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Homonyms

IRMNG homonym list - genus level - Initial letter = "G" (1088)

Please note, this is a provisional homonyms list from IRMNG on 2025-05-01, and is subject to change. It may include nomina nuda, rejected and otherwise non-current names, plus some published misspellings, in addition to homonyms that have been validly published. A small proportion of duplicate entries awaiting rationalisation may also be included.

Click on any genus name for additional details, as currently available.

Gaarderia
 Gaarderia Carbonell-Moore, 1994 accepted as Gaarderiella M.C. Carbonell-Moore, 2010 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Peridiniales (Order) > Podolampadaceae (Family)
 Gaarderia A. Kleijne, 1993 accepted as Syracosphaera Lohmann, 1902 · Chromista (Kingdom) > Haptophyta (Phylum) > Coccolithophyceae (Class) > Syracosphaerales (Order) > Syracosphaeraceae (Family)

Gabianus
 Gabianus Bruch, 1853 accepted as Larus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)
     Gabianus Bonaparte, 1853 accepted as Larus Linnaeus, 1758 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)

Gabiella
     Gabiella Prudhoe, 1989 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Turbellaria (awaiting allocation) (Order) > Turbellaria (awaiting allocation) (Family)
 Gabiella accepted as Gabbiella Mandahl-Barth, 1968 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Bithyniidae (Family)

Gabonella
     Gabonella Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Gabonella de Klasz, Marie & Meijer, 1960 † accepted as Gabonita Dieni, 1974 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Bolivinitidae (Family)

Gabonia
 Gabonia Bolivar, 1906 accepted as Gabonella Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
     Gabonia Jacoby, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Gabonia Fairmaire, 1894 accepted as Gabonisca Fairmaire, 1894 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Gabonia Montandon, 1894 accepted as Montandoneus Kirkaldy, 1904 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Plataspidae (Family)

Gabriella
     Gabriella Collins, A.J. Ross, Genzano & Manzian, 2006 † · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Tanidromitidae (Family)
 Gabriella † accepted as Garbiella Lazarenko & Datsenko, 1967 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Gabunia
     Gabunia Kriechbaumer, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
 Gabunia K. Schumann ex Stapf in Thiselton-Dyer, 1902 accepted as Tabernaemontana Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Gadopsis
 Gadopsis De Filippi, 1855 accepted as Grammonus Gill, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Ophidiiformes (Order) > Bythitidae (Family)
     Gadopsis Richardson, 1848 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Percichthyidae (Family)
     Gadopsis Agassiz, 1845 accepted as Gadopsis Agassiz, 1845 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Gadulus
 Gadulus Issel, 1876 accepted as Cadulus Philippi, 1844 · Animalia (Kingdom) > Mollusca (Phylum) > Scaphopoda (Class) > Gadilida (Order) > Gadilidae (Family)
 Gadulus Malm, 1877 accepted as Trisopterus Rafinesque, 1814 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Gadidae (Family)

Gadus
     Gadus Dejean, 1821 accepted as Omias Germar, 1817 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gadus Deshayes, 1861 accepted as Gadus Deshayes, 1861 · Animalia (Kingdom) > Mollusca (Phylum) > Scaphopoda (Class) > Gadilida (Order) > Gadilidae (Family)
 Gadus Rang, 1829 accepted as Gadus Rang, 1829 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gadus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Gadidae (Family)

Gaedea
     Gaedea Hering, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Zygaenidae (Family)
 Gaedea Romieux, 1943 accepted as Gaedeina Romieux, 1945 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)

Gaedioxenis
     Gaedioxenis Townsend, 1943 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Gaedioxenis Villeneuve, 1937 accepted as Gaedioxenis Townsend, 1943 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Gaertnera
     Gaertnera Lamarck, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Gaertnera A.J. Retzius, 1791 accepted as Sphenoclea J. Gaertner, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Sphenocleaceae (Family)
 Gaertnera Schreber, 1789 accepted as Hiptage J. Gaertner, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Malpighiaceae (Family)

Gaetice
 Gaetice Tesch, 1918 accepted as Gaetice Gistel, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Grapsidae (Family)
     Gaetice Gistel, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Varunidae (Family)

Gaetulia
     Gaetulia Stål, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Nogodinidae (Family)
 Gaetulia Simon, 1879 accepted as Solpuga Lichtenstein, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Solifugae (Order) > Solpugidae (Family)
     Gaetulia Kobelt, 1898 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gagea
 Gagea Raddi, 1819 accepted as Zygodon W.J. Hooker & T. Taylor, 1818 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Orthotrichales (Order) > Orthotrichaceae (Family)
     Gagea R.A. Salisbury, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)

Gagrella
     Gagrella Stoliczka, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Sclerosomatidae (Family)
     Gagrella Roewer, 1910 accepted as Hexomma Thorell, 1876 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Sclerosomatidae (Family)

Gagroxychilus
     Gagroxychilus Clauss, 1991 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)
     Gagroxychilus Riedel, 1966 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)

Gaia
     Gaia Wells, 2012 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)
     Gaia Krylov, 1975 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cupolida (Order) > Tinnidae (Family)

Gaillardia
     Gaillardia Fougeroux, 1786 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Gaillardia Matthew, 1932 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Soricomorpha (Order) > Talpidae (Family)
     Gaillardia Fischer-Piette, Blanc, Blanc & Salvat, 1993 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helixarionoidea (awaiting allocation) (Family)

Gaillardotella
     Gaillardotella Bory de Saint-Vincent ex Kuntze, 1898 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Rivulariaceae (Family)
 Gaillardotella Mougeot, 1898 accepted as Gloeotrichia J.G. Agardh ex Bornet & Flahault, 1886 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Gloeotrichiaceae (Family)

Gaillonia
 Gaillonia F. Rudolphi, 1831 accepted as Ceramium Roth, 1797 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Ceramiaceae (Family)
 Gaillonia A. Richard ex A.P. de Candolle, 1830 accepted as Plocama W. Aiton, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Gaimardia
     Gaimardia Gould, 1852 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Gaimardiidae (Family)
     Gaimardia Gaudichaud-Beaupré, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Restionaceae (Family)

Gainia
     Gainia R.L. Moe, 1985 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gigartinales (Order) > Gainiaceae (Family)
     Gainia Trouessart, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Nanorchestidae (Family)

Galachrysia
     Galachrysia Bonaparte, 1854 accepted as Galachrysia Bonaparte, 1854 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Galachrysia Gray, 1855 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Galanthis
 Galanthis Bate, 1856 accepted as Hyale Rathke, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Hyalidae (Family)
 Galanthis Gistel, 1848 accepted as Babylonia Schlüter, 1838 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Babyloniidae (Family)

Galataea
 Galataea Leach, 1823 accepted as Galatea Bruguière, 1797 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Donacidae (Family)
 Galataea Duméril, 1805 accepted as Galathea Fabricius, 1793 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Galatheidae (Family)

Galatea
 Galatea Leach, 1815 accepted as Galathea Fabricius, 1793 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Galatheidae (Family)
     Galatea Bruguière, 1797 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Donacidae (Family)
 Galatea Agassiz, 1846 accepted as Galatea Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Galatea R.A. Salisbury ex Kuntze, 1891 accepted as Eleutherine Herbert, 1843 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)
     Galatea Philippi, 1850 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Galatea Cassini ex Lessing, 1832 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Galathaea
     Galathaea Rathke, 1841 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Galathaea Bory, 1827 accepted as Galatea Bruguière, 1797 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Donacidae (Family)

Galathea
 Galathea Lamarck, 1805 accepted as Galatea Bruguière, 1797 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Donacidae (Family)
     Galathea Fabricius, 1793 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Galatheidae (Family)
     Galathea F. Liebmann, 1857 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)

Galax
 Galax Linnaeus, 1753 accepted as Nemophila Nuttall, 1822 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)
     Galax Sims, 1804 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Diapensiaceae (Family)

Galaxea
 Galaxea Milne Edwards, 1857 accepted as Galaxea Oken, 1815 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Euphylliidae (Family)
     Galaxea Oken, 1815 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Euphylliidae (Family)

Galaxia
     Galaxia Turner, 2020 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Axinellida (Order) > Hemiasterellidae (Family)
 Galaxia Thunberg, 1782 accepted as Moraea P. Miller, 1758 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)

Galaxias
 Galaxias Beck, 1837 accepted as Trigonephrus Pilsbry, 1905 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Dorcasiidae (Family)
     Galaxias Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osmeriformes (Order) > Galaxiidae (Family)

Galba
     Galba Schrank, 1803 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Lymnaeidae (Family)
 Galba Latreille, 1829 accepted as Galbites Fleutiaux, 1918 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Eucnemidae (Family)
 Galba Guérin, 1830 accepted as Galbites Fleutiaux, 1918 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Eucnemidae (Family)
     Galba Heyden, 1826 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Galba Johnson, 1992 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)
     Galba Johnston, 1827 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Insecta (awaiting allocation) (Order) > Insecta (awaiting allocation) (Family)

Galbula
     Galbula de Lacepède, 1799 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Piciformes (Order) > Galbulidae (Family)
     Galbula Scopoli, 1777 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Oriolidae (Family)
     Galbula Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Piciformes (Order) > Galbulidae (Family)
 Galbula Möhring, 1758 accepted as Galbula Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Piciformes (Order) > Galbulidae (Family)

Gale
 Gale Wagner in Schreber, 1841 accepted as Mustela Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Gale Duhamel du Monceau, 1755 accepted as Myrica Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fagales (Order) > Myricaceae (Family)

Galea
     Galea Meuschen, 1787 accepted as (unavailable name)· Animalia (Kingdom) > Echinodermata (Phylum) > (Class) > (Order) > (Family)
     Galea Mörch, 1852 accepted as Tonna Brünnich, 1771 (unavailable name)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Tonnidae (Family)
     Galea Meyen, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Caviidae (Family)
 Galea Kristan, 1957 † accepted as Galeanella Kristan, 1958 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Miliolida (Order) > Milioliporidae (Family)
     Galea Cuvier, 1817 † accepted as Echinocorys Leske, 1778 † (unavailable name)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Holasteroida (Order) > Echinocorythidae (Family)
     Galea Smith, 1817 † accepted as Echinocorys Leske, 1778 † (junior objective synonym)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Holasteroida (Order) > Echinocorythidae (Family)
     Galea D. Maier, 1959 † accepted as Chiropteridium H. Gocht, 1960 † (junior homonym)· Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gonyaulacales (Order) > Areoligeraceae (Family)

Galeana
     Galeana Köhler, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Galeana La Llave in La Llave & Lexarza, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Galearia
     Galearia Zollinger & Moritzi in Moritzi, 1846 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Pandaceae (Family)
 Galearia K.B. Presl, 1831 accepted as Galearia K.B. Presl, 1831 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Galearia Brullé in Lepeletier, 1846 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Galeaspis
     Galeaspis Liu, 1965 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Agnatha (awaiting allocation) (Class) > Agnatha (awaiting allocation) (Order) > Agnatha (awaiting allocation) (Family)
     Galeaspis Ivshin in Borukaev, 1955 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariida (awaiting allocation) (Family)

Galeata
     Galeata Böttger, 1877 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)
     Galeata J.C. Wendland, 1798 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)

Galeatella
     Galeatella (E. Wimmer) O. Degener & I. Degener, 1962 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Campanulaceae (Family)
     Galeatella Muir-Wood & Cooper, 1960 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Leioproductidae (Family)
 Galeatella Sapel'nikov & Rukavishnikova, 1975 † accepted as Galeatellina Sapel'nikov & Rukavishnikova, 1976 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Pentamerida (Order) > Virgianidae (Family)

Galemys
     Galemys Kaup, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Soricomorpha (Order) > Talpidae (Family)
     Galemys Pomel, 1848 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Soricomorpha (Order) > Soricidae (Family)

Galene
     Galene De Haan in Siebold, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Galenidae (Family)
     Galene R. D'Archino & G.C. Zuccarello in D'Archino, Nelson & Zuccarello, 2014 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Halymeniales (Order) > Halymeniaceae (Family)

Galenia
     Galenia Linnaeus, 1753 accepted as Aizoon Linnaeus, 1753 (junior subjective synonym)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)
     Galenia Mulsant & Verreaux, 1866 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Galeocephala
     Galeocephala Mathews, 1926 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Galeocephala Stimpson, 1857 accepted as · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Planariidae (Family)

Galeodes
     Galeodes Heckel, 1854 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Galeodes Röding, 1798 accepted as Melongena Schumacher, 1817 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Melongenidae (Family)
     Galeodes R. Levy & J.M.H. Shaw, 2002 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Galeodes Olivier, 1791 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Solifugae (Order) > Galeodidae (Family)

Galeodioptriger
     Galeodioptriger Lindner, 1933 accepted as Galeodioptriger Rozkošný, 1977 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
     Galeodioptriger Lindner, 1937 accepted as Galeodioptriger Rozkošný, 1977 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
 Galeodioptriger Rozkošný, 1977 accepted as Nemotelus Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)

Galeola
     Galeola Gray, 1858 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Olividae (Family)
     Galeola Quenstedt, 1874 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Holasteridae (Family)
     Galeola Loureiro, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Galeolaria
     Galeolaria Lamarck, 1818 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Sabellida (Order) > Serpulidae (Family)
 Galeolaria Vogt, 1854 accepted as Chelophyes Totton, 1932 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
 Galeolaria Lens & van Riemsdijk, 1908 accepted as Sulculeolaria Blainville, 1830 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
 Galeolaria Blainville, 1830 accepted as Sulculeolaria Blainville, 1830 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
 Galeolaria Huxley, 1859 accepted as Lensia Totton, 1932 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
 Galeolaria Moser, 1925 accepted as Lensia Totton, 1932 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)

Galeomma
     Galeomma Turton, 1825 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Galeommatidae (Family)
     Galeomma S. Rauschert, 1982 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Galeopsis
     Galeopsis Jullien, 1903 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Celleporidae (Family)
     Galeopsis Hinz-Schallreuter, 1993 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Bradoriida (Order) > Bradoriida (awaiting allocation) (Family)
     Galeopsis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
 Galeopsis Moench, 1794 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
 Galeopsis J. Hill, 1756 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
 Galeopsis Adanson, 1763 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Galeotherium
     Galeotherium Jaeger, 1835 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Canidae (Family)
 Galeotherium Wagner, 1840 † accepted as Ictitherium Wagner, 1848 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Hyaenidae (Family)

Galeottia
 Galeottia Ruprecht ex H.G. Galeotti, 1842 accepted as Zeugites P. Browne, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Galeottia A. Richard & H.G. Galeotti, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Galera
 Galera (E.M. Fries) P. Kummer, 1871 accepted as Galerina F.S. Earle, 1909 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Strophariaceae (Family)
 Galera Herre, 1927 accepted as Callogobius Bleeker, 1874 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)
 Galera Gray, 1842 accepted as Eira Smith, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Galera Blume, 1825 accepted as Epipogium Gmelin ex Borkhausen, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Galera Cate, 1973 accepted as Habuprionovolva Azuma, 1970 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Ovulidae (Family)

Galerella
 Galerella Earle, 1909 accepted as Conocybe Fayod, 1889 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Bolbitiaceae (Family)
     Galerella Gray, 1865 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Herpestidae (Family)

Galeria
 Galeria Dalla Torre, 1898 accepted as Galeria Dalla Torre, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Galeria accepted as Galearia Zollinger & Moritzi in Moritzi, 1846 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Pandaceae (Family)

Galericulus
     Galericulus Sowerby, 1839 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
     Galericulus Seeley, 1861 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Galerita
     Galerita Fischer, 1807 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Galerita Selys, 1842 accepted as Galerida Boie, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Alaudidae (Family)
     Galerita Fabricius, 1801 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Galerita Rafinesque, 1815 accepted as Galerita Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Galerita Gouan, 1770 accepted as Galerita Gouan, 1770 · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Galeropsis
     Galeropsis Velenovský, 1930 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Bolbitiaceae (Family)
 Galeropsis Hupé, 1860 † accepted as Coralliophila H. Adams & A. Adams, 1853 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Muricidae (Family)
     Galeropsis Kutassy, 1937 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Galeropsis Conrad, 1866 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Galeruca
     Galeruca Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Galeruca Fourcroy, 1785 accepted as Galeruca Geoffroy, 1762 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Galeruca Muller, 1764 accepted as Galeruca Geoffroy, 1762 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Galerucella
     Galerucella Crotch, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Galerucella Laboissière, 1922 & 1934 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Galerucida
 Galerucida Gemminger & Harold, 1876 accepted as Gallerucida Motschoulsky, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Galerucida Chapuis, 1875 accepted as Gallerucida Motschoulsky, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Galesus
 Galesus Curtis, 1831 accepted as Psilus Panzer, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Diapriidae (Family)
     Galesus Haliday in Curtis, 1829-30 accepted as Psilus Panzer, 1806 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Diapriidae (Family)

Galeus
 Galeus Walbaum, 1792 accepted as Squalus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Squalidae (Family)
 Galeus Valmont de Bomare, 1768 accepted as Prionace Cantor, 1849 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Carcharhinidae (Family)
 Galeus Garman, 1913 accepted as Prionace Cantor, 1849 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Carcharhinidae (Family)
 Galeus Leach, 1818 accepted as Mustelus Linck, 1790 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Triakidae (Family)
     Galeus Rafinesque, 1810 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Pentanchidae (Family)
 Galeus Cuvier, 1816 accepted as Galeorhinus de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Triakidae (Family)
 Galeus Schaeffer, 1760 accepted as Galeorhinus de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Triakidae (Family)

Galgulus
 Galgulus Wagler, 1827 accepted as Galgulus Wagler, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)
 Galgulus Kittlitz, 1832 accepted as Galgulus Kittlitz, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Turdidae (Family)
 Galgulus Latreille, 1802 accepted as Gelastocoris Kirkaldy, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Gelastocoridae (Family)
 Galgulus Brisson, 1760 accepted as Coracias Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Galictis
 Galictis Geoffroy, 1837 accepted as Galidictis Geoffroy, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Eupleridae (Family)
     Galictis Bell, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)

Galidictis
 Galidictis Agassiz, 1846 accepted as Galictis Bell, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
     Galidictis Geoffroy, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Eupleridae (Family)

Galinia
     Galinia Okuneva, 1968 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
     Galinia A.G. Vologdin, 1962 † (uncertain)· Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Trichostromataceae (Family)

Galkinia
     Galkinia Ghekker, 1948 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Galkinia Ross & Newman, 1995 accepted as Galkinius Perreault, 2014 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Sessilia (Order) > Pyrgomatidae (Family)

Gallardoia
 Gallardoia Sirenko, 2007 accepted as Gallardochiton Sirenko, 2020 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Ischnochitonida (Order) > Tonicellidae (Family)
     Gallardoia Bruch, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gallienia
     Gallienia Brongniart, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
     Gallienia Dubard & Dop, 1925 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
     Gallienia Oberthür, 1916 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gallina
     Gallina Gray, 1840 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gallina Linnaeus in Hasselquist, 1762 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gallina Hartmann, 1844 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gallina Vieillot, 1816 accepted as Grallina Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)

Gallinago
     Gallinago Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
     Gallinago Leach, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
 Gallinago Koch, 1816 accepted as Gallinago Koch, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)

Gallinula
     Gallinula Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)
 Gallinula Mörch, 1852 accepted as Labiostrombus Oostingh, 1925 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Strombidae (Family)
     Gallinula Pennant, 1769 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)

Gallinulopha
     Gallinulopha Bonaparte, 1854 accepted as Gallicrex Blyth, 1852 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)
 Gallinulopha G.R. Gray, 1855 accepted as Gallicrex Blyth, 1852 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)

Gallitellia
     Gallitellia Cuif, 1977 † · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Scleractinia (awaiting allocation) (Family)
 Gallitellia Loeblich & Tappan, 1986 † accepted as Neogallitellia Özdikmen, 2009 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Globigerinida (Order) > Guembelitriidae (Family)
 Gallitellia Venturi & Ferri, 2001 † accepted as Harpoceras Waagen, 1869 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Hildoceratidae (Family)

Galloisia
     Galloisia Hustache, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Galloisia Caudell & King, 1924 accepted as Galloisiana Caudell, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Grylloblattodea (Order) > Grylloblattidae (Family)

Gallowayina
 Gallowayina Thompson, 1964 † accepted as Gallowayinella Chen, 1937 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Boultoniidae (Family)
 Gallowayina Ellis, 1932 † accepted as Orbitoides d'Orbigny in Lyell, 1848 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Orbitoididae (Family)

Gallus
     Gallus Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)
 Gallus Möhring, 1758 accepted as Gallus Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)
     Gallus Rafinesque, 1815 accepted as Gallus Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gallus Scudder, 1882 accepted as Gallus Scudder, 1882 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gallus de Haan in Siebold, 1837 accepted as Calappa Weber, 1795 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Calappidae (Family)
 Gallus Lacepède, 1802 accepted as Alectis Rafinesque, 1815 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)

Galtonia
 Galtonia Decaisne, 1880 accepted as Ornithogalum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
     Galtonia Hunt & Lucas, 1994 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Ornithischia (Order) > Ornithischia (awaiting allocation) (Family)

Galvesia
 Galvesia C.H. Persoon, 1805 accepted as Pitavia Molina, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
 Galvesia J.F. Gmelin, 1792 accepted as Galvezia Dombey ex A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)

Galvezia
     Galvezia Dombey ex A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)
 Galvezia Ruiz & Pavon, 1794 accepted as Pitavia Molina, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)

Galziniella
 Galziniella E. Parmasto, 1968 accepted as Sistotrema E.M. Fries, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Cantharellales (Order) > Hydnaceae (Family)
     Galziniella Müller, 1991 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Hyssuridae (Family)

Gama
     Gama Navás, 1912 accepted as Pseudoformicaleo Weele, 1909 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Myrmeleontidae (Family)
     Gama Blanchard, 1850 accepted as Pseudoserica Guérin-Méneville, 1838 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gama La Llave, 1884 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gamba
 Gamba Schaufuss, 1872 accepted as Jubus Schaufuss, 1872 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gamba Liais, 1872 † accepted as Didelphis Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Didelphimorphia (Order) > Didelphidae (Family)

Gambelia
     Gambelia Nuttall, 1848 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)
     Gambelia Baird, 1859 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Crotaphytidae (Family)

Gambetta
 Gambetta Koch, 1816 accepted as Limosa Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
     Gambetta Kaup, 1829 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gamelia
     Gamelia Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)
     Gamelia Dejean, 1836 accepted as Gamelia Dejean, 1836 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > (Family)

Gammaraia
     Gammaraia Jordan, 1925 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Gammaraia Leigh-Sharpe, 1924 accepted as Raja Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Rajidae (Family)

Gamosepalum
 Gamosepalum Haussknecht, 1897 accepted as Alyssum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Gamosepalum Schlechter, 1920 accepted as Aulosepalum L.A. Garay, 1982 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gampsonyx
 Gampsonyx Jordan, 1847 † accepted as Gampsonyx Jordan, 1847 † · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Anaspidacea (Order) > Uronectidae (Family)
     Gampsonyx Vigors, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Accipitriformes (Order) > Accipitridae (Family)

Ganesa
     Ganesa Jeffreys, 1883 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Skeneidae (Family)
     Ganesa Peckham, 1885 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)

Ganga
     Ganga Vigors, 1825 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Ganga Layard, 1855 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gangamela
 Gangamela Walker, 1865 accepted as Gangamela Walker, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Gangamela Walker, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Ganglbaueria
     Ganglbaueria Semenov, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Oedemeridae (Family)
 Ganglbaueria Likovsky, 1984 accepted as Rhopaletes Cameron, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gangra
 Gangra Walker, 1862 accepted as Oxidercia Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Gangra Roberts & Ferraris, 1998 accepted as Gogangra Roberts, 2001 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Sisoridae (Family)

Gannania
     Gannania Fu, 1982 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Metathyrisinidae (Family)
 Gannania Fu, 1984 † accepted as Gannania Fu, 1982 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Metathyrisinidae (Family)

Ganonema
     Ganonema K.-C. Fan & Y.-C. Wang, 1974 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Liagoraceae (Family)
     Ganonema McLachlan, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Calamoceratidae (Family)

Ganxiella
     Ganxiella Liu & Gu in Gu Daoyuan & Liu Xiezhang, 1989 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneroida (awaiting allocation) (Family)
     Ganxiella Wei, 1988 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)

Ganymedes
     Ganymedes Leigh-Sharpe, 1915 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Hirudinoidea (awaiting allocation) (Order) > Hirudinoidea (awaiting allocation) (Family)
 Ganymedes R.A. Salisbury ex A.H. Haworth, 1819 accepted as Narcissus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
     Ganymedes Huxley, 1910 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Arthrogregarida (Order) > Ganymedidae (Family)
 Ganymedes Gistl, 1848 accepted as Ganymedes Gistl, 1848 · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Comatulida (Order) > Antedonidae (Family)

Gaphara
 Gaphara Walker, 1862 accepted as Condica Walker, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Gaphara Walker, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)

Garantiana
     Garantiana Mascke, 1907 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)
     Garantiana Hyatt in Eastman-Zittel, 1900 † accepted as Garantiana Hyatt in Eastman-Zittel, 1900 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Garciana
     Garciana Schallreuter, 1995 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda incertae sedis (Family)
     Garciana Loureiro, 1790 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Commelinales (Order) > Pontederiaceae (Family)

Gardena
     Gardena Dohrn, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)
 Gardena Adanson, 1763 accepted as Gardenia J. Ellis, 1761 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Gardenia
     Gardenia J. Ellis, 1761 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Gardenia J. Colden, 1756 accepted as Gardenia J. Colden, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Clusiaceae (Family)

Gardineria
     Gardineria Vaughan, 1907 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Gardineriidae (Family)
 Gardineria Kazantseva-Selentseva, 1981 † accepted as Gardinerpiscis Romano & Kogan, 2015 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cheirolepiformes (Order) > Karaunguriidae (Family)
 Gardineria Rathbun, 1911 accepted as Euryozius Miers, 1886 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pseudoziidae (Family)

Gardinia
     Gardinia Kirby, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Gardinia Desmarest in Chenu, 1858 accepted as Trimusculus F. C. Schmidt, 1818 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Eupulmonata incertae sedis (Order) > Trimusculidae (Family)

Gardnerella
     Gardnerella Chavan, 1951 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Lucinidae (Family)
     Gardnerella Greenwood & Pickett, 1980 · Bacteria (Kingdom) > Actinobacteria (Phylum) > Actinobacteria (Class) > Bifidobacteriales (Order) > Bifidobacteriaceae (Family)

Gargantua
     Gargantua Jullien, 1888 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Microporidae (Family)
     Gargantua Kirby, 1892 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)

Gargaphia
 Gargaphia Walker, 1862 accepted as Sarisa Fletcher, 1979 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Gargaphia Stål, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Tingidae (Family)

Gargilius
     Gargilius Fairmaire, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Gargilius Schmidt, 1906 accepted as Laemonema Günther in Johnson, 1862 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Moridae (Family)
 Gargilius Jensen in Koefoed, 1953 accepted as Laemonema Günther in Johnson, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Moridae (Family)

Gari
     Gari Cossmann, 1886 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Psammobiidae (Family)
     Gari Schumacher, 1817 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Psammobiidae (Family)

Garialis
 Garialis Lydekker, 1896 † accepted as Gavialis Oppel, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Crocodylia (Order) > Gavialidae (Family)
 Garialis Lydekker, 1888 † accepted as Gavialis Oppel, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Crocodylia (Order) > Gavialidae (Family)

Garnhamphysalis
     Garnhamphysalis Hoogstraal & Wassef, undated (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Acari (awaiting allocation) (Order) > Acari (awaiting allocation) (Family)
 Garnhamphysalis Hoogstraal & Wassef, 1981 accepted as Haemaphysalis Koch, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Ixodida (Order) > Ixodidae (Family)

Garnia
     Garnia Casey, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Garnia Lainson, Landau & Shaw, 1971 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Haemosporida (Order) > Garniidae (Family)

Garnieria
     Garnieria Bourguignat, 1877 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)
     Garnieria A.T. Brongniart & Gris, 1871 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)
 Garnieria Sayn, 1901 † accepted as Garniericeras Spath, 1924 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)

Garnotia
     Garnotia A.T. Brongniart in Duperrey, 1832 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Garnotia Gray, 1857 accepted as Crepidula Lamarck, 1799 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Calyptraeidae (Family)

Garovaglia
     Garovaglia Endlicher, 1836 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Isobryales (Order) > Pterobryaceae (Family)
 Garovaglia Trevisan, 1853 accepted as Polychidium (Acharius) S.F. Gray, 1821 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Peltigerales (Order) > Massalongiaceae (Family)

Garra
     Garra Hamilton, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
     Garra Gray, 1842 accepted as Garra Gray, 1842 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Garrettia
     Garrettia Paetel, 1873 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Assimineidae (Family)
     Garrettia Fletcher, 1937 accepted as Rokohia Z. H. Feng & U. B. Deshmukh, 2024 (junior homonym)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
     Garrettia Cossmann, 1900 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Charopidae (Family)

Garrulina
     Garrulina Gray, 1855 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Garrulina Bonaparte, 1854 accepted as Garrulina Bonaparte, 1854 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Garrulus
     Garrulus Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)
 Garrulus Dumont, 1822 accepted as Bombycilla Vieillot, 1807 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Bombycillidae (Family)

Garthopilumnus
     Garthopilumnus Števčić, 2011 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Eriphiidae (Family)
 Garthopilumnus Števčić, 2005 accepted as Garthopilumnus Števčić, 2011 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Eriphiidae (Family)

Garuda
     Garuda Scherer, 1969 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Garuda Yakovlev, 2004 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Cossidae (Family)

Gasconadia
     Gasconadia Ulrich & Bridge, 1930 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda incertae sedis (Order) > Sinuopeidae (Family)
     Gasconadia Weller & St Clair, 1928 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Ptychocaulidae (Family)

Gasmara
     Gasmara Walker, 1862 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Gasmara Walker, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)

Gasparrinia
     Gasparrinia A. Bertoloni, 1839 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Gasparrinia Tornabene, 1848-1849(?) accepted as Caloplaca Th. Fries, 1860 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Teloschistales (Order) > Teloschistaceae (Family)

Gasteracanthus
 Gasteracanthus Pallas, 1814 accepted as Gasterosteus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gasterosteiformes (Order) > Gasterosteidae (Family)
     Gasteracanthus Agassiz, 1833 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Gasteripus
     Gasteripus Rafinesque, 1814 (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Gasteripus Rafinesque, 1819 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Gasteripus Rafinesque, 1815 accepted as Gasteripus Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Nematomorpha (Phylum) > Nematomorpha (awaiting allocation) (Class) > Nematomorpha (awaiting allocation) (Order) > Nematomorpha (awaiting allocation) (Family)

Gasteropelecus
     Gasteropelecus Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Gasteropelecidae (Family)
 Gasteropelecus Gronovius, 1763 accepted as Gasteropelecus Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Gasteropelecidae (Family)

Gasterotrichula
     Gasterotrichula Bargoni, 1896 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Platyhelminthes incertae sedis (Class) > Platyhelminthes incertae sedis (Order) > Platyhelminthes incertae sedis (Family)
     Gasterotrichula Graff in Bronn, 1912 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Turbellaria (awaiting allocation) (Order) > Turbellaria (awaiting allocation) (Family)

Gastonia
     Gastonia Kirkland, 1998 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Ornithischia (Order) > Ankylosauridae (Family)
     Gastonia Commerson ex Lamarck, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)

Gastonialoe
     Gastonialoe C.C. Walker, 2017 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asphodelaceae (Family)
 Gastonialoe J.M.H. Shaw, 2017 accepted as Gastonialoe C.C. Walker, 2017 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asphodelaceae (Family)

Gastracanthus
 Gastracanthus Agassiz, 1846 † accepted as Gastracanthus Agassiz, 1846 † · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Gastracanthus Westwood, 1835 accepted as Gasteracantha Sundevall, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Araneidae (Family)
     Gastracanthus Westwood, 1833 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)

Gastraea
     Gastraea Haeckel, 1872 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Gastraea Sauvage, 1874 accepted as Spinachia Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gasterosteiformes (Order) > Gasterosteidae (Family)

Gastranthus
 Gastranthus F.J.H. von Mueller, 1868 accepted as Parsonsia R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)
 Gastranthus Moritz ex Bentham & J.D. Hooker, 1876 accepted as Stenostephanus C.G.D. Nees in C.F.P. Martius, 1847 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Gastraspis
     Gastraspis Lin, 1988 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Eucoilidae (Family)
 Gastraspis Flach, 1907 accepted as Brachyderes Schönherr, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gastridium
 Gastridium Lyngbye, 1819 accepted as Chylocladia Greville in W.J. Hooker, 1833 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Rhodymeniales (Order) > Champiaceae (Family)
 Gastridium Modeer, 1793 accepted as Conus Linnaeus, 1758 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Conidae (Family)
     Gastridium Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Gastridium Sowerby in Darwin, 1846 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Pseudolividae (Family)
     Gastridium Sowerby, 1842 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gastrimargus
 Gastrimargus Schwarz, 1902 accepted as Margogastrius Schwarz, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
 Gastrimargus Spix, 1824 accepted as Lagothrix Geoffroy, 1812 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Atelidae (Family)
     Gastrimargus de Saussure, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Gastrina
     Gastrina Guenée, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Gastrina Ashmead, 1889 accepted as Gastrina Ashmead, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Tropiduchidae (Family)

Gastris
 Gastris Lühe in Herdman, 1906 accepted as Lintonium Stunkard & Nigrelli, 1930 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Fellodistomidae (Family)
     Gastris Billberg, 1820 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gastrocalyx
     Gastrocalyx G. Gardner, 1838 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)
 Gastrocalyx B.K. Schischkin, 1919 accepted as Silene Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)

Gastrochaeta
 Gastrochaeta Holland, 1894 accepted as Meza Hemming, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hesperiidae (Family)
     Gastrochaeta Grimm, 1877 (uncertain)· Animalia (Kingdom) > Nematoda (Phylum) > Nematoda (awaiting allocation) (Class) > Nematoda (awaiting allocation) (Order) > Nematoda (awaiting allocation) (Family)
     Gastrochaeta Dujardin, 1841 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Gastrochilus
     Gastrochilus D. Don, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gastrochilus Wallich, 1829 accepted as Boesenbergia O. Kuntze, 1891 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)

Gastrochoena
 Gastrochoena Spengler, 1783 accepted as Gastrochaena Spengler, 1783 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Gastrochaenidae (Family)
 Gastrochoena Lamarck, 1818 accepted as Gastrochaena Spengler, 1783 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Gastrochaenidae (Family)
     Gastrochoena Brown, 1827 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gastrocotyle
     Gastrocotyle Bunge, 1849 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)
     Gastrocotyle Beneden & Hesse, 1863 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Mazocraeidea (Order) > Gastrocotylidae (Family)

Gastrocystis
     Gastrocystis Chatton, 1910 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Eimeriida (Order) > Eimeriidae (Family)
 Gastrocystis Brumpt, 1913 accepted as Besnoitia Henry, 1913 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Eimeriida (Order) > Sarcocystidae (Family)

Gastrodes
     Gastrodes Westwood, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lygaeidae (Family)
     Gastrodes Korotneff, 1888 · Animalia (Kingdom) > Ctenophora (Phylum) > Tentaculata (Class) > Cydippida (Order) > Mertensiidae (Family)
 Gastrodes Hesse, 1866 accepted as Hypogastrion Wilson, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Notodelphyidae (Family)

Gastrodon
 Gastrodon Agassiz, 1846 accepted as Serrasalmus Lacepède, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Serrasalmidae (Family)
     Gastrodon Lowe, 1852 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gastrodonta
 Gastrodonta Weise, 1923 accepted as Hysmatodon Reid, 2002 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Gastrodonta Albers, 1850 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)

Gastrodus
     Gastrodus Dejean, 1821 accepted as Liophloeus Germar, 1817 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gastrodus Owen, 1867 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Gastrodus MacLeay in King, 1826 accepted as Stenocorynus Schönherr, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gastrogomphus
     Gastrogomphus Needham, 1948 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)
     Gastrogomphus Needham, 1944 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)

Gastroidea
     Gastroidea Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Gastroidea Gemminger & Harold, 1874 accepted as Gastrophysa Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Gastrolepta
     Gastrolepta Rondani, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Gastrolepta Lioy, 1864 accepted as Delia Robineau-Desvoidy, 1830 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Anthomyiidae (Family)

Gastrolobium
     Gastrolobium R. Brown in W.T. Aiton, 1811 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Gastrolobium Casey, 1905 accepted as Homaeotarsus Hochhuth, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gastronemus
 Gastronemus Cocco, 1846 accepted as Mora Risso, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Moridae (Family)
 Gastronemus Agassiz, 1846 † accepted as Gastronemus Agassiz, 1846 † · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Gastrophysa
     Gastrophysa Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Gastrophysa Gebler, 1842 accepted as Gastrophysa Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Gastrophysema
 Gastrophysema Haeckel, 1877 accepted as Halyphysema Bowerbank, 1862 · Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Astrorhizida (Order) > Halyphysemidae (Family)
     Gastrophysema Haeckel, 1875 accepted as Halyphysema Bowerbank, 1862 (nomen nudum)· Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Astrorhizida (Order) > Halyphysemidae (Family)

Gastropius
     Gastropius Rafinesque, 1815 accepted as Gastropius Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)
 Gastropius Lefèvre, 1885 accepted as Adorea Lefèvre, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Gastroptera
 Gastroptera Agassiz, 1846 accepted as Gastroptera Agassiz, 1846 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gastroptera Oken, 1815 accepted as Gastropteron Kosse, 1813 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cephalaspidea (Order) > Gastropteridae (Family)

Gastrotheca
     Gastrotheca Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Hemiphractidae (Family)
     Gastrotheca Guérin-Méneville in Lefebvre, 1849 accepted as Physaraia Shenefelt, 1978 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)

Gastrus
     Gastrus Gray, 1842 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Gastrus Meigen, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Oestridae (Family)

Gasworthia
 Gasworthia Gates, 1955 accepted as Gasworthia Gates, 1955 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
 Gasworthia Gates & G.D. Rowley, 1982 accepted as Gasworthia Gates & G.D. Rowley, 1982 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)

Gatesia
     Gatesia Jamieson, 1962 · Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Haplotaxida (Order) > Ocnerodrilidae (Family)
 Gatesia A. Bertoloni, 1848 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Gatesia A. Gray, 1878 accepted as Yeatesia Small, 1896 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Gathynia
     Gathynia Walker, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Uraniidae (Family)
     Gathynia Walker in Tennent, 1861 accepted as Gathynia Walker, 1862 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Uraniidae (Family)

Gattya
     Gattya Harvey, 1855 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Callithamniaceae (Family)
     Gattya Allman, 1885 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Halopterididae (Family)

Gatunia
 Gatunia Hebard, 1927 accepted as Gatunella Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
     Gatunia Rathbun, 1918 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Gaudichaudia
     Gaudichaudia Kunth in Humboldt, Bonpland & Kunth, 1821 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Malpighiaceae (Family)
     Gaudichaudia Rathbun, 1930 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Xanthidae (Family)

Gaudinia
     Gaudinia Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Gaudinia J. Gay, 1829 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)

Gaudium
     Gaudium Peterson & Atyeo, 1972 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Alloptidae (Family)
     Gaudium P.G. Wilson, 2023 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)

Gaudrya
     Gaudrya Fritsch, 1885 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Temnospondyli (Order) > Cochleosauridae (Family)
     Gaudrya Grand'Eury, 1890 † (uncertain)· Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)

Gaudryanella
     Gaudryanella Canu, 1907 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Cheilostomatida (awaiting allocation) (Family)
     Gaudryanella Canu, 1900 † accepted as Gaudryanella Canu, 1907 (nomen nudum)· Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Cheilostomatida (awaiting allocation) (Family)

Gauropsis
 Gauropsis (J. Torrey & Frémont) Cockerell, 1900 accepted as Oenothera Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Onagraceae (Family)
 Gauropsis K.B. Presl, 1851 accepted as Oenothera Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Onagraceae (Family)

Gaurotes
 Gaurotes Lacordaire, 1869 accepted as Pseudogaurotina Plavil'shchikov, 1958 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Gaurotes Leconte, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Gausapia
 Gausapia E.M. Fries, 1825 accepted as Septobasidium Patouillard, 1892 · Fungi (Kingdom) > Basidiomycota (Phylum) > Pucciniomycetes (Class) > Septobasidiales (Order) > Septobasidiaceae (Family)
     Gausapia Hecq, 1976 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gaussia
 Gaussia W.A. Chachlof, 1934 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lycopodiales (Order) > Lycopodiales (awaiting allocation) (Family)
 Gaussia M.F. Neuburg, 1934 † accepted as Paravojnovskya A.B. Doweld, 2004 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Vojnovskyales (Order) > Vojnovskyaceae (Family)
     Gaussia Wolfenden, 1905 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Metridinidae (Family)
     Gaussia H. Wendland, 1865 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Gauzania
     Gauzania Walker, 1856 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Gauzania Walker, 1865 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gavia
     Gavia Forster, 1788 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gaviiformes (Order) > Gaviidae (Family)
 Gavia Möhring, 1758 accepted as Gavia Forster, 1788 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gaviiformes (Order) > Gaviidae (Family)
 Gavia Gloger, 1842 accepted as Gavia Gloger, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Charadriidae (Family)
 Gavia Boie, 1822 accepted as Gavia Boie, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)
 Gavia Oken, 1816 accepted as Gavia Oken, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)

Gavial
 Gavial Oken, 1817 † accepted as Gavialis Oppel, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Crocodylia (Order) > Gavialidae (Family)
     Gavial Cuvier, 1807 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Gavina
     Gavina Bonaparte, 1854, nom. nud. accepted as Larus Linnaeus, 1758 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)
 Gavina Bonaparte, 1854 accepted as Larus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)

Gaviota
     Gaviota Barnard, 1958 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Isaeidae (Family)
     Gaviota Miller & Sibley, 1941 † · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)

Gaya
     Gaya Kunth in Humboldt, Bonpland & Kunth, 1822 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Gaya K.P.J. Sprengel, 1824 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Gaya Gaudin, 1826 accepted as Pachypleurum Ledebour, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)

Gayella
 Gayella Rosenvinge, 1893 accepted as Rosenvingiella P.C. Silva, 1957 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Prasiolales (Order) > Prasiolaceae (Family)
     Gayella Spinola in Gay, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
     Gayella Pierre, 1890 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)
 Gayella Hustache, 1938 accepted as Ethelda Casey, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gaza
 Gaza Teran & Berlandier, 1832 accepted as Ehretia P. Browne, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)
     Gaza Watson, 1879 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Margaritidae (Family)
 Gaza accepted as Gazza Rüppell, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Leiognathidae (Family)

Gazella
 Gazella Reed, 1894 accepted as Gayella Spinola in Gay, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
     Gazella de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
 Gazella Pallas, 1769 accepted as Gazella de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
     Gazella Rafinesque, 1815 accepted as Gazella de Blainville, 1816 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
 Gazella Lichtenstein, 1814 accepted as Gazella de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)

Gazera
     Gazera Herrich-Schäffer, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Castniidae (Family)
 Gazera Houlbert, 1918 accepted as Zegara Oiticica Filho, 1954 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Castniidae (Family)

Gazimuria
     Gazimuria Popov, 1971 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Gazimuria Spasskiy, 1960 † · Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Rugosa (awaiting allocation) (Family)

Gazza
     Gazza Rüppell, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Leiognathidae (Family)
     Gazza Distant, 1905 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Gea
     Gea Koch, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Araneidae (Family)
 Gea Berendt, 1845 † accepted as Gea Koch, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Araneidae (Family)
 Gea Menge in Berendt, 1854 † accepted as Gea Koch, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Araneidae (Family)

Geanthus
 Geanthus Reinwardt, 1825 accepted as Etlingera Giseke, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)
 Geanthus T. Valeton, 1914 accepted as Etlingera Giseke, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)
     Geanthus Rafinesque, 1814 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)
 Geanthus R.A. Philippi, 1884 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)

Geaya
     Geaya Villiers, 1945 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Geaya Costantin & H. Poisson, 1908 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
     Geaya Roewer, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Sclerosomatidae (Family)
 Geaya Daday, 1905 accepted as Geayia Thor, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Krendowskiidae (Family)

Gebiopsis
 Gebiopsis A. Milne-Edwards, 1868 accepted as Upogebia Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Upogebiidae (Family)
 Gebiopsis auctorum accepted as Upogebia Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Upogebiidae (Family)

Gebios
 Gebios Bosc, 1813 accepted as Upogebia Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Upogebiidae (Family)
 Gebios Risso, 1822 accepted as Callianassa Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Callianassidae (Family)

Geblera
 Geblera F.E.L. Fischer & C.A. Meyer, 1835 accepted as Flueggea Willdenow, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)
 Geblera M. Kitagawa, 1937 accepted as Crepidiastrum Nakai, 1920 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gecarcinus
     Gecarcinus Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Gecarcinidae (Family)
 Gecarcinus de Haan, 1835 accepted as Gecarcoidea H. Milne Edwards, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Gecarcinidae (Family)

Gedrosia
     Gedrosia Stål, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Eurybrachidae (Family)
     Gedrosia Bogatchev, 1961 accepted as Pseudopodhomala Schuster, 1938 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gegenes
     Gegenes Günther, 1876 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Gegenes Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hesperiidae (Family)

Geigeria
     Geigeria Griesselich, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Geigeria Neveu-Lemaire, 1912 accepted as Gaigeria Railliet & Henry, 1910 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Ancylostomatidae (Family)

Geina
     Geina Tutt, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pterophoridae (Family)
 Geina Jacobson, 1925 accepted as Geinella Strand, 1935 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Geinitzella
     Geinitzella Waagen & Wentzel, 1886 † · Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Trepostomatida (Order) > Batostomellidae (Family)
 Geinitzella Spandel, 1898 † accepted as Lunucammina Spandel, 1898 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Geinitzinidae (Family)

Geinitzia
     Geinitzia Endlicher, 1847 † accepted as Sedites H.B. Geinitz, 1842 † (junior objective synonym)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Cupressales (Order) > Geinitziaceae (Family)
     Geinitzia Hall & Clarke, 1892 † (uncertain)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)
     Geinitzia Handlirsch, 1906 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Gryllacrididae (Family)
     Geinitzia Gemmellaro, 1892 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Geinitzia Dietz, 1910 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Geinitzia Ozawa, 1927 † accepted as Geinitzia Ozawa, 1927 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Textulariida (Order) > Nodosinellidae (Family)
     Geinitzia Clarke, 1889, nom. nud. † accepted as Geinitzia Clarke, 1889, nom. nud. † (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)
     Geinitzia Clarke, 1889, nom. nud. [2] † accepted as Geinitzia Clarke, 1889, nom. nud. [2] † (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)
     Geinitzia Hall, 1889 † accepted as Conotreta Walcott, 1890 † (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Acrotretida (Order) > Acrotretidae (Family)

Geiseleria
 Geiseleria Klotzsch, 1841 accepted as Croton Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Geiseleria Klotzsch, 1843 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Geisleria
 Geisleria Géry, 1971 accepted as Elachocharax Myers, 1927 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Crenuchidae (Family)
     Geisleria Nitschke in Rabenhorst, 1861 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Strigulales (Order) > Strigulaceae (Family)

Geitonomyia
     Geitonomyia Kertész, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
     Geitonomyia Leicester, 1908 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)

Geitonomys
     Geitonomys Shevyreva, 1983 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Chapattimyidae (Family)
     Geitonomys Shevyreva, 1984 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Chapattimyidae (Family)

Gela
     Gela Loureiro, 1790 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
     Gela Zimmerman, 1958 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gelasinus
 Gelasinus Hoeven, 1827 accepted as Uca Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Ocypodidae (Family)
 Gelasinus Temminck, 1837 accepted as Nyctimene Borkhausen, 1797 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Pteropodidae (Family)
     Gelasinus Yeh & Yang, 2006 † · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Spumellaria (Order) > Orbiculiformidae (Family)

Gelastes
     Gelastes Bonaparte, 1853 accepted as Gelastes Bonaparte, 1853 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gelastes Mäklin, 1867 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gelastes Bruch, 1853 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gelatinaria
 Gelatinaria Flörke ex Wallroth, 1831 accepted as Nostoc Vaucher ex Bornet & Flahault, 1886 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Nostocaceae (Family)
     Gelatinaria Rafinesque, 1815 · Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > (Class) > (Order) > (Family)

Geleia
     Geleia Kahl, 1933 accepted as Geleia Foissner, 1998 (nomen nudum)· Chromista (Kingdom) > Ciliophora (Phylum) > Karyorelictea (Class) > Karyorelictida (Order) > Geleiidae (Family)
     Geleia Foissner, 1998 · Chromista (Kingdom) > Ciliophora (Phylum) > Karyorelictea (Class) > Karyorelictida (Order) > Geleiidae (Family)

Gelochelidon
     Gelochelidon Brehm, 1831 accepted as Gelochelidon Brehm, 1831 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Sternidae (Family)
     Gelochelidon Brehm, 1830 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Sternidae (Family)

Geloina
     Geloina Gray, 1842 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Cyrenidae (Family)
     Geloina Gray, 1840 † accepted as Geloina Gray, 1842 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Cyrenidae (Family)

Gelonia
 Gelonia Meek, 1876 † accepted as Geloina Gray, 1842 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Cyrenidae (Family)
 Gelonia Meyrick, 1885 accepted as Gellonia Meyrick, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Gelonium
     Gelonium J. Gaertner, 1791 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)
 Gelonium Roxburgh ex Willdenow, 1806 accepted as Suregada Roxburgh ex Rottler, 1803 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Gematis
     Gematis Dejean, 1821 accepted as Geniates Kirby, 1819 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gematis Sturm, 1826 accepted as Gematis Dejean, 1821 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gemella
     Gemella Berger, 1960 (Approved Lists, 1980) · Bacteria (Kingdom) > Firmicutes (Phylum) > Bacilli (Class) > Bacillales (Order) > Bacillales incertae sedis (Family)
     Gemella Adams, 1858 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gemella J. Hill, 1761 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gemella Loureiro, 1790 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)

Gemellaria
     Gemellaria Lamouroux, 1827 (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Gemellaria Haeckel, 1879 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Gemellaria Allman, 1872 accepted as Zanclea Gegenbaur, 1856 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Zancleidae (Family)
 Gemellaria C. Pinel ex Lemaire, 1855 accepted as Gemellaria C. Pinel ex Lemaire, 1855 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Bromeliaceae (Family)
 Gemellaria Canu & Bassler, 1920 † accepted as Eucratea Lamouroux, 1812 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Pasytheidae (Family)

Gemelliporidra
     Gemelliporidra Canu & Bassler, 1927 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Hippaliosinidae (Family)
     Gemelliporidra Canu & Bassler, 1925 † accepted as Gemelliporidra Canu & Bassler, 1927 (nomen nudum)· Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Hippaliosinidae (Family)

Gemellitheca
     Gemellitheca R.H. Wagner, C.R. Hill & A.A. El-Khayal, 1985 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Marattiales (Order) > Asterothecaceae (Family)
     Gemellitheca Winston & Jackson, 2021 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Bitectiporidae (Family)

Geminaria
     Geminaria Coquillett, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)
 Geminaria C.S. Rafinesque, 1824 accepted as Phyllanthus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)

Geminella
 Geminella J. Schröter, 1870 accepted as Schroeteria G. Winter, 1881 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Geminella Szczechura, 1994 † · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Catenicellidae (Family)
     Geminella Billard, 1925 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Sertulariidae (Family)
     Geminella Turpin, 1828 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Chlorellales (Order) > Chlorellaceae (Family)

Geminites
     Geminites Baloge & Cariou, 1997 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonitida (awaiting allocation) (Family)
     Geminites Baloge & Cariou, 2001 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonitida (awaiting allocation) (Family)

Geminoropa
     Geminoropa Iredale, 1933 accepted as Geminoropa Kershaw, 1955 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Charopidae (Family)
     Geminoropa Kershaw, 1955 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Charopidae (Family)

Gemma
     Gemma Deshayes, 1853 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)
 Gemma V.A. Luchinina in I.T. Zhuravleva et al., 1982 † accepted as Gemma V.A. Luchinina in I.T. Zhuravleva et al., 1982 † · Plantae (Kingdom) > Acritarcha (Phylum) > (Class) > (Order) > (Family)
     Gemma Wagner, 1907 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cycloneritimorpha (Order) > Helicinidae (Family)
     Gemma Hazay, 1884 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)

Gemmaria
 Gemmaria McCrady, 1859, accepted as Zanclea Gegenbaur, 1856 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Zancleidae (Family)
 Gemmaria McCrady, 1857 accepted as Palythoa Lamouroux, 1816 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Zoantharia (Order) > Zoanthidae (Family)
 Gemmaria Duchassaing & Michelotti, 1860 accepted as Haplotella Stechow, 1919 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Zoantharia (Order) > Sphenopidae (Family)
     Gemmaria R.A. Salisbury, 1866 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)

Gemmatricolpites
     Gemmatricolpites R.L. Pierce, 1961 † · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Gemmatricolpites P.M.J. Van Hoeken-Klinkenberg, 1964 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Gemmellaria
     Gemmellaria Munier-Chalmas, 1873 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gemmellaria Fabiani & Ruiz, 1933 † accepted as Sicelia † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Strophomenatida (Order) > Meekellidae (Family)

Gemmellaroceras
     Gemmellaroceras Toumansky, 1937 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gemmellaroceras Hyatt in Eastman-Zittel, 1900 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)

Gemmellaroia
     Gemmellaroia Lyssenko in Lyssenko & Aliev, 1990 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Heterostrophia (awaiting allocation) (Family)
     Gemmellaroia Cossmann, 1898 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Gemmellaroiidae (Family)

Gemmula
     Gemmula Weinkauff, 1875 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Turridae (Family)
     Gemmula Seguenza, 1876 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gemmulina
     Gemmulina d'Orbigny in Cuvier, 1838 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Gemmulina E. Descals & L. Marvanová in E. Descals et al., 1999 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Gena
     Gena Gray, 1840 accepted as Gena Gray, 1842 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)
 Gena Gray, 1842 accepted as Stomatella Lamarck, 1816 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)

Genarches
     Genarches Förster, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Genarches Looss, 1902 accepted as Progonus Looss, 1899 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Derogenidae (Family)

Genea
     Genea Vittadini, 1831 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)
     Genea Rondani, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Genea (Dumortier) Dumortier, 1868 accepted as Bromus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Genea Bellardi, 1873 † accepted as Andonia Harris & Burrows, 1891 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Turridae (Family)

Geneion
 Geneion Bibron in Duméril, 1855 accepted as Lagocephalus Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Tetraodontidae (Family)
     Geneion Troschel, 1856 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Genestia
     Genestia Stål, 1858 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Genestia Théry, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Genestiella
 Genestiella Giachino, 1992 accepted as Genestiellina Giachino, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)
     Genestiella Fennah, 1969 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Genetta
     Genetta G. Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Viverridae (Family)
 Genetta Oken, 1816 accepted as Genetta G. Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Viverridae (Family)

Genetyllis
 Genetyllis A.P. de Candolle, 1828 accepted as Darwinia Rudge, 1815 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
 Genetyllis Malmgren, 1865 accepted as Nereiphylla Blainville, 1828 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Phyllodocidae (Family)

Geniates
     Geniates Heine & Reichenow, 1890 accepted as Chotorea Bonaparte, 1854 (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Piciformes (Order) > Ramphastidae (Family)
     Geniates Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Genicularia
     Genicularia Quenstedt, 1858 † · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Sabellida (Order) > Serpulidae (Family)
     Genicularia Rifai & R.C. Cooke, 1966 · Fungi (Kingdom) > Ascomycota (Phylum) > Orbiliomycetes (Class) > Orbiliales (Order) > Orbiliaceae (Family)
 Genicularia De Bary, 1858 accepted as Genicularina E.A. Molinari-Novoa & M.D. Guiry, 2021 · Plantae (Kingdom) > Charophyta (Phylum) > Zygnematophyceae (Class) > Desmidiales (Order) > Gonatozygaceae (Family)
     Genicularia H.F.A. Roussel, 1806 (uncertain)· Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Genicularia Regenhardt, 1961 † (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)

Geniculifera
     Geniculifera Rifai, 1975 · Fungi (Kingdom) > Ascomycota (Phylum) > Orbiliomycetes (Class) > Orbiliales (Order) > Orbiliaceae (Family)
     Geniculifera Muir-Wood & Cooper, 1960 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Productellidae (Family)

Genioclymenia
 Genioclymenia Gillet, 1924 [2] † accepted as Genuclymenia Wedekind, 1908 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Clymeniida (Order) > Cymaclymeniidae (Family)
 Genioclymenia Gillet, 1924 † accepted as Gonioclymenia Hyatt, 1884 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Clymeniida (Order) > Gonioclymeniidae (Family)

Genista
     Genista Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Genista Duhamel du Monceau, 1755 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Genista Bigot, 1854 accepted as Lasioptera Meigen, 1818 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)

Genistella
 Genistella L. Léger & M. Gauthier, 1932 accepted as Legeriomyces Z. Pouzar, 1972 · Fungi (Kingdom) > Zygomycota (Phylum) > Kickxellomycetes (Class) > Harpellales (Order) > Legeriomycetaceae (Family)
     Genistella Moench, 1794 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Genistella Ortega, 1773 accepted as Genista Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Gennadas
     Gennadas Spence Bate, 1881 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Benthesicymidae (Family)
 Gennadas Heine & Reichenow, 1890 accepted as Gennadas Heine & Reichenow, 1890 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gennadius
     Gennadius Heinrich, 1956 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Gennadius Jordan & Seale, 1907 accepted as Centrogenys Richardson, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Centrogenyidae (Family)

Genoneura
     Genoneura Dlabola, 1994 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Genoneura Matthew, 1889 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)

Gentilia
 Gentilia L. Beille, 1907 accepted as Bridelia Willdenow, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)
     Gentilia Lambert, 1918 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Cassiduloida (Order) > Cassiduloida incertae sedis (Family)

Gentingia
     Gentingia Robinson, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)
     Gentingia J.T. Johansson & K.M. Wong, 1988 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Genuchinus
     Genuchinus Westwood, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Genuchinus Kirby, 1825 accepted as Genuchus Kirby, 1825 (misspelling - incorrect subsequent spelling)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Geobatus
     Geobatus Dejean, 1833 accepted as Geobatus Boisduval, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Geobatus Boisduval, 1835 accepted as Maechidius Macleay, 1819 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Geobdella
     Geobdella de Blainville, 1827 accepted as Trocheta Dutrochet, 1817 (junior subjective synonym)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Arhynchobdellida (Order) > Erpobdellidae (Family)
     Geobdella Whitman, 1886 accepted as Chtonobdella Grube, 1866 (junior subjective synonym)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Arhynchobdellida (Order) > Haemadipsidae (Family)

Geobia
 Geobia Montrouzier, 1858 accepted as Adrisa Amyot & Serville, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cydnidae (Family)
     Geobia Diesing, 1862 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Geoplanidae (Family)
 Geobia Étallon, 1860 accepted as Geodia Lamarck, 1815 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Astrophorida (Order) > Geodiidae (Family)

Geobius
 Geobius Heer, 1839 accepted as Geodromicus Redtenbacher, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Geobius Dejean, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Geobius Brullé, 1832 accepted as Hybalus Dejean, 1833 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Geoborus
     Geoborus Blanchard in d'Orbigny, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Geoborus Dejean, 1834 accepted as Geoborus Blanchard in d'Orbigny, 1842 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Geoborus Lacordaire, 1859 accepted as Geoborus Blanchard in d'Orbigny, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Geocarpus
     Geocarpus F. Kinkelin, 1884 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliopsida (awaiting allocation) (Order) > (Family)
 Geocarpus K.I. Goebel, 1915 accepted as · Plantae (Kingdom) > Marchantiophyta (Phylum) > Marchantiopsida (Class) > Sphaerocarpales (Order) > Sphaerocarpaceae (Family)

Geocharis
     Geocharis Gistl, 1834 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Geocharis (K.M. Schumann) Ridley, 1908 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)
     Geocharis Ehlers, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Geococcus
     Geococcus Green, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)
     Geococcus J. Drummond ex W.H. Harvey, 1855 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
     Geococcus Francé, 1913 † (uncertain)· Protozoa (Kingdom) > Sarcomastigota (awaiting allocation) (Phylum) > (Class) > (Order) > Sarcomastigota (awaiting allocation) (Family)

Geodites
     Geodites Rafinesque, 1832 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Geodites Carter, 1871 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Astrophorida (Order) > Geodiidae (Family)

Geodromus
 Geodromus Heer, 1841 accepted as Geodromicus Redtenbacher, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Geodromus Dejean, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Geoemys
 Geoemys Bonaparte, 1838 accepted as Geoemyda Gray, 1834 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Testudines (Order) > Bataguridae (Family)
     Geoemys Agassiz, 1846 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Geogonys
     Geogonys Mello-Leitão, 1937 accepted as Guascaleptes Mello-Leitão, 1933 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Geogonys Mello-Leitão, 1935 accepted as Geogonys Mello-Leitão, 1937 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Geokichla
     Geokichla Macklot, 1830 accepted as Geokichla Macklot, 1830 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)
     Geokichla Müller, 1835 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)

Geo-Kichla
     Geo-Kichla Macklot, 1830 accepted as Geokichla Macklot, 1830 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)
 Geo-Kichla Müller, 1835 accepted as Geokichla Müller, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)

Geometra
     Geometra Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Geometra Denis & Schiffermüller, 1775 accepted as Geometra Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Geometra Paetel, 1875 accepted as Geomitra Swainson, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicidae (Family)

Geomitra
     Geomitra Swainson, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Geomitridae (Family)
 Geomitra Beccari, 1878 accepted as Thismia W. Griffith, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Dioscoreales (Order) > Burmanniaceae (Family)

Geonemus
     Geonemus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Geonemus Guerin-Meneville, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Geonomites
 Geonomites R. de Visiani, 1864 † accepted as Phoenicites A.T. Brongniart, 1828 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)
 Geonomites Lesquereux, 1878 † accepted as Sabalites G. Saporta, 1865 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Geonomus
 Geonomus Gemminger & Harold, 1871 accepted as Geonemus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Geonomus Suffrian, 1848 accepted as Geonemus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Geonomus Germar, 1829 accepted as Geonemus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Geopetalum
 Geopetalum R. Singer, 1951 accepted as Hohenbuehelia S. Schulzer von Müggenburg in Schulzer von Müggenburg et al., 1866 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Pleurotaceae (Family)
 Geopetalum Patouillard, 1887 accepted as Hohenbuehelia S. Schulzer von Müggenburg in Schulzer von Müggenburg et al., 1866 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Pleurotaceae (Family)

Geophagus
 Geophagus Attems, 1897 accepted as Sogophagus Chamberlin, 1912 · Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Geophilomorpha (Order) > Gonibregmatidae (Family)
     Geophagus Keller, 1887 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Haplotaxida (Order) > Glossoscolecidae (Family)
     Geophagus Heckel, 1840 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)

Geophila
     Geophila D. Don, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Geophila Bergeret, 1803 accepted as Geophila Bergeret, 1803 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
 Geophila Quélet, 1886 accepted as Psilocybe (E.M. Fries) P. Kummer, 1871 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Strophariaceae (Family)

Geophilus
 Geophilus Gistel, 1834 accepted as Psammodius Fallén, 1807 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Geophilus Selby, 1835 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Columbiformes (Order) > Columbidae (Family)
     Geophilus Bertoni, 1901 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Coraciiformes (awaiting allocation) (Family)
     Geophilus Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Geophilomorpha (Order) > Geophilidae (Family)
 Geophilus Koch, 1847 accepted as Geophilus Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Geophilomorpha (Order) > Geophilidae (Family)
 Geophilus Broun, 1880 accepted as Geochus Broun, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Geophilus Schönherr, 1823 accepted as Brachyomus Lacordaire, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Geoplana
     Geoplana Schultze & Müller, 1857 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Geoplanidae (Family)
 Geoplana Stimpson, 1857 accepted as Geoplana Schultze & Müller, 1857 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Geoplanidae (Family)

Geopora
     Geopora Harkness, 1885 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)
     Geopora Pace, 1985 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Geopyris
 Geopyris Blanchard, 1845 accepted as Geopyris Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)
 Geopyris Dejean, 1833 accepted as Phosphaenus Laporte, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)

Georgella
 Georgella Koenike, 1907 accepted as Hydryphantes Koch, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Hydryphantidae (Family)
 Georgella Conil & Lys, 1977 † accepted as Nevillea Conil & Lys in Conil, Longerstaey & Ramsbottom, 1980 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Tournayellidae (Family)

Georgia
     Georgia Wilson, 1911 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aphididae (Family)
 Georgia G.K.W.H. Karsten, 1858 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)
     Georgia Ochev, 1976 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Sauropterygia incertae sedis (Order) > Sauropterygia (awaiting allocation) (Family)
 Georgia F. Ehrhart ex Müller Hal., 1848 accepted as Tetraphis J. Hedwig, 1801 · Plantae (Kingdom) > Bryophyta (Phylum) > Tetraphidopsida (Class) > Tetraphidales (Order) > Tetraphidaceae (Family)
     Georgia Bourguignat in Révoil, 1882 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Pomatiidae (Family)
     Georgia Baird & Girard, 1853 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
     Georgia Thomson, 1857 accepted as Georgiana Aurivillius, 1912 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Georgia Hull, 1918 accepted as Dactylothrombium Feider, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Microtrombidiidae (Family)

Georgina
 Georgina Willdenow, 1803 accepted as Dahlia Cavanilles, 1791 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Georgina Key, 1976 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Morabidae (Family)
     Georgina Wade, 1977 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Actinocerida (Order) > Actinocerida (awaiting allocation) (Family)
 Georgina Walter, 1972 † accepted as Jacutophyton Schapavalova, 1965 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Conophytonida (Order) > (Family)

Georginus
     Georginus Semenov-Tian-Shankskii, 1925 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Georginus Jakobson, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Georgus
     Georgus Thiele in Troschel, 1893 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Georgus Gómez, 2018 accepted as Kaius Gómez, 2024 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Argestidae (Family)

Georychus
     Georychus Fleming, 1822 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Muridae (Family)
     Georychus Illiger, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Bathyergidae (Family)

Georyssus
     Georyssus Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)
 Georyssus Stephens, 1828 accepted as Georissus Latreille, 1809 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)

Geospiza
     Geospiza Gould, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Fringillidae (Family)
     Geospiza Gloger, 1842 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Geotrecha
 Geotrecha Gistl, 1848 accepted as Geotrecha Gistl, 1848 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Clypeasteroida (Order) > Scutellidae (Family)
 Geotrecha Emerton, 1888 accepted as Castianeira Keyserling, 1880 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Corinnidae (Family)

Geotrechus
     Geotrechus Jeannel, 1919 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Geotrechus Moore, 1972 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Geotrochus
     Geotrochus van Hasselt, 1823 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Trochomorphidae (Family)
     Geotrochus Swainson, 1832 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Pleurodontidae (Family)

Geotrupes
 Geotrupes Cuvier, 1798 accepted as Sericotrupes Zunino, 1984 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Geotrupidae (Family)
     Geotrupes Fabricius, 1798 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Geotrupidae (Family)
     Geotrupes Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Geotrupidae (Family)

Geotus
     Geotus Rafinesque, 1815 accepted as Geotus Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Geotus Pilát & Svrček, 1953 accepted as Arrhenia E.M. Fries, 1849 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Tricholomataceae (Family)

Gephyra
 Gephyra Koch, 1878 accepted as Amphianthus Hertwig, 1882 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Actiniaria (Order) > Hormathiidae (Family)
     Gephyra Walker, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Gephyra Koch in Koch (Keyserling), 1873 accepted as Gephyrota Strand, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Philodromidae (Family)

Gephyrella
     Gephyrella Dyar, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Gephyrella Mello-Leitão, 1918 accepted as Gephyrellula Strand, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Philodromidae (Family)

Gephyroneura
     Gephyroneura Turner, 1921 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Anthelidae (Family)
 Gephyroneura Obraztsov, 1968 accepted as Mehteria Koçak, 1981 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
     Gephyroneura Turner, 1919 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Bombycidae (Family)

Gephyrophora
     Gephyrophora Busk, 1884 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Gigantoporidae (Family)
 Gephyrophora Karsch, 1896 accepted as Eukarschia Fletcher in Fletcher & Nye, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Limacodidae (Family)

Gephyropsis
     Gephyropsis Warshauer & Berdan, 1982 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)
     Gephyropsis Carlgren, 1925 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Actiniaria (Order) > Hormathiidae (Family)

Geracus
     Geracus Matthew, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Insecta (awaiting allocation) (Order) > Insecta (awaiting allocation) (Family)
 Geracus Hustache, 1951 accepted as Geraeus Pascoe, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Geraeocormobius
 Geraeocormobius Roewer, 1923 accepted as Geraecormobius Holmberg, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Geraeocormobius Holmberg, 1887 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)

Geraeopsis
 Geraeopsis Casey, 1920 accepted as Parageraeus Casey, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Geraeopsis Champion, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Geranopus
     Geranopus White, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
     Geranopus Kaup, 1848 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Geranus
     Geranus Bonaparte, 1854 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Geranus Sharp, 1877 accepted as Sphaenelater Schwarz, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Gerardia
 Gerardia Linnaeus, 1753 accepted as Stenandrium C.G.D. Nees in Lindley, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
 Gerardia Lacaze-Duthiers, 1864 accepted as Savalia Nardo, 1844 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Zoantharia (Order) > Parazoanthidae (Family)
     Gerardia Pic, 1954 accepted as Piccula Bousquet & Bouchard, 2015 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Gerardia accepted as Gerarda Gray, 1849 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Gerardia G. Bentham in A.P. de Candolle, 1846 accepted as Agalinis Rafinesque, 1837 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Orobanchaceae (Family)

Gerastus
 Gerastus Agassiz, 1846 † accepted as Gerastus Agassiz, 1846 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Proetida (Order) > Proetidae (Family)
     Gerastus Krøyer in Rathbun, 1906 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Gerbera
 Gerbera Boehmer, 1760 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Gerbera Linnaeus, 1758 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gerdius
     Gerdius Townes, 1969 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Gerdius Holzschuh, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Gerhardia
     Gerhardia Kistner, 1960 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gerhardia Nielsen & Cohen, 2002 accepted as Thermichthys Nielsen & Cohen, 2005 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Ophidiiformes (Order) > Bythitidae (Family)

Gerhardtia
     Gerhardtia Dahl, 1907 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Gerhardtia Hyatt, 1903 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gerhardtia Bon, 1994 accepted as Lyophyllum P.A. Karsten, 1881 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Lyophyllaceae (Family)

Gerinia
     Gerinia (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Margarodidae (Family)
     Gerinia Leraut, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Gerlachia
 Gerlachia Boulenger in Harmer & Shipley, 1904 accepted as Gerlachea Dollo, 1900 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Bathydraconidae (Family)
 Gerlachia W. Gams & E. Müller, 1980 accepted as Microdochium H. Sydow, 1924 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Xylariales (Order) > Microdochiaceae (Family)

Germanites
     Germanites Schindewolf, 1929 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Cephalopoda (awaiting allocation) (Order) > Cephalopoda (awaiting allocation) (Family)
     Germanites Mascke, 1906 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Germanites Westermann, 1954 † accepted as Alfeldites Westermann, 1975 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)

Germaria
     Germaria Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Germaria K.B. Presl, 1851 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
 Germaria Jeanne, 1972 accepted as Germarina Jeanne, 1985 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Germaria Laporte, 1832 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Germaria K.B. Presl in Sternberg, 1838 † accepted as Todites A.C. Seward, 1900 † (unavailable name)· Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Osmundales (Order) > Osmundaceae (Family)

Geron
     Geron Meigen, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)
     Geron F.H. Cramer, 1966 † · Plantae (Kingdom) > Acritarcha (Phylum) > (Class) > (Order) > (Family)

Gerontia
     Gerontia Hutton, 1882 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Charopidae (Family)
     Gerontia Schaus, 1904 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gerris
 Gerris Swainson, 1839 accepted as Gerres Quoy & Gaimard, 1824 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gerreidae (Family)
     Gerris Fabricius, 1794 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Gerridae (Family)

Gerstfeldtia
     Gerstfeldtia Clessin, 1880 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gerstfeldtia Sabussowa, 1911 accepted as · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Dendrocoelidae (Family)

Gertia
     Gertia Soares & Soares, 1946 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Gertia K. Takahashi & M. Iwataki in Takahashi et al., 2019 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gymnodiniales (Order) > Kareniaceae (Family)

Gertrudia
 Gertrudia Herzog, 1916 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Pottiales (Order) > Pottiaceae (Family)
 Gertrudia K.M. Schumann in K.M. Schumann & Lauterbach, 1900 accepted as Ryparosa Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Achariaceae (Family)

Gervaisia
     Gervaisia Harrison & Walker, 1976 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Phoenicopteriformes (Order) > Phoenicopteridae (Family)
     Gervaisia Bonaparte, 1854 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Gervaisia Waga, 1858 accepted as Trachysphaera Heller, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Glomerida (Order) > Doderiidae (Family)
     Gervaisia Robineau-Desvoidy, 1863 accepted as Blondelia Robineau-Desvoidy, 1830 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Geryon
     Geryon Krøyer, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Geryonidae (Family)
     Geryon Gombos, 1982 † (uncertain)· Chromista (Kingdom) > Cercozoa (Phylum) > Thecofilosea (Class) > Ebriida (Order) > Ebriida (awaiting allocation) (Family)

Geryonia
     Geryonia Schrank ex Hoppe, 1818 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Saxifragaceae (Family)
     Geryonia Péron & Lesueur, 1810 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Trachylina (Order) > Geryoniidae (Family)

Gesneria
     Gesneria Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
     Gesneria Robineau-Desvoidy, 1830 accepted as Gesneriodes Villeneuve, 1909 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)
     Gesneria Hübner, 1825 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gesonia
     Gesonia Walker, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Gesonia Stål, 1878 accepted as Gesonula Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Gestroa
 Gestroa Bolivar, 1898 accepted as Gestroana Berg, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tetrigidae (Family)
 Gestroa Beccari, 1877 accepted as Erythrospermum Lamarck, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Achariaceae (Family)
     Gestroa Pini, 1876 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gestroania
     Gestroania Csiki, 1932 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Gestroania Liebke, 1938 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Gethosyne
     Gethosyne R.A. Salisbury, 1866 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
     Gethosyne Warren, 1896 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Geum
 Geum P. Miller, 1754 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Saxifragaceae (Family)
     Geum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)

Geunsia
 Geunsia Blume, 1823 accepted as Callicarpa Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
 Geunsia Rafinesque, 1840 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
 Geunsia Necker ex Rafinesque, 1838 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Geyeria
     Geyeria Buchecker, ? 1880 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Geyeria Buckman, 1899 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Geyeria Fucini, 1901 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Geyeria A. J. Wagner, 1914 accepted as Plagigeyeria Tomlin, 1930 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)
 Geyeria Carapezza & Schopen, 1899 † accepted as Carapezzia Tomlin, 1930 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Peregrinellidae (Family)

Ghiesbreghtia
 Ghiesbreghtia A. Richard & H.G. Galeotti, 1845 accepted as Calanthe R. Brown, 1821 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Ghiesbreghtia A. Gray, 1873 accepted as Eremogeton Standley & L.O. Williams, 1953 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)
     Ghiesbreghtia Baker, 1941 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Ghinia
 Ghinia Bubani, 1901 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Ghinia Schreber, 1789 accepted as Tamonea Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Verbenaceae (Family)

Giardia
     Giardia Ancey, 1907 accepted as Anceyoconcha Tumpeesuwan & Tumpeesuwan in Nahok et al., 2020 (junior homonym)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Camaenidae (Family)
     Giardia Künstler, 1882 · Protozoa (Kingdom) > Metamonada (Phylum) > Eopharyngea (Class) > Diplomonadida (Order) > Giardiidae (Family)

Gibbaspira
     Gibbaspira McLean, 1971 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Pseudomelatomidae (Family)
     Gibbaspira He, 1985 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)

Gibbaster
     Gibbaster Seunes, 1889 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Gibbaster Gauthier, 1887 † accepted as Micraster L. Agassiz, 1835 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Micrasteridae (Family)

Gibberella
     Gibberella Abushik, 1958 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Leperditicopida (Order) > Leperditicopida (awaiting allocation) (Family)
     Gibberella P.A. Saccardo, 1877 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Hypocreales (Order) > Nectriaceae (Family)
 Gibberella Miller, 1961 accepted as Ageniaspis Dahlbom, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)

Gibberidea
 Gibberidea (E.M. Fries) O. Kuntze, 1898 accepted as Cucurbitaria Gray, 1821 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Cucurbitariaceae (Family)
     Gibberidea Fuckel, 1870 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Dothideomycetes incertae sedis (Family)

Gibbesia
     Gibbesia Manning & Heard, 1997 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Stomatopoda (Order) > Squillidae (Family)
     Gibbesia J.K. Small, 1898 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)

Gibbium
     Gibbium Gray, 1842 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gibbium Scopoli, 1777 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)
     Gibbium Gray, 1840 accepted as Gibbium Gray, 1840 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gibbonota
     Gibbonota Heinrich, 1937 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Gibbonota Salazar & Lopez Vaamonde, 1996 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)

Gibbonsia
     Gibbonsia Bourguignat, 1889 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gibbonsia Cooper, 1864 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Clinidae (Family)

Gibbostethus
 Gibbostethus Anderson, 1988 accepted as Apleurus Chevrolat, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gibbostethus Anderson, 1987 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gibbsia
     Gibbsia Rendle in Gibbs, 1917 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Urticaceae (Family)
     Gibbsia Levine, 1986 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Adeleida (Order) > Adeleidae (Family)

Gibbula
     Gibbula Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)
 Gibbula Schallreuter, 1996 † accepted as Gibba Fuchs, 1919 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Palaeocopida (awaiting allocation) (Family)
     Gibbula Böttger, 1877 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)

Gibbulina
     Gibbulina Beck, 1837 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gibbulina Drouet, 1855 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gibellia
     Gibellia P.A. Saccardo, 1885 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Melanconidaceae (Family)
     Gibellia Passerini, 1886 accepted as Gibellina Passerini, 1886 (junior homonym)· Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetidae incertae sedis (Order) > Magnaporthaceae (Family)

Gibosia
     Gibosia Okamoto, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Plecoptera (Order) > Perlidae (Family)
 Gibosia Claassen, 1940 accepted as Gibosia Okamoto, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Plecoptera (Order) > Perlidae (Family)

Gibsonia
     Gibsonia Gajevskaja & Rodjuk, 1988 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Lepidapedidae (Family)
 Gibsonia Massee, 1909 accepted as Melanospora Corda, 1837 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Melanosporales (Order) > Ceratostomataceae (Family)

Giebelia
 Giebelia Trouessart, 1916 accepted as Zachvatkinia Dubinin, 1949 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Avenzoariidae (Family)
     Giebelia Kellogg, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Philopteridae (Family)
     Giebelia Townsend, 1921 † accepted as Agiebelia Townsend, 1933 † (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Oestridae (Family)

Gigalimosina
     Gigalimosina Rohácek, 1982 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sphaeroceridae (Family)
     Gigalimosina Rohácek, 1983 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sphaeroceridae (Family)

Gigantea
 Gigantea Stackhouse, 1816 accepted as Laminaria J.V.F. Lamouroux, 1813 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Laminariales (Order) > Laminariaceae (Family)
     Gigantea Ogren & Kawakatsu, 1990 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Geoplanidae (Family)

Gigantella
 Gigantella Sarytcheva, 1928 † accepted as Gigantoproductus Prentice, 1950 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Monticuliferidae (Family)
 Gigantella Ekman, 1905 accepted as Limnocalanus G.O. Sars, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Centropagidae (Family)

Giganteopalpus
 Giganteopalpus Franz, 1953 accepted as Monstropalpus Franz, 1954 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Giganteopalpus Huwe, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)

Gigantipitta
     Gigantipitta Bonaparte, 1854, nom. nud. accepted as Pitta Vieillot, 1816 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Pittidae (Family)
 Gigantipitta Bonaparte, 1854 accepted as Pitta Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Pittidae (Family)

Gigantoceras
     Gigantoceras Hyatt in Eastman-Zittel, 1900 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gigantoceras Holland, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nolidae (Family)

Gigantocypris
     Gigantocypris Skogsberg, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Myodocopida (Order) > Cypridinidae (Family)
     Gigantocypris Müller, 1895 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Myodocopida (Order) > Cypridinidae (Family)

Gigantopora
     Gigantopora Looss, 1907 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Gigantopora Ridley, 1881 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Gigantoporidae (Family)

Gigantopteris
     Gigantopteris H.T. Geyler, 1886 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Gigantopteridales (Order) > Gigantopteridaceae (Family)
 Gigantopteris H. Yabe, 1904 † accepted as Gigantopteris H.T. Geyler, 1886 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Gigantopteridales (Order) > Gigantopteridaceae (Family)
     Gigantopteris Schenk in F. von Richthofen, 1883 † accepted as Gigantopteris H.T. Geyler, 1886 † (unavailable name)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Gigantopteridales (Order) > Gigantopteridaceae (Family)

Gigantopygus
     Gigantopygus Hupé, 1953 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Redlichiida (Order) > Gigantopygidae (Family)
     Gigantopygus Hupé, 1952 † accepted as Gigantopygus Hupé, 1953 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Redlichiida (Order) > Gigantopygidae (Family)

Gigantorhynchus
     Gigantorhynchus Hamann, 1892 · Animalia (Kingdom) > Acanthocephala (Phylum) > Archiacanthocephala (Class) > Gigantorhynchida (Order) > Gigantorhynchidae (Family)
     Gigantorhynchus Sapel'nikov & Malygina, 1977 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Leiorhynchidae (Family)

Gigantosaurus
     Gigantosaurus Seeley, 1869 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Saurischia (Order) > Otozoidae (Family)
 Gigantosaurus Fraas, 1908 † accepted as Tornieria Sternfeld, 1911 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Saurischia (Order) > Diplodocidae (Family)

Gigantotermes
     Gigantotermes Haase, 1890 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)
 Gigantotermes Engel, Barden & Grimaldi in Engel et al., 2016 † accepted as Ginormotermes Engel, Barden & Grimaldi, 2016 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Euisoptera incertae sedis (Family)

Gigantotheca
     Gigantotheca Vervoort & Watson, 2003 accepted as Gigantotheca Vervoort & Watson, 2003 (junior homonym)· Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Sertulariidae (Family)
 Gigantotheca Townsend, 1917 accepted as Blaesoxipha Loew, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)
     Gigantotheca X. Li & Z. Yao, 1983 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Gigantopteridales (Order) > Gigantopteridaceae (Family)

Gigliolia
 Gigliolia Goode & Bean, 1895 accepted as Notacanthus Bloch, 1788 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Notacanthiformes (Order) > Notacanthidae (Family)
 Gigliolia Barbosa Rodrigues, 1877 accepted as Octomeria R. Brown in W.T. Aiton, 1813 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gigliolia Beccari, 1877 accepted as Areca Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Gigoutella
     Gigoutella Hupé in Piveteau, 1953, nom. nud. † accepted as Gigoutella Hupé, 1953 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Palaeolenidae (Family)
     Gigoutella Hupé, 1953 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Palaeolenidae (Family)

Gilarovella
 Gilarovella Mitrofanov, Sekerskaya & Sharonov, 1983 accepted as Gilarovana Mitrofanov & Sharonov, 1987 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Eriophyidae (Family)
     Gilarovella Lange, 1974 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Ctenacaridae (Family)

Gilbertella
     Gilbertella Hesseltine, 1960 · Fungi (Kingdom) > Zygomycota (Phylum) > Mucoromycetes (Class) > Mucorales (Order) > Choanephoraceae (Family)
 Gilbertella Eigenmann, 1903 accepted as Gilbertolus Eigenmann in Eigenmann & Ogle, 1907 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Acestrorhynchidae (Family)
 Gilbertella Waite, 1902 accepted as Epinephelides Ogilby, 1899 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Serranidae (Family)
     Gilbertella Turner, 1917 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Gilbertia
     Gilbertia Walsingham, 1891 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Gilbertia Jordan in Jordan & Eigenmann, 1890 accepted as Hypoplectrodes Gill, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Serranidae (Family)
 Gilbertia Donk, 1934 accepted as Amanita Persoon, 1797 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Amanitaceae (Family)
 Gilbertia Osella, 1977 accepted as Gilbertiola Osella, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)
 Gilbertia Cossmann, 1889 † accepted as Gilbertia Cossmann, 1889 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Ringiculidae (Family)

Gilbertiella
     Gilbertiella Boutique, 1951 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliales (Order) > Annonaceae (Family)
 Gilbertiella R. Heim, 1965 accepted as Gyrodon Opatowski, 1836 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Paxillaceae (Family)

Gilbertina
     Gilbertina R. Heim, 1966 accepted as Gyrodon Opatowski, 1836 (nomen nudum)· Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Paxillaceae (Family)
     Gilbertina E.O. Ulrich in Harriman, 1904 † · Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Gilbertina Morlet, 1888 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Ringiculidae (Family)
 Gilbertina Jordan & Starks, 1895 accepted as Gilbertidia Berg, 1898 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Psychrolutidae (Family)

Gilbertiola
     Gilbertiola O'Brien & Wibmer, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)
     Gilbertiola Osella, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)

Gilbertsonia
     Gilbertsonia E. Parmasto in Lindsey & Nakasone, 2001 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Fomitopsidaceae (Family)
     Gilbertsonia Morris, Dickins & Astafieva-Urbaitis, 1991 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pholadomyoida (Order) > Pholadomyoida (awaiting allocation) (Family)

Gilchristia
     Gilchristia Ito, Van Hoven, Miyazaki & Imai, 2006 accepted as Gilchristina Ito, Ishihara & Imai, 2014 (junior homonym)· Chromista (Kingdom) > Ciliophora (Phylum) > Litostomatea (Class) > Entodiniomorphida (Order) > Gilchristinidae (Family)
 Gilchristia Jordan, 1907 accepted as Pseudopentaceros Bleeker, 1876 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Pentacerotidae (Family)
 Gilchristia Burton, 1928 accepted as Protosuberites Swartschewsky, 1905 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Suberitida (Order) > Suberitidae (Family)
 Gilchristia Redaelli & Ciferri, 1934 accepted as Zymonema Beurmann & Gougerot, 1909 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Gilda
     Gilda Walker, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Gilda Giglio-Tos, 1915 accepted as Gildella Giglio-Tos, 1927 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Haaniidae (Family)

Gilesia
     Gilesia F. von Mueller, 1875 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
     Gilesia Theobald, 1903 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
 Gilesia Sarwar, 1956 accepted as Trichostrongylus Looss, 1905 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Trichostrongylidae (Family)

Gilia
     Gilia Pugh & Pagès, 1995 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
     Gilia Ruiz & Pavon, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Polemoniaceae (Family)

Gilibertia
 Gilibertia Ruiz & Pavon, 1794 accepted as Dendropanax Decaisne & J.E. Planchon, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)
 Gilibertia J.F. Gmelin, 1791 accepted as Turraea Linnaeus, 1771 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Meliaceae (Family)

Gillespiea
     Gillespiea D.M. Erwin & G.W. Rothwell, 1989 † accepted as Wolfeniana U.B. Deshmukh, 2022 † (junior homonym)· Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Stauropteridales (Order) > Stauropteridaceae (Family)
     Gillespiea A.C. Smith, 1936 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Gilletia
 Gilletia P.A. Saccardo & O.A.J. Penzig, 1882 accepted as Basidiophora Roze & Cornu, 1869 · Chromista (Kingdom) > Pseudofungi (Phylum) > Oomycetes (Class) > Peronosporales (Order) > Peronosporaceae (Family)
 Gilletia Torrend, 1914 accepted as Telligia Hendrickx, 1948 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Gilletia Lagneau-Hérenger, 1962 † accepted as Iberogilletia Ceccolini & Cianferoni, 2022 † (junior homonym)· Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Lithistida (Order) > Corallistidae (Family)
     Gilletia Benderitter, 1923 accepted as Lagochile Hoffmannsegg, 1817 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gilletiella
 Gilletiella De Wildeman & T. Durand, 1900 accepted as Anomacanthus Good, 1923 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
     Gilletiella P.A. Saccardo & P. Sydow, 1899 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Dothideomycetes incertae sedis (Family)

Gillettea
 Gillettea Börner, 1909 accepted as Gilletteela · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Adelgidae (Family)
     Gillettea Ashmead, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Gillettia
 Gillettia † accepted as Gilletia Lagneau-Hérenger, 1962 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Lithistida (Order) > Lithistida (awaiting allocation) (Family)
 Gillettia Rendle, 1896 accepted as Anthericopsis Engler, 1895 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Commelinales (Order) > Commelinaceae (Family)

Gillia
     Gillia Stimpson, 1865 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)
 Gillia Günther, 1865 accepted as Gillichthys Cooper, 1864 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)

Gilliesia
     Gilliesia Peters & Edmunds, 1970 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Ephemeroptera (Order) > Leptophlebiidae (Family)
     Gilliesia J. Lindley, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)

Gillotia
     Gillotia P.A. Saccardo & Trotter, 1913 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Mycosphaerellales (Order) > Mycosphaerellaceae (Family)
     Gillotia Kieffer, 1921 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)

Gilmania
     Gilmania Coville, 1936 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Polygonaceae (Family)
 Gilmania Batista & Ciferri, 1962 accepted as Chaetothyrium Spegazzini, 1888 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Chaetothyriales (Order) > Chaetothyriaceae (Family)

Gilsonia
     Gilsonia Meunier, 1908 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Protodonata (Order) > Protodonata (awaiting allocation) (Family)
 Gilsonia Gedoelst, 1919 accepted as Hadjelia Seurat, 1916 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Habronematidae (Family)

Ginannia
 Ginannia Bubani, 1901 accepted as Holcus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Ginannia Montagne, 1842 accepted as Scinaia Bivona-Bernardi, 1822 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Scinaiaceae (Family)
 Ginannia Montagne in Webb & Berthelot, 1841 accepted as Scinaia Bivona-Bernardi, 1822 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Scinaiaceae (Family)
 Ginannia F.G. Dietrich, 1804 accepted as Dendropanax Decaisne & J.E. Planchon, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)
     Ginannia Scopoli, 1777 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Ginebis
     Ginebis Is. Taki & Otuka, 1943 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Calliotropidae (Family)
     Ginebis Noda, 1975 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Chilodontaidae (Family)

Ginella
     Ginella Ivanova, 1960 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)
     Ginella Missarzhevskii in Rozanov. Missarzhevskii et al., 1969 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Helcionelloida (Class) > Helcionelliformes (Order) > Helcionellidae (Family)

Ginerosia
 Ginerosia Báguena Corella, 1948 accepted as Mixaderus Collado & Alonso-Zarazaga, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)
 Ginerosia Collado & Alonso-Zarazaga, 1996 accepted as Mixaderus Collado & Alonso-Zarazaga, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)

Ginesia
 Ginesia Jaume & Boxshall, 1997 accepted as Costanzoia Zagami & Brugnano, 2013 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Smirnovipinidae (Family)
 Ginesia Fernández-Yépez, 1951 accepted as Brachyplatystoma Bleeker, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Pimelodidae (Family)

Gingidium
 Gingidium J.R. Forster & J.G.A. Forster, 1775 accepted as Gingidia J.W. Dawson, 1974 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
     Gingidium J. Hill, 1756 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)

Ginkgophyton
     Ginkgophyton Matthew, 1910 † (uncertain)· Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
 Ginkgophyton M.D. Zalessky, 1919 † accepted as Ginkgophytopsis O.A. Høeg in E. Boureau, 1967 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Ginkgoopsida (Class) > Ginkgoales (Order) > Ginkgoaceae (Family)

Ginkgoxylon
     Ginkgoxylon Saporta, 1884 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Ginkgoopsida (Class) > Ginkgoales (Order) > Ginkgoaceae (Family)
 Ginkgoxylon R. Ch. Chudajberdyev, 1962 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Ginkgoopsida (Class) > Ginkgoales (Order) > Ginkgoales (awaiting allocation) (Family)
     Ginkgoxylon G. Andreánszky, 1952 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Ginkgoopsida (Class) > Ginkgoales (Order) > Ginkgoaceae (Family)

Ginnania
 Ginnania M.J. Roemer, 1846 accepted as Turraea Linnaeus, 1771 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Meliaceae (Family)
 Ginnania Montagne in Webb & Berthelot, 1841 accepted as Ginannia Montagne in Webb & Berthelot, 1841 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Scinaiaceae (Family)
 Ginnania Monterosato, 1884 accepted as Bela Gray, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Mangeliidae (Family)

Ginosigma
     Ginosigma Speijer, 1933 accepted as Ginosigma Whittick, 1937 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Uropygi (Order) > Thelyphonidae (Family)
 Ginosigma Speijer, 1936 accepted as Ginosigma Whittick, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Uropygi (Order) > Thelyphonidae (Family)
     Ginosigma Whittick, 1937 accepted as Ginosigma Whittick, 1937 (taxon inquirendum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Uropygi (Order) > Thelyphonidae (Family)

Gioenia
     Gioenia Lioy, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Gioenia Bruguière, 1789 accepted as Scaphander Montfort, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cephalaspidea (Order) > Scaphandridae (Family)

Gippslandia
     Gippslandia L.E. Stover & G.L. Williams, 1987 † · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Peridiniales (Order) > Peridiniaceae (Family)
     Gippslandia Bayly & Arnott, 1969 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Centropagidae (Family)

Giraldiella
     Giraldiella Williams, 1951 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Orthida (Order) > Giraldiellidae (Family)
     Giraldiella Müller Hal., 1898 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Hypnaceae (Family)
     Giraldiella Bancroft, 1949 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Orthida (Order) > Plectorthidae (Family)
 Giraldiella Dammer, 1905 accepted as Lloydia R.A. Salisbury ex H.G.L. Reichenbach, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)

Girardia
     Girardia Ball, 1974 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Dugesiidae (Family)
 Girardia S.F. Gray, 1821 accepted as Bangia Lyngbye, 1819 · Plantae (Kingdom) > Rhodophyta (Phylum) > Bangiophyceae (Class) > Bangiales (Order) > Bangiaceae (Family)

Girardiella
 Girardiella Müller Hal., 1898 accepted as Giraldiella Müller Hal., 1898 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Hypnaceae (Family)
     Girardiella Lyle, 1938 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Giraudia
     Giraudia Goux, 1989 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)
     Giraudia Bourguignat, 1885 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Pleuroceridae (Family)
     Giraudia A. Derbès & A. Solier in L. Castagne, 1851 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Ectocarpales (Order) > Chordariaceae (Family)
     Giraudia Förster, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Girgensohnia
     Girgensohnia Bunge ex E. Fenzl in Ledebour, 1851 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Girgensohnia (S.O. Lindberg) Kindberg, 1896 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Isobryales (Order) > Climaciaceae (Family)

Girpa
     Girpa Walker, 1858 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Girpa Walker, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Girtyites
     Girtyites Wedekind, 1914 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Girtyites Coryell & Booth, 1933 † accepted as Kegelites Coryell & Booth, 1933 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda incertae sedis (Family)

Giselia
     Giselia Haupt, 1956 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Giselia Magowski, Lindquist & Moser, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Tarsonemidae (Family)

Gisella
     Gisella Bonaparte, 1854, nom. nud. accepted as Aegolius Kaup, 1829 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)
 Gisella Bonaparte, 1854 accepted as Aegolius Kaup, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)

Gjellerupia
     Gjellerupia Lauterbach, 1912 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Opiliaceae (Family)
     Gjellerupia Roewer, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Zalmoxidae (Family)

Glabella
     Glabella Swainson, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Marginellidae (Family)
 Glabella Loew in Meigen, 1873 accepted as Glabellula Bezzi, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)

Glaberoribates
     Glaberoribates Tseng, 1984 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Haplozetidae (Family)
     Glaberoribates Tseng, 1982 accepted as Glaberoribates Tseng, 1984 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Haplozetidae (Family)

Glabrasida
     Glabrasida Reitter, 1917 accepted as Glabrasida de la Escalera, 1910 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Glabrasida de la Escalera, 1910 accepted as Alphasida Martinez-Escalera, 1905 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Glabrella
     Glabrella Scudder, 1882 accepted as Glabrella Scudder, 1882 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Glabrella M. Möller & W.H. Chen, 2014 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
     Glabrella Lermontova, 1940 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Glabriana
     Glabriana Caziot, 1910 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)
 Glabriana Servain, 1881 accepted as Omphiscola Rafinesque, 1819 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Lymnaeidae (Family)

Glabrobracon
     Glabrobracon Fahringer, 1927 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Glabrobracon Tobias, 1957 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)

Glabrotelson
     Glabrotelson Huys in Kihara & Huys, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Ectinosomatidae (Family)
 Glabrotelson Huys, 2009 accepted as Glabrotelson Huys in Kihara & Huys, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Ectinosomatidae (Family)

Glaciozyma
     Glaciozyma B. Turchetti, L.B. Connell, S.R. Thomas Hall & T. Boekhout ex M. Groenewald & Q.M. Wang, 2020 · Fungi (Kingdom) > Basidiomycota (Phylum) > Microbotryomycetes (Class) > Kriegeriales (Order) > Camptobasidiaceae (Family)
     Glaciozyma B. Turchetti, L.B. Connell, S.R. Thomas Hall & T. Boekhout, 2011 accepted as Glaciozyma B. Turchetti, L.B. Connell, S.R. Thomas Hall & T. Boekhout ex M. Groenewald & Q.M. Wang, 2020 (unavailable name)· Fungi (Kingdom) > Basidiomycota (Phylum) > Microbotryomycetes (Class) > Kriegeriales (Order) > Camptobasidiaceae (Family)

Gladiaria
 Gladiaria Wick, 1939 † accepted as Astacolus de Montfort, 1808 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Vaginulinidae (Family)
 Gladiaria Wedekind, 1937 accepted as Percultazonaria Loeblich & Tappan, 1986 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Vaginulinidae (Family)

Gladiator
 Gladiator Gray, 1870 accepted as Orcinus Fitzinger, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)
     Gladiator Gistl in Gistl & Bromme, 1850 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Gladius
 Gladius Mörch, 1852 accepted as Tibia Röding, 1798 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Rostellariidae (Family)
     Gladius Forti & Schulz, 1932 † · Chromista (Kingdom) > Bacillariophyta (Phylum) > Coscinodiscophyceae (Class) > Gladiales (Order) > Gladiaceae (Family)

Gladobates
 Gladobates Schinz, 1824 accepted as Tupaia Raffles, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Scandentia (Order) > Tupaiidae (Family)
 Gladobates Berthold in Latreille, 1827 accepted as Tupaia Raffles, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Scandentia (Order) > Tupaiidae (Family)

Glaea
     Glaea Stephens, 1829 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Glaea Blanchard, 1845 accepted as Glenea Thomson, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Glaessneria
 Glaessneria Wright & Collins, 1972 † accepted as Glaessnerella Wright & Collins, 1975 † · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Decapoda (awaiting allocation) (Family)
 Glaessneria Takeda & Miyake, 1969 accepted as Goneplax Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Goneplacidae (Family)

Glandarius
     Glandarius Rafinesque, 1815 accepted as Glandarius Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Glandarius Koch, 1816 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Glandula
     Glandula Medikus, 1787 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Glandula Tian & Hu, 1985 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Lissamphibia (awaiting allocation) (Order) > Lissamphibia (awaiting allocation) (Family)
 Glandula Stimpson, 1852 accepted as Polycarpa Heller, 1877 · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Stolidobranchia (Order) > Styelidae (Family)
     Glandula Scudder, 1882 accepted as Glandula Scudder, 1882 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Glandularia
     Glandularia J.F. Gmelin, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Verbenaceae (Family)
 Glandularia Schaufuss, 1889 accepted as Euconnus Thomson, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Glanis
 Glanis Agassiz in Spix & Agassiz, 1829 accepted as Bagre Cloquet, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Ariidae (Family)
 Glanis Agassiz, 1857 accepted as Silurus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Siluridae (Family)
 Glanis Gronow in Gray, 1854 accepted as Notopterus Lacepède, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osteoglossiformes (Order) > Notopteridae (Family)
 Glanis Jekel, 1865 accepted as Neoglanis Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Glanis Dejean, 1821 accepted as Hypera Germar, 1817 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Glanis Bedel, 1884 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Glanis Rafinesque, 1818 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Glaphyra
     Glaphyra Albers, 1850 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Glaphyra Newman, 1840 accepted as Laphyra Newman, 1842 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Glaphyra Uvarov, 1923 accepted as Ornithacris Uvarov, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
 Glaphyra Guenée, 1841 † accepted as Rhypagla Nye, 1975 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Glaphyraspis
 Glaphyraspis Beier, 1960 accepted as Homalaspidia Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
     Glaphyraspis Resser, 1937 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Lonchocephalidae (Family)

Glaphyria
     Glaphyria Hübner, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)
     Glaphyria W. Jack, 1823 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)

Glaphyroptera
 Glaphyroptera Winnertz, 1863 accepted as Neoglaphyroptera Osten-Sacken, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Mycetophilidae (Family)
     Glaphyroptera Heer in Heer & Escher, 1852 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Glaphyropterites
     Glaphyropterites Heer, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
     Glaphyropterites Handlirsch, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > (Family)

Glaridodon
 Glaridodon Garman, 1895 accepted as Girardinus Poey, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cyprinodontiformes (Order) > Poeciliidae (Family)
     Glaridodon Seeley, 1888 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Glarisia
     Glarisia Cassis, 1986 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
     Glarisia Cassis, 1984 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Glarithurus
     Glarithurus Tyler, 2005 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Acanthuridae (Family)
     Glarithurus Tyler & Micklich, 2011 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Acanthuridae (Family)

Glaucidium
     Glaucidium Boie, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)
     Glaucidium Siebold & Zuccarini, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Ranunculaceae (Family)

Glaucion
 Glaucion Oken, 1815 accepted as Glaucion Oken, 1815 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
     Glaucion Kaup, 1829 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Glaucium
     Glaucium Gray, 1840 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Glaucium Agassiz, 1846 accepted as Glaucium Agassiz, 1846 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Glaucium P. Miller, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Papaveraceae (Family)

Glaucolepis
     Glaucolepis Braun, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nepticulidae (Family)
     Glaucolepis Stensiö, 1921 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Glauconema
     Glauconema Thompson, 1966 · Chromista (Kingdom) > Ciliophora (Phylum) > Oligohymenophorea (Class) > Hymenostomatida (Order) > Parauronematidae (Family)
 Glauconema L. Reinhard, 1885 accepted as Chroodactylon Hansgirg, 1885 · Plantae (Kingdom) > Rhodophyta (Phylum) > Stylonematophyceae (Class) > Stylonematales (Order) > Stylonemataceae (Family)

Glauconia
 Glauconia Stoliczka, 1868 † accepted as Cassiope Coquand, 1865 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Cassiopidae (Family)
     Glauconia Gray, 1845 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Leptotyphlopidae (Family)
     Glauconia Paulian, 1939 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Glauconoma
 Glauconoma Wiegmann, 1839 accepted as Glauconoma Wiegmann, 1839 · Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
 Glauconoma Desmarest in Chenu, 1858 accepted as Glauconome Gray, 1828 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Glauconomidae (Family)

Glauconome
     Glauconome Gray, 1828 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Glauconomidae (Family)
     Glauconome Münster in Goldfuss, 1829 (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Glauconome auct. † (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Cryptostomida (Order) > Arthrostylidae (Family)
     Glauconome Krøyer, 1845 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Glaucopis
     Glaucopis Gmelin in Linnaeus, 1788 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Passeres (awaiting allocation) (Family)
 Glaucopis Bonaparte, 1854 accepted as Glaucopis Bonaparte, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Glaucopis Fabricius, 1807 accepted as Glaucopis Fabricius, 1807 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Thyrididae (Family)

Glaucopterix
 Glaucopterix Hübner, 1826 accepted as Glaucopterix Hübner, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Glaucopterix Kaup, 1844 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Glaucosphaera
     Glaucosphaera Korshikov, 1930 · Plantae (Kingdom) > Rhodophyta (Phylum) > Rhodellophyceae (Class) > Glaucosphaerales (Order) > Glaucosphaeraceae (Family)
     Glaucosphaera Maulik, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Glaucostola
     Glaucostola Hampson, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Glaucostola Meyrick, 1926 accepted as Glaucostolella Fletcher, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)

Glaucothoe
     Glaucothoe H. Milne Edwards, 1830 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Paguridae (Family)
 Glaucothoe Leach in Gray, 1852 accepted as Truncatella Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Truncatellidae (Family)

Glaucus
 Glaucus Jordan & Hubbs, 1917 accepted as Trachinotus Lacepède, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
     Glaucus Gouan, 1770 accepted as Trachinotus Lacepède, 1801 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
 Glaucus Bleeker, 1863 accepted as Trachinotus Lacepède, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
     Glaucus Bruch, 1853 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Glaucus Poli, 1795 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
 Glaucus Fowler, 1906 accepted as Lichia Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
     Glaucus Gmelin, 1791 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Glaucidae (Family)
 Glaucus Walbaum, 1792 accepted as Glaucus Walbaum, 1792 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
 Glaucus Klein, 1775 accepted as Glaucus Klein, 1775 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
     Glaucus Forster, 1777 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Glaucidae (Family)

Glauertia
 Glauertia Rothschild, 1936 accepted as Acanthopsylla Jordan & Rothschild, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Siphonaptera (Order) > Pygiopsyllidae (Family)
 Glauertia Loveridge, 1933 accepted as Uperoleia Gray, 1841 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Myobatrachidae (Family)

Glaux
 Glaux J. Hill, 1756 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Glaux Medikus, 1787 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Glaux Rylands, 1836 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Glaux Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Primulaceae (Family)

Glaziova
 Glaziova Bureau, 1868 accepted as Amphilophium Kunth, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Bignoniaceae (Family)
 Glaziova C.F.P. Martius ex Drude in C.F.P. Martius, 1881 accepted as Lytocaryum Toledo, 1944 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Gleba
 Gleba Otto, 1823 accepted as Hippopodius Quoy & Gaimard, 1827 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Hippopodiidae (Family)
     Gleba Tilesius, 1814 (uncertain)· Animalia (Kingdom) > Animalia (awaiting allocation) (Phylum) > Animalia (awaiting allocation) (Class) > Animalia (awaiting allocation) (Order) > Animalia (awaiting allocation) (Family)
     Gleba Forsskål in Niebuhr, 1776 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Thecosomata (Order) > Cymbuliidae (Family)
     Gleba Bruguière, 1791 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > (Order) > (Family)

Gleicheniidites
     Gleicheniidites N.E. Ross ex A. Delcourt & G. Sprumont, 1955 † · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Gleicheniidites K.N. Grigoreva in S.R. Samoilovitch et al., 1961 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Gleichenites
 Gleichenites N.A. Bolchovitina, 1959 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Gleichenites I.A. Agranovskaja in I.A. Agranovskaja et al., 1960 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Gleichenites Göppert, 1836 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Gleicheniales (Order) > Gleicheniaceae (Family)
 Gleichenites A.C. Seward, 1927 † accepted as Korallipteris E.I. Vera & M.G. Passalia, 2012 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > (Order) > (Family)

Glenea
     Glenea Thomson, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Glenea Newman, 1842 accepted as Glenea Thomson, 1860 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Glenisteroceras
     Glenisteroceras Zhou, 2017 † accepted as Glenisterites Zhou, 2017 † (junior homonym)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Goniatitida (Order) > Metalegoceratidae (Family)
     Glenisteroceras Flower, 1957 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Orthocerida (Order) > Sactorthoceratidae (Family)

Glenniea
     Glenniea J.D. Hooker in Bentham & J.D. Hooker, 1862 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)
     Glenniea Turk, 1945 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Polydesmida (Order) > Fuhrmannodesmidae (Family)

Glenocrinus
     Glenocrinus d'Orbigny, 1852 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Glenocrinus Guensburg & Sprinkle, 2003 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Protocrinoida (Order) > Titanocrinidae (Family)

Glenomorum
 Glenomorum Schmarda, 1854 accepted as · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Chlamydomonadales (Order) > Chlamydomonadaceae (Family)
     Glenomorum C.G. Ehrenberg, 1838 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Chlamydomonadales (Order) > Chlamydomonadaceae (Family)

Glenopteris
     Glenopteris Hübner, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Glenopteris Sellards, 1900 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Peltaspermales (Order) > (Family)

Glessaria
     Glessaria Berendt, 1845 accepted as Glessaria Berendt, 1845 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)
 Glessaria Menge in Berendt, 1854 accepted as Derovatellus Sharp, 1881 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)

Glibertiella
     Glibertiella Schlickum, 1968 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Truncatellidae (Family)
     Glibertiella Grundel, 1980 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)

Gliravus
     Gliravus Stehlin in Erni, 1942 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
     Gliravus Stehlin & Schaub, 1951 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)

Gliridarum
     Gliridarum Schaub & Hürzeler, 1948 † accepted as Gliridarum Schaub & Hürzeler, 1948 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
     Gliridarum Schaub & Hürzeler, 1949 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)

Glirisorex
 Glirisorex Agassiz, 1846 accepted as Tupaia Raffles, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Scandentia (Order) > Tupaiidae (Family)
 Glirisorex Scudder, 1882 accepted as Tupaia Raffles, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Scandentia (Order) > Tupaiidae (Family)

Glis
 Glis Erxleben, 1777 accepted as Marmota Blumenbach, 1779 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Sciuridae (Family)
     Glis Brisson, 1762 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)

Globaria
     Globaria Quélet, 1873 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Lycoperdaceae (Family)
 Globaria Berthold in Latreille, 1827 accepted as Allocotocerus Kraatz, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)
     Globaria Scopoli, 1777 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Globator
     Globator L. Grambast, 1966 † · Plantae (Kingdom) > Charophyta (Phylum) > Charophyceae (Class) > Charales (Order) > Clavatoraceae (Family)
     Globator L. Agassiz, 1840 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Holectypoida (Order) > Conulidae (Family)

Globicephalus
 Globicephalus van Beneden, 1880 accepted as Globicephala Lesson, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)
 Globicephalus Lesson, 1828 accepted as Globicephala Lesson, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)

Globiceps
 Globiceps Beneden, 1868 accepted as Globicephala Lesson, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)
 Globiceps Flower, 1884 accepted as Globicephala Lesson, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)
     Globiceps Lepeletier & Serville, 1825 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Globiceps Felder, 1869 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Globiceps Ayres, 1854 accepted as Pennaria Goldfuss, 1820 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Pennariidae (Family)

Globicornis
 Globicornis Mulsant & Rey, 1868 accepted as Trogoderma Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dermestidae (Family)
     Globicornis Latreille, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dermestidae (Family)

Globidium
 Globidium Neumann, 1909 accepted as Globidiellum Brumpt, 1913 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Piroplasmida (Order) > Haemohormidiidae (Family)
 Globidium Flesch, 1883 accepted as Eimeria Schneider, 1875 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Eimeriida (Order) > Eimeriidae (Family)

Globigerina
     Globigerina d'Orbigny, 1826 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Globigerinida (Order) > Globigerinidae (Family)
     Globigerina Morozova, 1959 † (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Globipaussus
 Globipaussus Luna de Carvalho, 1989 accepted as Paussus Linnaeus, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Globipaussus Kolbe, 1938 accepted as Paussus Linnaeus, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Globochthonius
     Globochthonius Finnegan, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Pseudoscorpionida (Order) > Chthoniidae (Family)
     Globochthonius Beier, 1931 accepted as Globochthonius Finnegan, 1932 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Pseudoscorpionida (Order) > Chthoniidae (Family)

Globocrinus
     Globocrinus Weller, 1921 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)
     Globocrinus Washburn, 1968 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Crinoidea (awaiting allocation) (Order) > Crinoidea (awaiting allocation) (Family)

Globodera
     Globodera (uncertain)· Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > (Class) > (Order) > (Family)
     Globodera Skarbilovich, 1959 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Heteroderidae (Family)

Globoides
     Globoides Tichomirova, 1968 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Globoides Amaro, 1966 † (uncertain)· Chromista (Kingdom) > Bigyra (Phylum) > Opalinea (Class) > Opalinida (Order) > Opalinidae (Family)

Globularia
     Globularia Rolando, 1841 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Globularia Swainson, 1840 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Ampullinidae (Family)
     Globularia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)

Globulina
     Globulina Spegazzini, 1888 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Dothideomycetes incertae sedis (Family)
     Globulina d'Orbigny, 1839 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Polymorphinidae (Family)
     Globulina Morren, 1835 accepted as Globulina d'Orbigny, 1839 (nomen nudum)· Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Polymorphinidae (Family)
     Globulina Wagner, 1905 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Globulina (Müller Hal.) V.F. Brotherus in Engler & Prantl, 1902 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Pottiales (Order) > Pottiaceae (Family)
 Globulina Velenovský, 1934 accepted as Unguiculella F. von Höhnel, 1906 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Hyaloscyphaceae (Family)
 Globulina Link in C.G.D. Nees, 1820 accepted as Zygnema C.A. Agardh in Liljeblad, 1816 · Plantae (Kingdom) > Charophyta (Phylum) > Zygnematophyceae (Class) > Zygnematales (Order) > Zygnemataceae (Family)
 Globulina Cerulli-Irelli, 1911 † accepted as Schilderia Tomlin, 1930 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Cypraeidae (Family)
 Globulina P.J.F. Turpin, 1827 accepted as Lichenomphalia Redhead, Lutzoni, Moncalvo & Vilgalys, 2002 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Hygrophoraceae (Family)

Globulites
     Globulites Nemkov, 1967 † accepted as Nummulites Lamarck, 1801 (junior subjective synonym)· Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Nummulitidae (Family)
     Globulites de Haan, 1825 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Globulites Jeannel, 1954 † accepted as Globosulus Jeannel, 1949 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Globulocerithium
     Globulocerithium Pacaud, 2023 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Cerithiidae (Family)
     Globulocerithium Bouniol, 1981 † accepted as Globulocerithium Pacaud, 2023 † (unavailable name)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Cerithiidae (Family)

Globulus
     Globulus Ehrenberg, 1841 (uncertain)· Animalia (Kingdom) > Animalia (awaiting allocation) (Phylum) > Animalia (awaiting allocation) (Class) > Animalia (awaiting allocation) (Order) > Animalia (awaiting allocation) (Family)
     Globulus L.G. Voronova & N.A. Drosdova, 1987 † (uncertain)· Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Cyanophyceae (awaiting allocation) (Family)
     Globulus Sowerby, 1834 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Naticidae (Family)
 Globulus Schumacher, 1817 accepted as Umbonium Link, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)

Globus
     Globus Deshayes, 1832 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Globus Scopoli, 1772 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cestoda (awaiting allocation) (Order) > Cestoda (awaiting allocation) (Family)
     Globus G. Vidal in Moczydłowska & Vidal, 1988 † · Bacteria (Kingdom) > (Phylum) > (Class) > (Order) > (Family)

Glochina
     Glochina Emeljanov, 2011 accepted as Emeljanovina Xing & Chen, 2013 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Dictyopharidae (Family)
     Glochina Meigen, 1830 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Limoniidae (Family)

Glochinorrhinus
 Glochinorrhinus Etheridge & Olliff, 1890 accepted as Etheridgea Handlirsch, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Glochinorrhinus Gemminger & Harold, 1871 accepted as Glochinorhinus Waterhouse, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Glockeria
     Glockeria Göppert, 1836 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridophyta/Pteridospermophyta (unclassified foliage) (Class) > Pteridophyta/Pteridospermophyta (awaiting allocation) (Order) > Pteridophytes/Pteridosperms (awaiting allocation) (Family)
     Glockeria Wedekind, 1911 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Glockeria Ksiazkiewicz, 1968 † (uncertain)· Animalia (Kingdom) > Animalia incertae sedis (Phylum) > (Class) > (Order) > (Family)
 Glockeria C.G.D. Nees in Alph. de Candolle, 1847 accepted as Stenostephanus C.G.D. Nees in C.F.P. Martius, 1847 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Gloeochloris
     Gloeochloris Pascher, 1932 · Chromista (Kingdom) > Ochrophyta (Phylum) > Xanthophyceae (Class) > Heterogloeales (Order) > Heterogloeaceae (Family)
 Gloeochloris Korshikov, 1932 accepted as Chlorangiogloea Korshikov, 1953 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Chlamydomonadales (Order) > Chlorangiellaceae (Family)

Gloeonema
 Gloeonema Agassiz, 1846 accepted as Gloionema C.A. Agardh, 1812 · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)
 Gloeonema Ehrenberg, 1856 accepted as Gloionema C.A. Agardh, 1812 · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)

Gloeophyllum
     Gloeophyllum P.A. Karsten, 1882 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Gloeophyllales (Order) > Gloeophyllaceae (Family)
 Gloeophyllum Korshikov, 1955 accepted as Hormotilopsis Trainor & H.C. Bold, 1954 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Chaetopeltidales (Order) > Chaetopeltidaceae (Family)

Gloeosoma
     Gloeosoma Wollaston, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Corylophidae (Family)
 Gloeosoma Bresadola, 1920 accepted as Aleurodiscus Rabenhorst ex J. Schröter in Cohn, 1888 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Russulales (Order) > Stereaceae (Family)

Gloionema
     Gloionema C.A. Agardh, 1812 · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)
 Gloionema Bory de St. Vincent, 1825 accepted as Gloionema C.A. Agardh, 1812 · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)

Glomera
     Glomera Blume, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Glomera Acciavatti & Pearson, 1989 accepted as Cylindera Westwood, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cicindelidae (Family)

Glomerella
     Glomerella Spaulding & H. von Schrenk, 1903 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetidae incertae sedis (Order) > Glomerellaceae (Family)
     Glomerella Gordon, 1977 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)

Glomerula
     Glomerula Nielsen, 1931 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Sabellida (Order) > Sabellidae (Family)
 Glomerula Bainier, 1903 accepted as Actinomucor Schostakowitsch, 1898 · Fungi (Kingdom) > Zygomycota (Phylum) > Mucoromycetes (Class) > Mucorales (Order) > Mucoraceae (Family)

Glomerularia
 Glomerularia C.H. Peck, 1879 accepted as Glomopsis D.M. Henderson, 1961 · Fungi (Kingdom) > Basidiomycota (Phylum) > Pucciniomycetes (Class) > Platygloeales (Order) > Platygloeaceae (Family)
 Glomerularia H. Karsten, 1849 accepted as Gonatobotrys Corda, 1839 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Melanosporales (Order) > Ceratostomataceae (Family)

Glomospirella
     Glomospirella Plummer, 1945 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lituolida (Order) > Ammodiscidae (Family)
 Glomospirella Reytlinger, 1950 † accepted as Glomospiroides Reytlinger, 1950 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Tournayellidae (Family)

Glomospora
 Glomospora D.M. Henderson, 1961 accepted as Glomerogloea A.B. Doweld, 2013 · Fungi (Kingdom) > Basidiomycota (Phylum) > Pucciniomycetes (Class) > Platygloeales (Order) > Platygloeaceae (Family)
     Glomospora M.A. Butterworth & R.W. Williams, 1958 † (uncertain)· Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Glomus
 Glomus Jeffreys, 1876 accepted as Pristigloma Dall, 1900 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Nuculanida (Order) > Sareptidae (Family)
     Glomus L.R. Tulasne & C. Tulasne, 1845 · Fungi (Kingdom) > Glomeromycota (Phylum) > Glomeromycetes (Class) > Glomerales (Order) > Glomeraceae (Family)
 Glomus Gistl, 1848 accepted as Carpelimus Leach in Samouelle, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gloria
     Gloria Grubić, 2004 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Hippuritida (Order) > Hippuritidae (Family)
     Gloria Egorova & Savitsky, 1968 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Gloria Barrande, 1881 † accepted as Slava Barrande, 1881 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Praecardioida (Order) > Slavidae (Family)

Glossacantha
     Glossacantha Bernhauer, 1928 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Glossacantha Gemminger & Harold, 1868 accepted as Zyras Stephens, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Glossadenia
     Glossadenia J. Kavulak, 1986 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Glossadenia Hort. ex J.M.H. Shaw, 2014 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Glossina
     Glossina Wiedemann, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Glossinidae (Family)
 Glossina Guenée, 1854 accepted as Stericta Lederer, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Glossina Phillips, 1848 † accepted as Palaeoglossa Cockerell, 1911 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Obolidae (Family)

Glossiphus
     Glossiphus Green in Rafinesque, 1832 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Glossiphus Rafinesque, 1815 accepted as Glossiphus Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Glossocardia
     Glossocardia Stoliczka, 1870 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Trapezidae (Family)
     Glossocardia Cassini, 1817 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Glossoceras
     Glossoceras Barrande, 1865 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ascoceratida (Order) > Ascocerida (awaiting allocation) (Family)
 Glossoceras Douvillé, 1907 accepted as Glossoceras Douvillé, 1907 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Glossodon
 Glossodon Heckel in Russegger, 1843 accepted as Hiodon Lesueur, 1818 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osteoglossiformes (Order) > Hiodontidae (Family)
 Glossodon Rafinesque, 1818 accepted as Hiodon Lesueur, 1818 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osteoglossiformes (Order) > Hiodontidae (Family)

Glossodus
     Glossodus Costa, 1851 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pycnodontiformes (Order) > Pycnodontiformes (awaiting allocation) (Family)
 Glossodus Agassiz in Spix & Agassiz, 1829 accepted as Albula Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Albuliformes (Order) > Albulidae (Family)
 Glossodus M'Coy, 1848 † accepted as Euglossodus White & Moy-Thomas, 1940 † · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Petalodontiformes (Order) > Petalodontiformes (awaiting allocation) (Family)

Glossognathus
 Glossognathus Rafinesque, 1818 accepted as Exoglossum Rafinesque, 1818 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
     Glossognathus Agassiz, 1845 accepted as Glossognathus Agassiz, 1845 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Catostomidae (Family)

Glossolepis
     Glossolepis Weber, 1907 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Atheriniformes (Order) > Melanotaeniidae (Family)
 Glossolepis Gilg, 1897 accepted as Chytranthus J.D. Hooker in Bentham & J.D. Hooker, 1862 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)

Glossoma
 Glossoma Silfvenius, 1904 accepted as Glossosoma Curtis, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Glossosomatidae (Family)
 Glossoma Schreber, 1791 accepted as Votomita Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Glossophora
     Glossophora Gray, 1831 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Hirudinoidea (awaiting allocation) (Order) > Hirudinoidea (awaiting allocation) (Family)
 Glossophora J.G. Agardh, 1882 accepted as Dictyota J.V.F. Lamouroux, 1809 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Dictyotales (Order) > Dictyotaceae (Family)

Glossophyllum
     Glossophyllum Wedekind, 1924 † · Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Cyathophyllidae (Family)
     Glossophyllum (Müller Hal.) Hampe, 1879 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnales (Order) > Stereophyllaceae (Family)
 Glossophyllum Kräusel, 1943 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Ginkgoopsida (Class) > Ginkgoales (Order) > Ginkgoales (awaiting allocation) (Family)

Glossopsis
 Glossopsis Bush, 1905 accepted as Hydroides Gunnerus, 1768 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Sabellida (Order) > Serpulidae (Family)
 Glossopsis Hessland, 1949 † accepted as Glossomorphites Hessland, 1953 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Tetradellidae (Family)

Glossopsittacus
 Glossopsittacus Reichenow, 1881 accepted as Glossopsitta Bonaparte, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Psittaciformes (Order) > Psittacidae (Family)
 Glossopsittacus Sundevall, 1872 accepted as Glossopsitta Bonaparte, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Psittaciformes (Order) > Psittacidae (Family)

Glossopteris
     Glossopteris A.T. Brongniart, 1828 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Rigbyales (Order) > Rigbyaceae (Family)
 Glossopteris J.G. Agardh, 1898 accepted as Cladodonta Skottsberg, 1923 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Delesseriaceae (Family)
 Glossopteris Rafinesque, 1815 accepted as Asplenium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Aspleniaceae (Family)
 Glossopteris (A.T. Brongniart) Sternberg, 1825 † accepted as Lepidophylloides N.S. Snigirevskaja, 1958 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lepidodendrales (Order) > Lepidodendrales (awaiting allocation) (Family)

Glossosalia
 Glossosalia Mesnil, 1950 accepted as Austrophorocera Townsend, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Glossosalia Mesnil, 1946 accepted as Glossosalia Mesnil, 1950 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Glossostoma
     Glossostoma Le Conte, 1851 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Turbellaria (awaiting allocation) (Order) > Turbellaria (awaiting allocation) (Family)
 Glossostoma Günther, 1900 accepted as Nelsonophryne Frost, 1987 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Microhylidae (Family)

Glossula
 Glossula J. Lindley, 1825 accepted as Habenaria Willdenow, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Glossula (Rafinesque) H.G.L. Reichenbach, 1837 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Piperales (Order) > Aristolochiaceae (Family)
 Glossula Johansen, 1914 accepted as Glossola Fowler, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Glossus
     Glossus Poli, 1795 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Glossidae (Family)
     Glossus Cossmann, 1886 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Glottidia
     Glottidia Bode, 1953 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Glottididae (Family)
     Glottidia Dall, 1870 · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Lingulidae (Family)

Glottis
     Glottis Koch, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
     Glottis Medikus, 1787 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Glottoptychinites
     Glottoptychinites Buckman, 1923 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)
 Glottoptychinites Dacque, 1934 † accepted as Glottoptychinites Buckman, 1923 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)

Gloveria
     Gloveria Packard, 1872 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lasiocampidae (Family)
     Gloveria M. Jordaan in M. Jordaan & A.E. van Wyk, 1998 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Celastrales (Order) > Celastraceae (Family)

Gloxinia
     Gloxinia L'Héritier in Aiton, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
 Gloxinia Regel, 1851 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)

Glutinaria
     Glutinaria H.F.A. Roussel, 1806 (uncertain)· Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
 Glutinaria Rafinesque, 1837 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Gluviella
 Gluviella Lawrence, 1956 accepted as Mumaella Harvey, 2002 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Solifugae (Order) > Daesiidae (Family)
     Gluviella Caporiacco, 1948 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Solifugae (Order) > Daesiidae (Family)

Glycemeris
 Glycemeris Gray, 1834 accepted as Glauconome Gray, 1828 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Glauconomidae (Family)
 Glycemeris Fleming, 1828 accepted as Glycimeris Lamarck, 1799 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Hiatellidae (Family)
 Glycemeris Parkinson, 1811 † accepted as Glycymeris Da Costa, 1778 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Arcida (Order) > Glycymerididae (Family)

Glycera
     Glycera Lamarck, 1818 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Glyceridae (Family)
     Glycera Haswell, 1879 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Uristidae (Family)

Glyceres
     Glyceres Peters, 1862 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Glyceridae (Family)
 Glyceres Griffith in Cuvier, 1833 accepted as Glyceres Griffith in Cuvier, 1833 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Glyceridae (Family)

Glycimeris
 Glycimeris Lamarck, 1801 accepted as Cyrtodaria Reuss, 1801 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Hiatellidae (Family)
 Glycimeris Lamarck, 1799 accepted as Panopea Ménard de la Groye, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Hiatellidae (Family)

Glycine
     Glycine Willdenow, 1802 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Glycine Linnaeus, 1753 accepted as Glycine Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Glyciphagus
 Glyciphagus Zoological Record, 1976 accepted as Glycyphagus Hering, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Glycyphagidae (Family)
 Glyciphagus Gervais, 1841 accepted as Glycyphagus Hering, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Glycyphagidae (Family)

Glycyphila
     Glycyphila Montagne, 1851 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Glycyphila Agassiz, 1846 accepted as Gliciphila Swainson, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Nectariniidae (Family)

Glyphaea
     Glyphaea J.D. Hooker, 1848 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Glyphaea Vosinsky, 1848 † accepted as Glyphea Meyer, 1835 † · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Glypheidae (Family)

Glyphidia
 Glyphidia Agassiz, 1846 accepted as Gluphisia Boisduval, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)
 Glyphidia Agassiz, 1846 [2] accepted as Acleris Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)

Glyphidium
 Glyphidium A. Massalongo, 1860 accepted as Arthonia E. Acharius, 1806 · Fungi (Kingdom) > Ascomycota (Phylum) > Arthoniomycetes (Class) > Arthoniales (Order) > Arthoniaceae (Family)
 Glyphidium Fresenius, 1865 accepted as · Chromista (Kingdom) > Miozoa (Phylum) > Noctiluciphyceae (Class) > Noctilucales (Order) > Protodiniferaceae (Family)

Glyphis
 Glyphis Carpenter, 1857 accepted as Diodora J.E. Gray, 1821 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Fissurellidae (Family)
     Glyphis Acharius, 1814 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)
     Glyphis Agassiz, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Carcharhinidae (Family)

Glyphisia
 Glyphisia Spuler in Hofmann-Spuler, 1903 accepted as Gluphisia Boisduval, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)
 Glyphisia Stephens, 1834 accepted as Acleris Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
     Glyphisia Stephens, 1829 accepted as Acleris Hübner, 1825 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)

Glyphithyreus
     Glyphithyreus Reuss, 1858 † accepted as Glyphithyreus Reuss, 1859 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Panopeidae (Family)
     Glyphithyreus Reuss, 1859 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Panopeidae (Family)

Glyphoderus
     Glyphoderus Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Glyphoderus Westwood, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Glyphodes
     Glyphodes Guenée, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)
     Glyphodes Guichenot, 1863 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Kyphosidae (Family)
     Glyphodes Inoue, Munroe & Mutuura, 1981 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)

Glyphodinium
     Glyphodinium Fresenius, 1865 (uncertain)· Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > (Order) > (Family)
 Glyphodinium C.A. Kofoid & O. Swezy, 1921 accepted as Pseliodinium Sournia, 1972 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gymnodiniales (Order) > Ceratoperidiniaceae (Family)

Glyphodiscus
     Glyphodiscus Fisher, 1917 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Valvatida (Order) > Goniasteridae (Family)
     Glyphodiscus Greville, 1862 · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)

Glyphodon
     Glyphodon Günther, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Elapidae (Family)
     Glyphodon Roth, 1899 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Litopterna (Order) > Proterotheriidae (Family)

Glyphopeltis
     Glyphopeltis Deiss, 1939 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Asaphida (awaiting allocation) (Family)
     Glyphopeltis F.A. Brusse, 1985 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Teloschistales (Order) > Physciaceae (Family)

Glyphorhynchus
 Glyphorhynchus Anon., 1832 accepted as Glyphorynchus Wied, 1831 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Furnariidae (Family)
 Glyphorhynchus Hällström & Luther in Luther, 1907 accepted as Catenula Dugès, 1832 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Catenulida (Order) > Catenulidae (Family)

Glyphosperma
 Glyphosperma S. Watson, 1883 accepted as Asphodelus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asphodelaceae (Family)
 Glyphosperma A. Meunier, 1910 accepted as Glyphospermopsis E.A. Molinari-Novoa & M.D. Guiry, 2021 · Plantae (Kingdom) > Chlorophyta (Phylum) > Pyramimonadophyceae (Class) > Pyramimonadales (Order) > Pterospermataceae (Family)

Glyphostoma
     Glyphostoma Gabb, 1873 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Clathurellidae (Family)
 Glyphostoma Böttger, 1909 accepted as Glyptostoma Bland & Binney, 1873 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Megomphicidae (Family)

Glyphus
     Glyphus Filhol, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pasiphaeidae (Family)
     Glyphus A. Milne-Edwards, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pasiphaeidae (Family)

Glypta
     Glypta Gravenhorst, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Glypta Hong, 1984 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Glyptaster
     Glyptaster Hall, 1852 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Glyptaster Sladen in Thomson & Murray, 1885 accepted as Neomorphaster Sladen, 1889 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Forcipulatida (Order) > Stichasteridae (Family)

Glyptatelus
     Glyptatelus Ameghino, 1897 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cingulata (Order) > Glyptodontidae (Family)
     Glyptatelus Ameghino, 1897, nom. nud. † accepted as Glyptatelus Ameghino, 1897 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cingulata (Order) > Glyptodontidae (Family)

Glyptelasma
     Glyptelasma Pilsbry, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Pedunculata (Order) > Poecilasmatidae (Family)
 Glyptelasma Iredale & Hull, 1925 accepted as Bassethullia Pilsbry, 1928 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Acanthochitonida (Order) > Acanthochitonidae (Family)

Glyptobasis
     Glyptobasis Koninck, 1881 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Glyptobasis Moure, 1941 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Glyptobasis McLachlan, 1871 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)

Glyptocephalus
     Glyptocephalus Agassiz, 1844 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Glyptocephalus Edwards, 1883 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Glyptocephalus Gottsche, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pleuronectiformes (Order) > Pleuronectidae (Family)
     Glyptocephalus Agassiz, 1841 † accepted as Glyptocephalus Agassiz, 1841 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Glyptoconus
     Glyptoconus Kennedy, 1980 † · Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Conodonta (awaiting allocation) (Order) > (Family)
     Glyptoconus Möllendorff, 1894 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Glyptocrinus
     Glyptocrinus Hall, 1847 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)
 Glyptocrinus Wachsmuth & Springer, 1881 † accepted as Glyptocrinus Hall, 1847 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)

Glyptoderma
     Glyptoderma R. Heim & Perreau-Bertrand, 1971 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Lycoperdaceae (Family)
     Glyptoderma Fitzinger, 1843 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Glyptoderus
 Glyptoderus Eichhoff, 1878 accepted as Glyptoderes Eichhoff, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Glyptoderus de la Ferté-Sénectère, 1851 accepted as Chlaenius Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Glyptoglossa
     Glyptoglossa Brenske, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Glyptoglossa Cooper, 1956 † accepted as Glyptoglossella Cooper, 1960 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Obolidae (Family)

Glyptognathus
     Glyptognathus Lydekker, 1882 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Glyptognathus Newberry, 1889 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Glyptognathus Woodward, 1891 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Glyptolepidium
     Glyptolepidium O. Heer, 1876 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Gymnospermae (awaiting allocation) (Class) > Gymnospermae (awaiting allocation) (Order) > Gymnospermae (awaiting allocation) (Family)
 Glyptolepidium (Heer) Sordelli, 1896 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinopsida (awaiting allocation) (Order) > Pinopsida (awaiting allocation) (Family)

Glyptolepis
     Glyptolepis Agassiz, 1844 † · Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Porolepiformes (Order) > Holoptychiidae (Family)
     Glyptolepis Agassiz, 1841 † accepted as Glyptolepis Agassiz, 1844 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Porolepiformes (Order) > Holoptychiidae (Family)
     Glyptolepis W.P. Schimper, 1870 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Voltziales (Order) > Voltziales (awaiting allocation) (Family)

Glyptomorpha
     Glyptomorpha Kormilev, 1977 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aradidae (Family)
     Glyptomorpha Holmgren, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Glyptonotus
     Glyptonotus A. Milne-Edwards, 1865 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Brachyura (awaiting allocation) (Family)
     Glyptonotus Eights, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Chaetiliidae (Family)

Glyptopleura
     Glyptopleura Girty, 1910 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Glyptopleuridae (Family)
     Glyptopleura D.C. Eaton in S. Watson, 1871 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Glyptopterus
     Glyptopterus Paulian, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hybosoridae (Family)
 Glyptopterus de Chaudoir, 1838 accepted as Pterostichus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Glyptoscelis
     Glyptoscelis Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Glyptoscelis Leconte, 1859 accepted as Glyptoscelis Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Glyptosphaera
     Glyptosphaera V.V. Kirjanov, 1978 † · Plantae (Kingdom) > Chlorophyta (Phylum) > Pyramimonadophyceae (Class) > Pseudoscourfieldiales (Order) > Pycnococcaceae (Family)
 Glyptosphaera Angelin, 1878 † accepted as Glyptosphaerites Müller, 1854 † · Animalia (Kingdom) > Echinodermata (Phylum) > Diploporita (Class) > Diploporita (awaiting allocation) (Order) > Diploporita (awaiting allocation) (Family)

Glyptostoma
 Glyptostoma Hervier, 1896 accepted as Glyphostoma Gabb, 1873 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Turridae (Family)
     Glyptostoma Bland & Binney, 1873 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Megomphicidae (Family)

Glyptothorax
     Glyptothorax Blyth, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Sisoridae (Family)
 Glyptothorax Borchmann, 1937 accepted as Borchmannius Bousquet & Bouchard, 2021 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Glyptotyphlus
 Glyptotyphlus Hölzel, 1944 accepted as Megatyphlus Coiffait, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Glyptotyphlus Scheerpeltz, 1956 accepted as Megatyphlus Coiffait, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Glyptotyphlus Scheerpeltz, 1940 accepted as Megatyphlus Coiffait, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Glyptus
 Glyptus Sowerby, 1916 accepted as Diodora J.E. Gray, 1821 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Fissurellidae (Family)
     Glyptus Brullé, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Glyptus Hoffmannsegg, 1818 accepted as Glyptus Hoffmannsegg, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Geotrupidae (Family)

Gmelina
     Gmelina Grimm in G.O. Sars, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Gammaridae (Family)
     Gmelina Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Gnamptodon
     Gnamptodon Haliday, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)
     Gnamptodon Haliday in Curtis, 1829-30 accepted as Gnamptodon Haliday, 1833 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)

Gnaphalium
     Gnaphalium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gnaphalium Adanson, 1763 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gnaphalocera
     Gnaphalocera Dejean, 1835 accepted as Gnaphalocera Chevrolat in D'Orbigny, 1845 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Gnaphalocera Chevrolat in D'Orbigny, 1845 accepted as Dorcasta Pascoe, 1858 (nomen oblitum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Gnaphalodes
 Gnaphalodes P. Miller, 1754 accepted as Actinobole Endlicher, 1843 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Gnaphalodes Thomson, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Gnaphalodes A. Gray, 1852 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gnathanthidium
     Gnathanthidium Pasteels, 1969 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Megachilidae (Family)
     Gnathanthidium Urban, 1992 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Megachilidae (Family)

Gnatho
     Gnatho Klug, 1810 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
     Gnatho Goldfuss, 1820 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Hirudinoidea (awaiting allocation) (Order) > Hirudinoidea (awaiting allocation) (Family)
 Gnatho Illiger, 1807 accepted as Tetracha Hope, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cicindelidae (Family)
 Gnatho Brulle, 1834 accepted as Megacephala Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cicindelidae (Family)
 Gnatho Curtis, 1829-30 accepted as Pteromalus Swederus, 1795 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)

Gnathocera
     Gnathocera Provancher, 1882 accepted as Sayapis Titus, 1905 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Megachilidae (Family)
     Gnathocera Kirby, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gnathodon
 Gnathodon Oken, 1816 accepted as Gnathanodon Bleeker, 1850 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
 Gnathodon G. B. Sowerby I, 1832 accepted as Rangia Desmoulins, 1832 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Mactridae (Family)
 Gnathodon Verrill, 1899 accepted as Odontaster Verrill, 1880 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Valvatida (Order) > Odontasteridae (Family)
     Gnathodon Jardine, 1845 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Columbiformes (Order) > Columbiformes (awaiting allocation) (Family)
     Gnathodon Robertson, 1903 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Megachilidae (Family)
     Gnathodon Streubel in Ersch & Gruber, 1842 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Odontophoridae (Family)

Gnathodus
     Gnathodus Pander, 1856 † · Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Ozarkodinida (Order) > Gnathodontidae (Family)
 Gnathodus Fieber, 1866 accepted as Balclutha Kirkaldy, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Gnatholymnaeum
 Gnatholymnaeum Csiki, 1928 accepted as Gnatholimnaeum Sharp, 1901-1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Gnatholymnaeum Sharp, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Gnathopaederus
 Gnathopaederus Chapin, 1927 accepted as Paederus Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gnathopaederus Wendeler, 1927 accepted as Paederus Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gnathophausia
 Gnathophausia Humbert, 1874 accepted as Gnathophausia Humbert, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Gnathophausia Willemoes-Suhm, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Lophogastrida (Order) > Gnathophausiidae (Family)

Gnathophorus
 Gnathophorus Schedl, 1935 accepted as Gnathophthorus Wood, 1967 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gnathophorus Kirby, 1837 accepted as Parandra Latreille, 1802 (junior objective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Gnathophyllum
     Gnathophyllum Latreille, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Gnathophyllidae (Family)
 Gnathophyllum Desmarest, 1823 accepted as Gnathophyllum Latreille, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Gnathophyllidae (Family)

Gnathopsis
 Gnathopsis accepted as Gnathophis Kaup, 1859 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Congridae (Family)
 Gnathopsis Leidy, 1852 † accepted as Megalonyx Jefferson, 1799 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Pilosa (Order) > Megalonychidae (Family)

Gnathosia
     Gnathosia Fischer de Waldheim, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Gnathosia Lacordaire, 1859 accepted as Dailognatha Steven, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gnathoxys
     Gnathoxys Westwood, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Gnathoxys Wesmael, 1844 accepted as Stenodontus Berthoumieu, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Gnesia
     Gnesia Doubleday in Doubleday & Westwood, 1848 accepted as Telchinia Hübner, 1819 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
     Gnesia Förster, 1868 accepted as Esigna Perkins, 1962 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Gnidia
     Gnidia Koch, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Cosmetidae (Family)
     Gnidia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Thymelaeaceae (Family)
     Gnidia Gumppenberg, 1890 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gnidiella
 Gnidiella Roewer, 1957 accepted as Perugnidiella Cianferoni & Ceccolini, 2021 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Cosmetidae (Family)
 Gnidiella Parker, 1949 accepted as Chionopsis Olsson, 1932 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)

Gnoma
     Gnoma Fabricius, 1801 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Gnoma Latreille, 1820 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)

Gnomonia
     Gnomonia Cesati & De Notaris, 1863 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Gnomoniaceae (Family)
 Gnomonia Lunell, 1915 accepted as Festuca Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Gnomoniopsis
 Gnomoniopsis Berlese, 1892 accepted as Gnomonia Cesati & De Notaris, 1863 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Gnomoniaceae (Family)
 Gnomoniopsis Stoneman, 1898 accepted as Glomerella Spaulding & H. von Schrenk, 1903 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetidae incertae sedis (Order) > Glomerellaceae (Family)

Gnomus
     Gnomus C.O. Andrino & P.T. Sano in Andrino et al., 2023 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Eriocaulaceae (Family)
     Gnomus Clarke & Oberprieler, 2019 † accepted as (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Mesophyletidae (Family)

Gnophaela
 Gnophaela Herrich-Schäffer, 1856 accepted as Paraethria Hampson, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
     Gnophaela Walker, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Gnophaëla
 Gnophaëla Walker, 1854 accepted as Gnophaela Walker, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Gnophaëla Herrich-Schäffer, 1856 accepted as Paraethria Hampson, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Gnopherus
     Gnopherus Stål, 1872 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Gnopherus Andrewes, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Gnophodes
 Gnophodes Andrewes, 1923 accepted as Gnopherus Andrewes, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Gnophodes Doubleday in Doubleday & Westwood, 1849 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)

Gnorimus
     Gnorimus Lepeletier & Serville, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Gnorimus Chaudri, 1975 accepted as Lasioseius Berlese, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Ascidae (Family)

Gnostus
     Gnostus Fieber, 1858 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
     Gnostus Westwood, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)

Gnotus
     Gnotus Förster, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
 Gnotus Simon, 1896 accepted as Gnolus Simon, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Mimetidae (Family)

Goajiria
 Goajiria Marcuzzi, 1986 accepted as Goajiria Ivie & Hart, 2016 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Goajiria Ivie & Hart, 2016 accepted as Diastolinus Mulsant & Rey, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gobia
 Gobia Reinke, 1889 accepted as Dictyosiphon Greville, 1830 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Ectocarpales (Order) > Scytosiphonaceae (Family)
 Gobia K.B. Kordé in B.A. Trofimov, 1977 † accepted as · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Oscillatoriales (Order) > Oscillatoriaceae (Family)
 Gobia N.M. Makulbekov, 1988 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Cupressales (Order) > Cupressaceae (Family)

Gobiates
     Gobiates Spinar, 1983 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Lissamphibia (awaiting allocation) (Order) > Lissamphibia (awaiting allocation) (Family)
     Gobiates Spinar & Tatarinov, 1986 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Lissamphibia (awaiting allocation) (Order) > Lissamphibia (awaiting allocation) (Family)

Gobiella
     Gobiella Szczechura, 1978 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)
 Gobiella Smith, 1931 accepted as Gobiopterus Bleeker, 1874 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)
     Gobiella Balogh & Mahunka, 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Thyrisomidae (Family)
     Gobiella Martinson, 1975 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Trigoniida (Order) > Trigoniida (awaiting allocation) (Family)
     Gobiella L. Cienkowsky, 1882 · Chromista (Kingdom) > Cercozoa (Phylum) > Vampyrellidea (Class) > Vampyrellida (Order) > Vampyrellidae (Family)

Gobileptes
 Gobileptes Swainson, 1839 accepted as Apocryptes Valenciennes in Cuvier & Valenciennes, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)
 Gobileptes Bleeker, 1874 accepted as Apocryptes Valenciennes in Cuvier & Valenciennes, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)

Gobindonema
     Gobindonema Sood & Parshad, 1974 † · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Heligmonellidae (Family)
 Gobindonema Khera, 1970 accepted as Koerneria Meyl, 1960 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Diplogasterida (Order) > Diplogasteridae (Family)

Gobio
     Gobio Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Gobio Bertrand, 1763 accepted as Gobio Bertrand, 1763 · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces incertae sedis (Family)
 Gobio Klein, 1779 accepted as Gobius Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)
 Gobio Walbaum, 1792 accepted as Gobius Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)

Gobioceras
     Gobioceras Bai, Meng, Zhang, Gong & Wang, 2020 † accepted as Gobicerops Bai, Meng, Zhang, Gong & Wang, 2021 † (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Perissodactyla (Order) > Forstercooperiidae (Family)
     Gobioceras Bogoslovskaya in Bogoslovskaya & Pavlova, 1988 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Cephalopoda (awaiting allocation) (Order) > Cephalopoda (awaiting allocation) (Family)

Gobiocypris
     Gobiocypris Khand, 1974 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)
     Gobiocypris Ye & Fu, 1983 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Gobiodon
     Gobiodon Bleeker, 1856 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)
 Gobiodon Trofimov, 1980 † accepted as Gobiotheriodon Trofimov, 1997 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Eutriconodonta (Order) > Amphidontidae (Family)

Gobiosoma
     Gobiosoma Girard, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)
     Gobiosoma Klunzinger, 1871 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Gobiosoma Dybowski, 1872 accepted as Saurogobio Bleeker, 1870 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Godartia
 Godartia Chenu, 1851 accepted as Pycnosiphorus Solier in Gay, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lucanidae (Family)
     Godartia Lucas, 1842 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Godfrinia
     Godfrinia Kieffer, 1911 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Godfrinia Maire, 1902 accepted as Hygrocybe (E.M. Fries) P. Kummer, 1871 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Hygrophoraceae (Family)

Godlewskia
     Godlewskia Westerlund, 1902 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Amnicolidae (Family)
     Godlewskia Crosse & Fischer, 1879 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Amnicolidae (Family)
     Godlewskia Clessin, 1883 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)
 Godlewskia Janczewski, 1883 accepted as Chamaesiphon A. Braun in L. Rabenhorst, 1864 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Synechococcales (Order) > Chamaesiphonaceae (Family)

Godmania
     Godmania W.B. Hemsley, 1879 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Bignoniaceae (Family)
     Godmania Skinner & Ramsden, 1923 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Godmania Horváth, 1919 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Godwinia
 Godwinia B.C. Seemann, 1869 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)
     Godwinia Sykes, 1900 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Zonitidae (Family)

Goedartia
     Goedartia Boie in Krøyer, 1841 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
 Goedartia Bezzi in Becker-Kertész, 1907 accepted as Goedartia Bezzi in Becker-Kertész, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Goedartia Bezzi & Stein, 1907 accepted as Gaedartia Robineau-Desvoidy, 1863 (unjustified emendation)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Goeldia
     Goeldia Keyserling, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Titanoecidae (Family)
 Goeldia Theobald, 1903 accepted as Shannoniana Lane & Cerqueira, 1942 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)

Goeppertia
 Goeppertia K.B. Presl in Sternberg, 1838 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiidae (awaiting allocation) (Order) > Polypodiidae (awaiting allocation) (Family)
     Goeppertia C.G.D. Nees, 1831 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Marantaceae (Family)
 Goeppertia C.G.D. Nees, 1836 accepted as Endlicheria C.G.D. Nees, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Lauraceae (Family)
 Goeppertia Grisebach, 1862 accepted as Bisgoeppertia O. Kuntze, 1891 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)

Goera
     Goera Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Goeridae (Family)
     Goera Leach, 1815 accepted as Goera Stephens, 1829 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Goeridae (Family)

Goethalsia
     Goethalsia Pittier, 1914 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
     Goethalsia Nelson, 1912 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)

Goetzea
     Goetzea Wydler, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Solanaceae (Family)
 Goetzea H.G.L. Reichenbach, 1829 accepted as Goetzea H.G.L. Reichenbach, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Goetzia
 Goetzia de Blainville, 1828 accepted as Goezia Zeder in Goeze, 1800 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Anisakidae (Family)
 Goetzia Mikšič, 1963 accepted as Protaetia Burmeister, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Goezia
     Goezia Mozgovoi in Skrjabin, Shikhobalova & Mozgovoi, 1951 (uncertain)· Animalia (Kingdom) > Nematoda (Phylum) > Nematoda (awaiting allocation) (Class) > Nematoda (awaiting allocation) (Order) > Nematoda (awaiting allocation) (Family)
     Goezia Zeder in Goeze, 1800 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Anisakidae (Family)

Gogana
     Gogana Walker, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Drepanidae (Family)
     Gogana Walker, 1866 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Goidanichia
 Goidanichia Tomaselli & Ciferri, 1952 accepted as Staurothele Norman, 1853 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Verrucariales (Order) > Verrucariales incertae sedis (Family)
 Goidanichia G. Arnaud, 1954 accepted as Haplographium M.J. Berkeley & C.E. Broome, 1859 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Amicodiscaceae (Family)

Goidanichiella
     Goidanichiella G.L. Barron ex W. Gams in Gams, Seifert & Morgan-Jones, 2009 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Goidanichiella G. Arnaud, 1954 accepted as Goidanichiella G.L. Barron ex W. Gams in Gams, Seifert & Morgan-Jones, 2009 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Goidanichiella G. Arnaud ex G.L. Barron, 1968 accepted as Goidanichiella G.L. Barron ex W. Gams in Gams, Seifert & Morgan-Jones, 2009 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Goidanichiella G.L. Barron ex W. Gams in Gams, Steiman & Seigle-Murandi, 1990 accepted as Goidanichiella G.L. Barron ex W. Gams in Gams, Seifert & Morgan-Jones, 2009 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Goldbachia
     Goldbachia A.P. de Candolle, 1821 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Goldbachia Trinius in K.P.J. Sprengel, 1821 accepted as Arundinella Raddi, 1823 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Goldenbergia
     Goldenbergia Scudder, 1885 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Palaeodictyoptera (Order) > Palaeodictyoptera (awaiting allocation) (Family)
     Goldenbergia T.G. Halle, 1933 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Pteridospermopsida (awaiting allocation) (Order) > Pteridospermopsida (awaiting allocation) (Family)

Goldfussia
     Goldfussia Castelnau, 1843 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Goldfussia Norman, 1891 (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Goldfussia C.G.D. Nees in Wallich, 1832 accepted as Strobilanthes Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Goldia
     Goldia Dubatolov & Korshunov, 1990 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)
 Goldia Theobald, 1903 accepted as Shannoniana Lane & Cerqueira, 1942 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
 Goldia Keyserling, 1891 accepted as Goeldia Keyserling, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Titanoecidae (Family)

Göldia
 Göldia Keyserling, 1891 accepted as Goeldia Keyserling, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Titanoecidae (Family)
 Göldia Theobald, 1903 accepted as Shannoniana Lane & Cerqueira, 1942 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)

Goldmania
 Goldmania J.N. Rose in M. Micheli, 1903 accepted as Microlobius K.B. Presl, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Goldmania Greenman, 1907 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Goldmania Nelson, 1911 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)

Goldnerara
     Goldnerara J. Dunkelberger, 2009 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Goldnerara J. Dunkelberger, 2010 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Goliathinus
     Goliathinus Westwood, 1874 accepted as Fornasinius Bertoloni, 1853 (junior objective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Goliathinus Thomson, 1880 accepted as Fornasinius Bertoloni, 1853 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Golumnia
     Golumnia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Golumnia J.M.H. Shaw, 2004 accepted as Golumnia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gomara
 Gomara Adanson, 1763 accepted as Crassula Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Crassulaceae (Family)
 Gomara Ruiz & Pavon, 1794 accepted as Sanango Bunting & Duke, 1961 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)

Gomenkoa
     Gomenkoa J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gomenkoa W. Savage & J.M.H. Shaw, 2004 accepted as Gomenkoa J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gomesia
 Gomesia C.P.J. Sprengel, 1826 accepted as Gomesa R. Brown in J. Sims, 1815 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Gomesia La Llave, 1838 accepted as Gomesia La Llave, 1838 (nomen nudum)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gomezia
 Gomezia G. Bentham & J.D. Hooker, 1873 accepted as Gomesia La Llave, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gomezia F.G. Bartling, 1830 accepted as Gomesa R. Brown in J. Sims, 1815 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gomezia J.C.B. Mutis, 1821 accepted as Nertera Banks ex J. Gaertner, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Gomezina
     Gomezina J.M.H. Shaw, 2010 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gomezina Chardón & Toro, 1934 accepted as Aphanostigme H. Sydow, 1926 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Pseudoperisporiaceae (Family)

Gomguezia
     Gomguezia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gomguezia J.M.H. Shaw, 2004 accepted as Gomguezia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gomphiocephalus
 Gomphiocephalus Verhoeff, 1943 accepted as Gomphiulus Mauriès, 1970 · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Julida (Order) > Blaniulidae (Family)
     Gomphiocephalus Carpenter, 1908 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Poduromorpha (Order) > Hypogastruridae (Family)

Gomphites
     Gomphites Tillyard, 1925 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Protodonata (Order) > Protodonata (awaiting allocation) (Family)
     Gomphites Handlirsch in Schroeder, 1920 † accepted as Gomphites Handlirsch in Schroeder, 1920 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Protodonata (Order) > Protodonata (awaiting allocation) (Family)
     Gomphites Carter, 1871 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Hadromerida (Order) > Hadromerida (awaiting allocation) (Family)

Gomphoceratites
     Gomphoceratites d'Archiac & de Verneuil, 1842 † accepted as Gomphoceratites d'Archiac & de Verneuil, 1842 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gomphoceratites Steininger, 1849 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gomphocerus
     Gomphocerus Herrmannsen, 1852 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gomphocerus Thunberg, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
 Gomphocerus Fischer de Waldheim, 1848 † accepted as Gomphocerus Fischer de Waldheim, 1848 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Cephalopoda (awaiting allocation) (Order) > Cephalopoda (awaiting allocation) (Family)

Gomphodus
 Gomphodus Pander, 1856 † accepted as Gomphonchus Gross, 1971 † · Animalia (Kingdom) > Chordata (Phylum) > Acanthodii (Class) > Climatiiformes (Order) > Climatiiformes (awaiting allocation) (Family)
     Gomphodus Reuss, 1846 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Gomphogaster
 Gomphogaster Vorce, 1888 accepted as Ploesoma Herrick, 1885 · Animalia (Kingdom) > Rotifera (Phylum) > Monogononta (Class) > Ploima (Order) > Synchaetidae (Family)
     Gomphogaster O.K. Miller, 1973 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Gomphidiaceae (Family)

Gomphonema
     Gomphonema Ehrenberg, 1832 · Chromista (Kingdom) > Bacillariophyta (Phylum) > Bacillariophyceae (Class) > Cymbellales (Order) > Gomphonemataceae (Family)
 Gomphonema C.A. Agardh, 1824 accepted as Didymosphenia M. Schmidt in A. Schmidt, 1899 · Chromista (Kingdom) > Bacillariophyta (Phylum) > Bacillariophyceae (Class) > Cymbellales (Order) > Gomphonemataceae (Family)

Gomphos
 Gomphos O. Kuntze, 1891 accepted as Cortinarius (Persoon) S.F. Gray, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Cortinariaceae (Family)
     Gomphos Shevyreva, 1975 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mixodontia (Order) > Eurymylidae (Family)

Gomphostylis
 Gomphostylis Wallich ex Lindley, 1830 accepted as Gomphostylis Wallich ex Lindley, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Gomphostylis Rafinesque, 1837 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)

Gomphotherium
     Gomphotherium Cope, 1886 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Camelidae (Family)
     Gomphotherium Malkani, 2019 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Proboscidea (Order) > (Family)
     Gomphotherium Burmeister, 1837 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Proboscidea (Order) > Gomphotheriidae (Family)
 Gomphotherium Schlosser, 1890 † accepted as Gomphotherium Schlosser, 1890 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Soricomorpha (Order) > Talpidae (Family)

Gomphus
     Gomphus Persoon, 1797 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Gomphales (Order) > Gomphaceae (Family)
     Gomphus Leach, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Gomphidae (Family)
 Gomphus (E.M. Fries) Weinmann, 1826 accepted as Gomphidius E.M. Fries, 1836 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Gomphidiaceae (Family)

Gomtiotrema
 Gomtiotrema Gupta, 1955 accepted as Azygia Looss, 1899 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Azygiida (Order) > Azygiidae (Family)
 Gomtiotrema Sinha, 1934 accepted as Plasmiorchis Mehra, 1934 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Strigeidida (Order) > Spirorchiidae (Family)

Gonatas
     Gonatas Distant, 1882 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lygaeidae (Family)
     Gonatas Kaup, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Passalidae (Family)

Gonatocerus
     Gonatocerus Nees, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Mymaridae (Family)
 Gonatocerus Schaufuss, 1880 accepted as Briara Reitter, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gonatonotus
 Gonatonotus A. Milne-Edwards, 1881 accepted as Eugonatonotus Schmitt, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Eugonatonotidae (Family)
     Gonatonotus White, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pilumnidae (Family)

Gonatopus
     Gonatopus Ljungh in Weber & Mohr, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Dryinidae (Family)
     Gonatopus J.D. Hooker ex Engler in Alph. de Candolle & A.C. de Candolle, 1879 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)

Gondwanella
     Gondwanella Chandra & Betekhtina, 1990 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pterioida (Order) > Pterioida (awaiting allocation) (Family)
     Gondwanella Betekhtina, 1990 † accepted as (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myalinida (Order) > Naiaditidae (Family)

Gondwania
     Gondwania U. Søchting, P. Frödén & U. Arup in Arup, Søchting & Frödén, 2013 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Teloschistales (Order) > Teloschistaceae (Family)
     Gondwania Bardashev, Weddige & Ziegler, 2002 † · Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Ozarkodinida (Order) > Eognathodidae (Family)

Gondwanocrypticus
     Gondwanocrypticus Español Coll, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Gondwanocrypticus Koch, 1950 accepted as Gondwanocrypticus Español Coll, 1955 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gondwanotrichomyia
 Gondwanotrichomyia Duckhouse, 1980 accepted as Gondwanotrichomyia Duckhouse, 1985 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Psychodidae (Family)
 Gondwanotrichomyia Duckhouse, 1985 accepted as Trichomyia Haliday in Curtis, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Psychodidae (Family)

Gondwanoxylon
 Gondwanoxylon H.K. Maheshwari in R. Kräusel, P.K. Maithy & H.K. Maheshwari, 1962 † accepted as Gondwanoxylon H.K. Maheshwari in R. Kräusel, P.K. Maithy & H.K. Maheshwari, 1962 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Gymnospermae (awaiting allocation) (Class) > Gymnospermae (awaiting allocation) (Order) > Gymnospermae (awaiting allocation) (Family)
 Gondwanoxylon S. Saksena, 1963 † accepted as Gondwanoxylon S. Saksena, 1963 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Gymnospermae (awaiting allocation) (Class) > Gymnospermae (awaiting allocation) (Order) > Gymnospermae (awaiting allocation) (Family)

Gonginia
     Gonginia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gonginia J.M.H. Shaw, 2004 accepted as Gonginia J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gongroneura
     Gongroneura Enderlein, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
     Gongroneura Jacobi in Sjöstedt, 1910 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Membracidae (Family)

Gongylis
     Gongylis N. Hoffmann, 1970 † accepted as (nomen dubium)· Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > (Order) > (Family)
     Gongylis Theophrastus ex E.A. Molinari-Novoa & C. Sánchez Ocharan, 2016 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Gongylus
     Gongylus Wagler, 1830 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)
     Gongylus Thunberg, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Empusidae (Family)

Gonia
     Gonia Meigen, 1803 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Gonia Heinemann, 1870 accepted as Deuterogonia Rebel in Staudinger & Rebel, 1901 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Oecophoridae (Family)

Goniaea
     Goniaea Stål, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
 Goniaea Hendel, 1909 accepted as Goniaeola Hendel, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Ulidiidae (Family)

Goniaeolis
     Goniaeolis M. Sars, 1861 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Goniaeolididae (Family)
 Goniaeolis Odhner, 1922 accepted as Gonieolis M. Sars, 1861 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Goniaeolididae (Family)

Gonianthes
 Gonianthes A. Richard in Sagra, 1850 accepted as Cubanola A. Aiello, 1979 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
     Gonianthes Blume, 1823 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Dioscoreales (Order) > Burmanniaceae (Family)

Goniapteryx
     Goniapteryx Perty, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Goniapteryx Westwood, 1840 accepted as Gonepteryx Leach, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)

Goniaspidius
     Goniaspidius Périguey, 1902 accepted as Rectoscutaria Schein, 1958 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Goniaspidius Burmeister, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Goniloba
     Goniloba Westwood in Doubleday & Westwood, 1852 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Goniloba M.H.J. van der Meer, 2019 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asphodelaceae (Family)

Goniobatis
 Goniobatis Agassiz, 1858 accepted as Aetobatus Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Myliobatiformes (Order) > Myliobatidae (Family)
     Goniobatis Le Hon, 1871 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Goniocara
     Goniocara Hay, 1929 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Goniocara Uvarov, 1953 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Goniocarabus
 Goniocarabus Reitter, 1896 accepted as Cancellocarabus Lučnik, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Goniocarabus Géhin, 1885 accepted as Carabus Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Goniocephala
     Goniocephala Chevrolat in D'Orbigny, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Erotylidae (Family)
     Goniocephala Chevrolat in Dejean, 1836 accepted as Goniocephala Chevrolat in D'Orbigny, 1845 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Erotylidae (Family)

Goniocephalus
 Goniocephalus Kaup, 1827 accepted as Gonocephalus Kaup, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Agamidae (Family)
     Goniocephalus Broili, 1913 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Goniocephalus Le Guillou, 1844 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Goniocerus
     Goniocerus Malaise, 1942 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Goniocerus Dalla Torre, 1898 accepted as Goniocerus Dalla Torre, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Eulophidae (Family)
 Goniocerus Douglas & Scott, 1876 accepted as Goniocerus Douglas & Scott, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coreidae (Family)
 Goniocerus Motschoulsky, 1868 accepted as Genyocerus Motschoulsky, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Goniochilus
     Goniochilus M.W. Chase, 1987 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Goniochilus Sandberger, 1875 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)
     Goniochilus Harold, 1878 accepted as Oplostomus McLeay in Smith, 1838 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gonioclymenia
     Gonioclymenia Hyatt, 1884 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Clymeniida (Order) > Gonioclymeniidae (Family)
 Gonioclymenia Wedekind, 1908 † accepted as Gonioclymenia Hyatt, 1884 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Clymeniida (Order) > Gonioclymeniidae (Family)

Goniocoelia
 Goniocoelia Hall, 1861 † accepted as Pentagonia Cozzens, 1846 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Meristellidae (Family)
     Goniocoelia Etallon, 1858 (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)

Gonioctena
     Gonioctena Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Gonioctena Redtenbacher in Huegel, 1844 accepted as Gonioctena Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Goniodactylus
     Goniodactylus Gray, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gekkonidae (Family)
 Goniodactylus Kuhl in Férussac, 1826 accepted as Gonydactylus Kuhl & Hasselt, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gekkonidae (Family)

Goniodera
     Goniodera Agassiz, 1846 accepted as Goniadera Perty, 1832 (unjustified emendation)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Goniodera Laporte, 1840 accepted as Goniadera Perty, 1832 (misspelling - incorrect subsequent spelling)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Goniodes
     Goniodes Nitzsch, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Philopteridae (Family)
 Goniodes Stephens, 1829 accepted as Lomechusa Gravenhorst, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Goniodiscus
     Goniodiscus Waagen, 1895-96 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Prionitidae (Family)
     Goniodiscus Clessin in Pfeiffer, 1881 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Endodontidae (Family)
     Goniodiscus Kuhlmann, 1933 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Celastrales (Order) > Celastraceae (Family)
 Goniodiscus Raymond, 1913 † accepted as Calodiscus Howell, 1935 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Agnostida (Order) > Calodiscidae (Family)
 Goniodiscus Müller & Troschel, 1842 accepted as Culcita Agassiz, 1836 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Valvatida (Order) > Oreasteridae (Family)

Goniodoma
     Goniodoma Zeller, 1849 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Coleophoridae (Family)
 Goniodoma Stein, 1883 accepted as Scrippsiella E. Balech ex A.R. Loeblich III, 1965 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Thoracosphaerales (Order) > Thoracosphaeraceae (Family)

Goniodon
     Goniodon Herrick, 1888 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Goniodon Perrier, 1894 accepted as Diplodontias Fisher, 1908 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Valvatida (Order) > Odontasteridae (Family)

Goniodus
 Goniodus Agassiz, 1836 accepted as Echinorhinus Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Echinorhinidae (Family)
     Goniodus Dunker, 1848 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Goniodus Newberry, 1890 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Goniognathus
 Goniognathus Kraatz, 1883 accepted as Carabus Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Goniognathus Bergroth, 1920 accepted as Goniognathus Bergroth, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
     Goniognathus Agassiz, 1841 † accepted as Goniognathus Agassiz, 1841 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Goniogyra
     Goniogyra Agassiz, 1845 accepted as Goniogyra Agassiz, 1845 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Goniogyra Kittl, 1894 † accepted as Goniospira Cossmann, 1895 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)

Gonioma
     Gonioma E.H.F. Meyer, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)
     Gonioma Turner, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Xyloryctidae (Family)

Goniomorpha
     Goniomorpha Carter in Carter, Altaba, Anderson et al., 2011 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Modiomorphoida (Order) > Modiomorphidae (Family)
     Goniomorpha Yin, 1986 † · Animalia (Kingdom) > Priapulida (Phylum) > Palaeoscolecida (Class) > (Order) > (Family)

Gonionema
 Gonionema Hargitt, 1902 accepted as Gonionemus A. Agassiz, 1862 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Magapiidae (Family)
     Gonionema Koken, 1896 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gonionema Nylander, 1855 accepted as Thermutis E.M. Fries, 1825 · Fungi (Kingdom) > Ascomycota (Phylum) > Lichinomycetes (Class) > Lichinales (Order) > Lichinaceae (Family)

Gonionotus
 Gonionotus Mocquard, 1889 accepted as Gonionotophis Boulenger, 1893 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Lamprophiidae (Family)
     Gonionotus Gray in Stokes, 1846 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Gonionotus Marshall, 1868 accepted as Gonionotus Marshall, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lygaeidae (Family)

Goniophlebium
     Goniophlebium K.B. Presl ex Pichi Sermolli, 1973 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)
     Goniophlebium (Blume) K.B. Presl, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)

Goniophora
     Goniophora Phillips, 1848 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Modiomorphoida (Order) > Modiomorphidae (Family)
 Goniophora Jeffreys, 1883 accepted as Tropidomya Dall & E. A. Smith, 1886 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pholadomyoida (Order) > Cuspidariidae (Family)

Goniopleura
     Goniopleura Hawle & Corda, 1847 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Goniopleura Westwood, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Goniopsis
     Goniopsis De Haan, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Grapsidae (Family)
     Goniopsis Duda, 1929 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chloropidae (Family)
     Goniopsis Melichar, 1899 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Nogodinidae (Family)

Goniopsyllus
 Goniopsyllus Baker, 1905 accepted as Notiopsylla Jordan & Rothschild, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Siphonaptera (Order) > Pygiopsyllidae (Family)
     Goniopsyllus Brady, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Peltidiidae (Family)

Goniopterus
 Goniopterus Agassiz, 1846 accepted as Gonipterus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Goniopterus Gemminger & Harold, 1871 accepted as Gonipterus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Goniopteryx
 Goniopteryx Agassiz, 1846 accepted as Goniapteryx Perty, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Goniopteryx Wallengren, 1853 accepted as Gonepteryx Leach, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)

Goniopugettia
     Goniopugettia Davie & Ng, 2024 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)
     Goniopugettia Sakai, 1986 accepted as Goniopugettia Davie & Ng, 2024 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)
     Goniopugettia Ng, Guinot & Davie, 2008 accepted as Goniopugettia Davie & Ng, 2024 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)

Goniorhynchus
     Goniorhynchus Hampson, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)
     Goniorhynchus Olson, 1970 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Microsauria (Order) > Gymnarthridae (Family)

Goniosoma
     Goniosoma Conrad, 1869 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Goniosoma Perty, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
 Goniosoma A. Milne-Edwards, 1861 accepted as Charybdis De Haan in Siebold, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Portunidae (Family)
 Goniosoma Costa, 1844 accepted as Argentina Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Argentiniformes (Order) > Argentinidae (Family)

Goniospira
 Goniospira Donald, 1902 † accepted as Donaldiella Cossmann, 1903 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda incertae sedis (Order) > Lophospiridae (Family)
     Goniospira Cossmann, 1895 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
 Goniospira Girty, 1915 † accepted as Goniasma Tomlin, 1930 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Coenogastropoda incertae sedis (Order) > Goniasmatidae (Family)

Goniostoma
     Goniostoma Adams, 1860 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Goniostoma Villa, 1841 accepted as Rissoa Desmarest, 1814 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Rissoidae (Family)

Goniosupradens
     Goniosupradens Davie & Ng, 2024 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Portunidae (Family)
     Goniosupradens Leene, 1938 accepted as Goniosupradens Davie & Ng, 2024 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Portunidae (Family)
     Goniosupradens Davie, 2002 accepted as Goniosupradens Davie & Ng, 2024 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Portunidae (Family)

Goniothorax
     Goniothorax Sharp, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Nitidulidae (Family)
     Goniothorax A. Milne-Edwards, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)
     Goniothorax Emery, 1896 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Goniothyris
     Goniothyris Buckman, 1918 · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Terebratulidae (Family)
     Goniothyris Buckman, 1914 † accepted as Goniothyris Buckman, 1918 (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Hegathyridae (Family)

Gonipterus
     Gonipterus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gonipterus Schönherr, 1833, nom. nud. accepted as Gonipterus Schönherr, 1833 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gonipterus Gerstaecker, 1860 accepted as Guioperus Perty, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Goniurus
     Goniurus Hübner, 1819 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Goniurus K.B. Presl, 1851 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)
     Goniurus Raymond, 1913 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Proetida (Order) > Bathyuridae (Family)

Gonocarpus
     Gonocarpus Thunberg, 1783 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Haloragaceae (Family)
 Gonocarpus W. Hamilton, 1825 accepted as Combretum Loefling, 1758 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Combretaceae (Family)

Gonocephalum
     Gonocephalum Solier, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Gonocephalum Chevrolat, 1849 accepted as Gonocephalum Solier, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gonocephalus
     Gonocephalus Kaup, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Agamidae (Family)
 Gonocephalus Keller, 1937 accepted as Goniodes Nitzsch, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Goniodidae (Family)
 Gonocephalus Kner, 1855 accepted as Clarotes Kner, 1855 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Bagridae (Family)
 Gonocephalus Gronow in Gray, 1854 accepted as Dactylopterus Lacepède, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Dactylopteridae (Family)
     Gonocephalus Nitzsch in Giebel, 1861 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Phthiraptera (awaiting allocation) (Family)

Gonocleonus
     Gonocleonus Chevrolat, 1873 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gonocleonus Marseul, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gonocnemis
     Gonocnemis Thomson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Gonocnemis Lacordaire, 1866 accepted as Physoproctus Lacordaire, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gonodactylus
     Gonodactylus Gray, 1830 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Gonodactylus (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Callianassidae (Family)
     Gonodactylus Berthold in Latreille, 1827 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Stomatopoda (Order) > Gonodactylidae (Family)

Gonodes
     Gonodes Hampson, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Gonodes Druce, 1908 accepted as Gonodes Hampson, 1909 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Gonodon
     Gonodon Held, 1837 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gonodon Schafhäutl, 1863 † accepted as Schafthautlia Cossmann, 1897 † · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gonoleptes
 Gonoleptes Gray, 1833 accepted as Gonyleptes Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
 Gonoleptes Sundevall, 1833 accepted as Gonyleptes Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Gonoleptus
 Gonoleptus Berthold in Latreille, 1827 accepted as Gonyleptes Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
 Gonoleptus Erichson, 1845 accepted as Gonyleptes Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Gonomyella
     Gonomyella Meunier, 1899 accepted as Gonomyiella Meunier, 1899 (misspelling - incorrect original spelling)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tipulidae (Family)
 Gonomyella Alexander, 1917 accepted as Progonomyia Alexander, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
     Gonomyella Alexander, 1916 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Gonomyiella
     Gonomyiella Kuntze, 1919 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tipulidae (Family)
 Gonomyiella Meunier, 1899 accepted as Ormosia Rondani, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Limoniidae (Family)

Gononema
     Gononema Kuckuck & Skottsberg, 1921 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Ectocarpales (Order) > Chordariaceae (Family)
 Gononema Fowler in Lankester, 1900 accepted as Gonionemus A. Agassiz, 1862 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Magapiidae (Family)

Gonophora
     Gonophora Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Gonophora Guérin-Méneville, 1844 accepted as Gonophora Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Gonophora Bruand, 1845 accepted as Habrosyne Hübner, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Drepanidae (Family)

Gonoptera
     Gonoptera Berthold in Latreille, 1827 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Gonoptera Billberg, 1820 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)
 Gonoptera Turczaninow, 1847 accepted as Bulnesia C. Gay, 1846 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zygophyllales (Order) > Zygophyllaceae (Family)

Gonopterus
 Gonopterus Gronow in Gray, 1854 accepted as Zanclus Cuvier in Cuvier & Valenciennes, 1831 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Zanclidae (Family)
     Gonopterus Solier, 1843 accepted as Somaticus Hope, 1840 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Gonorhynchus
 Gonorhynchus McClelland, 1839 accepted as Crossocheilus Kuhl & van Hasselt in van Hasselt, 1823 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Gonorhynchus Scopoli, 1777 accepted as Gonorynchus Gronow, 1763 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gonorynchiformes (Order) > Gonorynchidae (Family)

Gonorynchus
     Gonorynchus Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gonorynchiformes (Order) > Gonorynchidae (Family)
 Gonorynchus Gronow, 1763 accepted as · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gonorynchiformes (Order) > Gonorynchidae (Family)

Gonostoma
     Gonostoma Held, 1837 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gonostoma Binney, 1878 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gonostoma Adams, 1854 accepted as Gonostoma Adams, 1854 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Rissoidae (Family)
     Gonostoma Rafinesque, 1810 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Stomiiformes (Order) > Gonostomatidae (Family)
 Gonostoma van Hasselt, 1823 accepted as Anodontostoma Bleeker, 1849 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Clupeiformes (Order) > Clupeidae (Family)

Gonotheca
 Gonotheca Rafinesque, 1818 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gonotheca Blume ex A.P. de Candolle, 1830 accepted as Oldenlandia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Gonotrema
     Gonotrema Rafinesque, 1831 (uncertain)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)
     Gonotrema Rafinesque, 1820 accepted as Gonotrema Rafinesque, 1820 (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)

Gonyacantha
     Gonyacantha Thomson, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Gonyacantha Stål, 1873 accepted as Acanthoxia Bolivar, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Gonyglossum
 Gonyglossum Bezzi, 1910 accepted as Carpomya Costa, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
 Gonyglossum Efflatoun, 1924 accepted as Carpomya Costa, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)

Gonzalezia
     Gonzalezia E.E. Schilling & J.L. Panero, 2011 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Gonzalezia De Santis, 1964 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)

Gonzalosia
     Gonzalosia Collado & Alonso-Zarazaga, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)
     Gonzalosia Báguena-Corella, 1948 accepted as Gonzalosia Collado & Alonso-Zarazaga, 1996 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)

Goodallia
     Goodallia Turton, 1822 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Astartidae (Family)
     Goodallia Bentham, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Thymelaeaceae (Family)
     Goodallia T.E. Bowdich, 1825 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Crassulaceae (Family)
 Goodallia Deshayes, 1860 † accepted as Microstagon Cossmann, 1896 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Ungulinidae (Family)

Goodea
     Goodea Shinji, 1922 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aphididae (Family)
     Goodea Jordan, 1880 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cyprinodontiformes (Order) > Goodeidae (Family)

Goodfellowia
 Goodfellowia Labeda & Kroppenstedt, 2006 accepted as Goodfellowiella Labeda et al., 2008 · Bacteria (Kingdom) > Actinobacteria (Phylum) > Actinobacteria (Class) > Actinomycetales (Order) > Pseudonocardiaceae (Family)
     Goodfellowia Hartert, 1903 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Goodia
     Goodia Holland, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)
     Goodia R.A. Salisbury, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Goodnightiella
     Goodnightiella Soares & Soares, 1946 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
 Goodnightiella Roewer, 1949 accepted as Crosbyella Roewer, 1927 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Phalangodidae (Family)

Goodrichia
 Goodrichia Moy-Thomas, 1936 † accepted as Goodrichthys Moy-Thomas, 1951 † · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Ctenacanthiformes (Order) > Ctenacanthiformes (awaiting allocation) (Family)
     Goodrichia Clench, 1929 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Goodsirea
 Goodsirea Garstang, 1895 accepted as Goodsirea Garstang, 1895 · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Stolidobranchia (Order) > Styelidae (Family)
 Goodsirea Wright, 1859 accepted as Eutima McCrady, 1859 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Eirenidae (Family)

Goossensia
     Goossensia Cossmann, 1885 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneroida (awaiting allocation) (Family)
     Goossensia Heinemann, 1958 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Cantharellales (Order) > Cantharellaceae (Family)
     Goossensia Ragonot, 1891 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gopherus
     Gopherus Rafinesque, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Testudines (Order) > Testudinidae (Family)
     Gopherus Rafinesque, 1815 accepted as Gopherus Rafinesque, 1832 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Testudines (Order) > Testudinidae (Family)

Goplana
     Goplana Raciborski, 1900 · Fungi (Kingdom) > Basidiomycota (Phylum) > Pucciniomycetes (Class) > Pucciniales (Order) > Chaconiaceae (Family)
 Goplana Wrześniowski, 1879 accepted as Synurella Wrześniowski, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Crangonyctidae (Family)

Gordia
     Gordia Emmons, 1844 † · Animalia (Kingdom) > Trace fossils (Phylum) > (Class) > (Order) > (Family)
 Gordia Melichar, 1903 accepted as Gordiacea Metcalf, 1948 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Achilidae (Family)

Gordiorhynchus
 Gordiorhynchus Dollfus & Golvan, 1957 accepted as Centrorhynchus Lühe in Brauer, 1911 · Animalia (Kingdom) > Acanthocephala (Phylum) > Palaeacanthocephala (Class) > Polymorphida (Order) > Centrorhynchidae (Family)
 Gordiorhynchus Meyer, 1931 accepted as Centrorhynchus Lühe in Brauer, 1911 · Animalia (Kingdom) > Acanthocephala (Phylum) > Palaeacanthocephala (Class) > Polymorphida (Order) > Centrorhynchidae (Family)

Gordius
 Gordius Slabber, 1769-78 accepted as Gordius Slabber, 1769-78 · Animalia (Kingdom) > Nemertea (Phylum) > Nemertea (awaiting allocation) (Class) > Nemertea (awaiting allocation) (Order) > Nemertea (awaiting allocation) (Family)
     Gordius Linnaeus, 1758 · Animalia (Kingdom) > Nemertea (Phylum) > Nemertea incertae sedis (Class) > Nemertea incertae sedis (Order) > Nemertea incertae sedis (Family)
 Gordius accepted as Lineus Sowerby, 1806 · Animalia (Kingdom) > Nemertea (Phylum) > Pilidiophora (Class) > Heteronemertea (Order) > Lineidae (Family)

Gordonella
 Gordonella Ray & Sarkar, 1969 accepted as Schellackia Reichenow, 1920 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Eucoccidiida (Order) > Lankesterellidae (Family)
     Gordonella Grundel, 1990 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
     Gordonella Tirmizi, 1960 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Solenoceridae (Family)

Gordonia
     Gordonia J. Ellis, 1771 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Theaceae (Family)
     Gordonia corrig. (ex Tsukamura, 1971) Stackebrandt, Smida & Collins, 1989 · Bacteria (Kingdom) > Actinobacteria (Phylum) > Actinobacteria (Class) > Actinomycetales (Order) > Nocardiaceae (Family)
     Gordonia Malloch, 1926 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
     Gordonia Newton, 1892 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Therapsida (Order) > Dicynodontidae (Family)
 Gordonia Pretzmann, 1965 accepted as Isabellagordonia Pretzmann, 1967 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pseudothelphusidae (Family)

Gordoniella
     Gordoniella Zagorsek, 2001 † (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Gordoniella Itono, 1977 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Wrangeliaceae (Family)

Gorgonella
     Gorgonella Zolotuhin in Zolotuhin & Witt, 2000 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lasiocampidae (Family)
     Gorgonella Valenciennes, 1855 accepted as Verrucella Milne Edwards & Haime, 1857 (junior subjective synonym)· Animalia (Kingdom) > Cnidaria (Phylum) > Octocorallia (Class) > Scleralcyonacea (Order) > Ellisellidae (Family)

Gorgonia
     Gorgonia Hall, 1847 † (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Gorgonia Hübner, 1823 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Gorgonia Linnaeus, 1758 · Animalia (Kingdom) > Cnidaria (Phylum) > Octocorallia (Class) > Malacalcyonacea (Order) > Gorgoniidae (Family)

Gorgopis
     Gorgopis Gerstaecker, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Platystomatidae (Family)
 Gorgopis Menge in Berendt, 1854 † accepted as Gorgopsina Petrunkevitch, 1955 † · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
     Gorgopis Hübner, 1820 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gorgus
     Gorgus Gemminger & Harold, 1871 accepted as Hypsophorus Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gorgus Schönherr, 1825 accepted as Cratosomus Schönherr, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gorna
 Gorna Holland, 1894 accepted as Gorua Walker, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Gorna Poppius, 1914 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Gornostachia
     Gornostachia P.N. Kolosov, 1982 † (uncertain)· Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Cyanophyceae (awaiting allocation) (Family)
     Gornostachia Schapovalova, 1974 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Kussiellida (Order) > Kussiellidae (Family)

Gorskia
     Gorskia Poletaeva & Fedyanina, 1970 † accepted as Gorskia Poletaeva & Fedyanina, 1970 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Gorskia Poletaeva & Fedyanina, 1971 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Gorskia Bolle in W.C.H. Peters, 1861 accepted as Guibourtia J.J. Bennett, 1857 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Gortania
     Gortania Rabbi, 1960 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
 Gortania Cossmann, 1909 † accepted as Gortania Cossmann, 1909 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Gossea
     Gossea L. Agassiz, 1862 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Limnomedusae (Order) > Olindiidae (Family)
 Gossea Spence Bate, 1862 accepted as Apherusa Walker, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Calliopiidae (Family)
 Gossea Zelinka, 1889 accepted as Neogossea Remane, 1927 · Animalia (Kingdom) > Gastrotricha (Phylum) > (Class) > Chaetonotida (Order) > Neogosseidae (Family)

Gosseletia
     Gosseletia Koninck, 1883 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
     Gosseletia Barrois, 1882 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pterioida (Order) > Pterioida (awaiting allocation) (Family)

Gossia
     Gossia N. Snow & G.P. Guymer · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
 Gossia Quatrefages, 1866 accepted as Exogone Örsted, 1845 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Syllidae (Family)

Gotocotyla
     Gotocotyla Ishii, 1936 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Mazocraeidea (Order) > Gotocotylidae (Family)
     Gotocotyla Meserve, 1938 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)

Gouania
     Gouania Nardo, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiesociformes (Order) > Gobiesocidae (Family)
 Gouania Bonaparte, 1846 accepted as Gouania Nardo, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiesociformes (Order) > Gobiesocidae (Family)
     Gouania N.J. Jacquin, 1763 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rhamnaceae (Family)

Gouldia
     Gouldia C. B. Adams, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)
 Gouldia A. Gray, 1859 accepted as Kadua Chamisso & D.F.L. Schlechtendal, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Gouldia Bonaparte, 1849 accepted as Popelairia Reichenbach, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)

Gouldomyia
     Gouldomyia Bonaparte, 1854, nom. nud. accepted as Popelairia Reichenbach, 1854 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)
 Gouldomyia Bonaparte, 1854 accepted as Popelairia Reichenbach, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)

Gounellea
     Gounellea Lane, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Gounellea Martins, Chemsak & Linsley, 1966 accepted as Gounelloeme Monné & Martins, 1974 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Goweria
     Goweria Lea, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Goweria J.A. Wolfe, 1968 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Menispermaceae (Family)

Goya
     Goya Navás, 1928 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Psocoptera (Order) > Psocoptera (awaiting allocation) (Family)
     Goya Ragonot, 1888 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Goya Mello-Leitão, 1945 accepted as Chira Peckham & Peckham, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)

Goyazia
 Goyazia Toledo Piza, 1940 accepted as Eusarcus Perty, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Goyazia Taubert, 1896 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)

Gozarta
     Gozarta Walker, 1869 accepted as Bardaxima Walker, 1858 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)
 Gozarta Walker, 1868 accepted as Lophops Spinola, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lophopidae (Family)

Grabauoceras
     Grabauoceras Shimizu & Obata, 1935 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Grabauoceras Shimizu & Obata, 1936 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Graciella
     Graciella Jordan, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Graciella Rozova, 1963 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Gracilaria
     Gracilaria Greville, 1830 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gracilariales (Order) > Gracilariaceae (Family)
 Gracilaria Zeller, 1839 accepted as Gracilaria Zeller, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)

Gracilia
     Gracilia Audinet-Serville, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Gracilia accepted as Gracila Randall, 1964 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Serranidae (Family)

Graculus
 Graculus Vieillot, 1818 accepted as Gracula Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sturnidae (Family)
 Graculus Möhring, 1758 accepted as Graculus Möhring, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Graculus G.R. Gray, 1845 accepted as Graculus G.R. Gray, 1845 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Graculus Koch, 1816 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Graculus Reichenbach, 1853 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gradiella
     Gradiella Lyashenko, 1969 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cricoconarida (Class) > Cricoconarida (awaiting allocation) (Order) > Cricoconarida (awaiting allocation) (Family)
     Gradiella Kittl, 1899 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)

Graea
     Graea Philippi, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Ommexechidae (Family)
     Graea Thorell, 1870 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)

Graeffea
     Graeffea Brunner in Graeffe, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Phasmatidae (Family)
 Graeffea B.C. Seemann, 1865 accepted as Trichospermum Blume, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Graellsia
     Graellsia Grote, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)
 Graellsia Boissier, 1841 accepted as Draba Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Graëllsia
 Graëllsia Grote, 1896 accepted as Graellsia Grote, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)
     Graëllsia Boissier, 1841 represented as Graellsia Boissier, 1841 (alternative representation)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Graemontia
     Graemontia Staręga, 1992 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Triaenonychidae (Family)
     Graemontia Lawrence, 1931 accepted as Graemontia Staręga, 1992 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Triaenonychidae (Family)

Graffenrieda
     Graffenrieda A.P. de Candolle, 1828 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
 Graffenrieda C.F.P. Martius, 1832 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Graffia
     Graffia Csuzdi & Zicsi, 1991 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)
     Graffia Levinsen, 1879 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Turbellaria (awaiting allocation) (Order) > Turbellaria (awaiting allocation) (Family)
 Graffia Ihering, 1880 accepted as Graffilla Ihering, 1880 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Neorhabdocoela (Order) > Graffillidae (Family)

Graffilla
     Graffilla Ihering, 1880 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Neorhabdocoela (Order) > Graffillidae (Family)
     Graffilla Korotneff, 1912 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Turbellaria (awaiting allocation) (Order) > Turbellaria (awaiting allocation) (Family)

Grafia
 Grafia Krantz, 1962 accepted as Trigonholaspis Vitzthum, 1930 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Macrochelidae (Family)
 Grafia A.D. Hawkes, 1966 accepted as Phalaenopsis Blume, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Grafia H.G.L. Reichenbach, 1837 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)

Grahamia
     Grahamia Gillies in W.J. Hooker & Arnott, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Anacampserotaceae (Family)
     Grahamia Allgén, 1959 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Monhysterida (Order) > Linhomoeidae (Family)
 Grahamia Tartakowsky, 1910 accepted as Bartonella Strong et al., 1915 (Approved Lists, 1980) emend. Birtles et al., 1995 · Bacteria (Kingdom) > Proteobacteria (Phylum) > Alphaproteobacteria (Class) > Rhizobiales (Order) > Bartonellaceae (Family)
     Grahamia Theobald, 1909 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Grahamia Erdos, 1966 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Eulophidae (Family)

Gramella
 Gramella Kozur, 1971 † accepted as Grammella Kozur, 1971 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Palaeocopida (awaiting allocation) (Family)
     Gramella Nedashkovskaya, Kim, Lysenko, Frolova, Mikhailov, Bae, Lee & Kim, 2005 · Bacteria (Kingdom) > Bacteroidetes (Phylum) > Flavobacteriia (Class) > Flavobacteriales (Order) > Flavobacteriaceae (Family)

Gramen
 Gramen Séguier, 1754 accepted as Secale Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Gramen Krause, 1914 accepted as Festuca Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Graminella
     Graminella L. Léger & M. Gauthier ex Manier, 1962 · Fungi (Kingdom) > Zygomycota (Phylum) > Kickxellomycetes (Class) > Harpellales (Order) > Legeriomycetaceae (Family)
     Graminella L. Léger & M. Gauthier, 1937 · Fungi (Kingdom) > Zygomycota (Phylum) > Kickxellomycetes (Class) > Harpellales (Order) > Legeriomycetaceae (Family)
     Graminella DeLong, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Grammatophora
     Grammatophora Stephens, 1829 accepted as Grammatophora Stephens, 1829 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Grammatophora Ehrenberg, 1840 · Chromista (Kingdom) > Bacillariophyta (Phylum) > Bacillariophyceae (Class) > Rhabdonematales (Order) > Grammatophoraceae (Family)
     Grammatophora Duméril & Bibron, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Agamidae (Family)

Grammatopteris
     Grammatopteris B. Renault, 1891 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Zygopteridales (Order) > Psalixochlaenaceae (Family)
 Grammatopteris C.R.W.K. van Alderwerelt van Rosenburgh, 1922 accepted as Selliguea Bory de St.-Vincent, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)

Grammatorcynus
     Grammatorcynus Gill, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Scombridae (Family)
 Grammatorcynus Jordan, 1919 accepted as Grammatorcynus Jordan, 1919 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Scombridae (Family)

Grammella
     Grammella Canu, 1917 † · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Cheilostomatida (awaiting allocation) (Family)
 Grammella Kozur, 1971 † accepted as Grammicythere Kozur, 1972 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Palaeocopida (awaiting allocation) (Family)

Grammia
     Grammia Kotschetkova, 1980 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Pachydomellidae (Family)
     Grammia Rambur, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Grammica
 Grammica de Chaudoir, 1871 accepted as Lebia Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Grammica Loureiro, 1790 accepted as Cuscuta Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Convolvulaceae (Family)

Grammicus
     Grammicus Reichenbach, 1849 accepted as Lophoceros Hemprich & Ehrenberg, 1833 (junior subjective synonym)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Bucerotidae (Family)
     Grammicus Waterhouse, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Grammophora
 Grammophora Gedoelst, 1916 accepted as Onchocercella Yorke & Maplestone, 1931 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Onchocercidae (Family)
     Grammophora Guenée, 1852 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Grammophorus
 Grammophorus Candèze, 1859 accepted as Grammephorus Solier in Gay, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
 Grammophorus Gerstaecker in Murray, 1864 accepted as Grammorus Murray in Harold, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Nitidulidae (Family)

Grammoptera
     Grammoptera Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Grammoptera Audinet-Serville, 1835 accepted as Grammoptera Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Grammoptera Thomson, 1864 accepted as Pidonia Mulsant, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Grammosmylus
     Grammosmylus Krueger, 1914 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)
     Grammosmylus Panfilov in Dolin & Pritykina, 1980 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)

Grampus
 Grampus Iredale & Troughton, 1933 accepted as Orcinus Fitzinger, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)
     Grampus Gray, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)

Granaria
     Granaria Held, 1837 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Chondrinidae (Family)
 Granaria Paetel, 1875 accepted as Granaria Paetel, 1875 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Arcida (Order) > Arcidae (Family)

Granativora
     Granativora Bonaparte, 1853 accepted as Granativora Bonaparte, 1853 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Granativora Gray, 1855 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Granatocrinites
     Granatocrinites Troost in Wood, 1909 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Blastoidea (Class) > Spiraculata (Order) > Granatocrinidae (Family)
     Granatocrinites Troost, 1849 † accepted as Granatocrinites Troost, 1849 † (nomen nudum)· Animalia (Kingdom) > Echinodermata (Phylum) > Blastoidea (Class) > Spiraculata (Order) > Granatocrinidae (Family)

Granatum
     Granatum Saint-Lager, 1880 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Lythraceae (Family)
 Granatum O. Kuntze, 1891 accepted as Xylocarpus J. König, 1784 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Meliaceae (Family)

Grandeurya
 Grandeurya D.R.J. Stur, 1883 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Marattiales (Order) > Marattiaceae (Family)
     Grandeurya R. Zeiller, 1883 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Marattiidae (awaiting allocation) (Order) > (Family)

Grandicaputus
     Grandicaputus Yasunaga, 2004 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
     Grandicaputus Yao, Cai & Ren, 2006 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Rhopalidae (Family)

Grandidieria
     Grandidieria Bourguignat, 1885 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Unionoida (Order) > Unionidae (Family)
 Grandidieria Kretzoi & Kretzoi, 2000 † accepted as Archaeolemur Filhol, 1895 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Archaeolemuridae (Family)

Grandiella
     Grandiella Williams, 1928 accepted as Grandiella Williams, 1928 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Grandiella Lombardini, 1939 accepted as Grandiellina Fain, 1989 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Canestriniidae (Family)

Grandifavia
     Grandifavia Babaev, 1964 † · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Scleractinia (awaiting allocation) (Family)
     Grandifavia Babayev in Babayev & Papoyan, 1988 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Scleractinia (awaiting allocation) (Family)

Grandjeanella
     Grandjeanella Southcott, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Erythraeidae (Family)
 Grandjeanella Balogh, 1961 accepted as Grandjeania Balogh, 1963 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Oribatulidae (Family)

Grangeria
     Grangeria Zdansky, 1930 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Perissodactyla (Order) > Eomoropidae (Family)
     Grangeria Commerson ex A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Chrysobalanaceae (Family)

Grania
     Grania Southern, 1913 · Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Haplotaxida (Order) > Enchytraeidae (Family)
     Grania (Rosenvinge) Kylin, 1944 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Acrochaetiales (Order) > Acrochaetiaceae (Family)

Graniger
     Graniger Motschoulsky, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Graniger Chaudoir, 1876 accepted as Cymbionotum Baudi, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Grantia
     Grantia Fleming, 1828 · Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Sycettida (Order) > Grantiidae (Family)
 Grantia Boissier, 1846 accepted as Iphiona Cassini, 1817 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Grantia W. Griffith in J.O. Voigt, 1845 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)
     Grantia Nardo, 1833 (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)

Granularia
 Granularia Pomel, 1849 † accepted as · Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Granularia Poletaeva in Lermontova, 1951 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > (Class) > Trilobitomorpha (awaiting allocation) (Order) > Trilobitomorpha (awaiting allocation) (Family)
 Granularia J. Sowerby, 1815 accepted as Urocystis Rabenhorst ex Fuckel, 1870 · Fungi (Kingdom) > Basidiomycota (Phylum) > Ustilaginomycetes (Class) > Urocystidiales (Order) > Urocystidaceae (Family)
     Granularia P.A. Saccardo & J.B. Ellis ex P.A. Saccardo, 1882 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Granularia Roth, 1791 accepted as Granularia Roth, 1791 (nomen dubium)· Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Agaricaceae (Family)
     Granularia Kowalski, 1983 † · Plantae (Kingdom) > Acritarcha (Phylum) > (Class) > (Order) > (Family)

Granulasida
     Granulasida Escalera, 1907 accepted as Granulasida Escalera, 1922 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Granulasida Escalera, 1922 accepted as Asida Latreille, 1802 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Granulatagnostus
 Granulatagnostus Kolobova, 1981 † accepted as Corrugatagnostus Kobayashi, 1939 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Agnostida (Order) > Geragnostidae (Family)
     Granulatagnostus in Abdulin † accepted as Corrugatagnostus Kobayashi, 1939 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Agnostida (Order) > Geragnostidae (Family)

Granulina
     Granulina Velenovský, 1947 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricomycetes incertae sedis (Order) > Agaricomycetes incertae sedis (Family)
     Granulina Jousseaume, 1888 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Marginellidae (Family)
 Granulina Leleshus, 1975 † accepted as Leleshusia Doweld, 2015 † · Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Proporida (Order) > Proporidae (Family)

Granulites
     Granulites Nemkov, 1967 † accepted as Nummulites Lamarck, 1801 (junior subjective synonym)· Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Nummulitidae (Family)
     Granulites Rafinesque, 1831 (uncertain)· Animalia (Kingdom) > Animalia (awaiting allocation) (Phylum) > Animalia (awaiting allocation) (Class) > Animalia (awaiting allocation) (Order) > Animalia (awaiting allocation) (Family)

Granulocystis
 Granulocystis K. Hjortstam, 1986 accepted as Odonticium E. Parmasto, 1968 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricomycetes incertae sedis (Order) > Agaricomycetes incertae sedis (Family)
     Granulocystis F. Hindák, 1977 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Chlorellales (Order) > Oocystaceae (Family)

Granulopaussus
 Granulopaussus Kolbe, 1933 accepted as Paussus Linnaeus, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Granulopaussus Luna de Carvalho, 1989 accepted as Paussus Linnaeus, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Granulosocrinus
     Granulosocrinus Stukalina, 1986 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Crinoidea (awaiting allocation) (Order) > Crinoidea (awaiting allocation) (Family)
     Granulosocrinus Rozhnov, 1981 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Crinoidea (awaiting allocation) (Order) > Crinoidea (awaiting allocation) (Family)

Graphephorum
 Graphephorum M. Honda, 1934 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Graphephorum Desvaux, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Graphidium
     Graphidium Railliet & Henry, 1909 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Haemonchidae (Family)
 Graphidium Lindau, 1909 accepted as Paecilomyces Bainier, 1907 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Eurotiales (Order) > Aspergillaceae (Family)

Graphidula
 Graphidula Norman, 1853 accepted as Verrucaria H.A. Schrader, 1794 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Verrucariales (Order) > Verrucariaceae (Family)
 Graphidula Stephenson, 1941 † accepted as Exilia Conrad, 1860 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Ptychatractidae (Family)

Graphidurus
     Graphidurus Gemminger & Harold, 1873 accepted as Graphidurus Agassiz, 1846 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Graphidurus Wallace, 1876 accepted as Graphiurus Smuts, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
 Graphidurus Brandt, 1855 accepted as Graphiurus Smuts, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
     Graphidurus Agassiz, 1846 accepted as Graphisurus Kirby, 1837 (unjustified emendation)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Graphiopsis
 Graphiopsis Bainier, 1907 accepted as Phaeoisaria F. von Höhnel, 1909 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Graphiopsis J. Trail, 1889 accepted as Cladosporium Link, 1816 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Capnodiales (Order) > Davidiellaceae (Family)

Graphiptera
 Graphiptera Tournier, 1889 accepted as Arthrostenus Schönherr, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)
 Graphiptera Hope, 1838 accepted as Graphipterus Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Graphis
     Graphis Adanson, 1763 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)
     Graphis Jeffreys, 1867 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Cimidae (Family)

Graphisurus
     Graphisurus Kirby, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Graphisurus Horn, 1880 accepted as Graphisurus Kirby, 1837 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Graphisurus Casey, 1913 accepted as Graphisurus Kirby, 1837 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Graphium
     Graphium Corda, 1837 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Microascales (Order) > Microascaceae (Family)
     Graphium Scopoli, 1777 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Papilionidae (Family)

Graphiurus
 Graphiurus Kner, 1866 † accepted as Graphiurichthys White & Moy-Thomas, 1937 † · Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Coelacanthiformes (Order) > Coelacanthidae (Family)
     Graphiurus Smuts, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
     Graphiurus Cuvier in Geoffroy & Cuvier, 1829 accepted as Graphiurus Smuts, 1832 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)

Graphomyia
     Graphomyia Agassiz, 1846 accepted as Graphomya Robineau-Desvoidy, 1830 (unjustified emendation)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
     Graphomyia Macquart, 1834 accepted as Graphomya Robineau-Desvoidy, 1830 (unjustified emendation)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)

Graphonotus
 Graphonotus Agassiz, 1846 accepted as Graphinotus Koch, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
 Graphonotus Chevrolat, 1881 accepted as Coelosternulum Heller, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Graphorhinus
     Graphorhinus Say, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Graphorhinus Schoenherr, 1833 accepted as Graphorhinus Say, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Graptoblastoides
     Graptoblastoides Kozlowski, 1948 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptolithina (awaiting allocation) (Order) > Graptolithina (awaiting allocation) (Family)
     Graptoblastoides Kozlowski, 1938 † accepted as Graptoblastoides Kozlowski, 1938 † (nomen nudum)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Graptoblastus
     Graptoblastus Kozlowski, 1948 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptolithina (awaiting allocation) (Order) > Graptolithina (awaiting allocation) (Family)
     Graptoblastus Kozlowski, 1938 accepted as Graptoblastus Kozlowski, 1938 (nomen nudum)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Graptocamara
     Graptocamara Kozlowski, 1948 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Camaroidea (Order) > Camaroidea (awaiting allocation) (Family)
     Graptocamara Kozlowski, 1938 † accepted as Graptocamara Kozlowski, 1938 † (nomen nudum)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Graptodera
 Graptodera Mannerheim, 1843 accepted as Graptodera Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Graptodera Chevrolat in Dejean, 1836 accepted as Altica Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Graptopora
     Graptopora Ulrich, 1882 accepted as Graptopora Ulrich, 1882 (nomen nudum)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
 Graptopora Lang, 1916 † accepted as Graptoporella Bassler in Moore, 1953 † · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Cheilostomatida (awaiting allocation) (Family)
     Graptopora Salter, 1858 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Graptotheca
     Graptotheca Bigsby, 1868 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Graptotheca Salter, 1873 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Graptoveria
 Graptoveria G.D. Rowley, 1958 accepted as Graptoveria P. Gossot ex J. Marnier-Lapostolle, 1949 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Crassulaceae (Family)
     Graptoveria P. Gossot ex J. Marnier-Lapostolle, 1949 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Crassulaceae (Family)

Graptovermis
     Graptovermis Kozlowski, 1949 † · Animalia (Kingdom) > Hemichordata (Phylum) > Pterobranchia (Class) > Rhabdopleurida (Order) > Rhabdopleurida (awaiting allocation) (Family)
     Graptovermis Kozlowski, 1938 † accepted as Graptovermis Kozlowski, 1938 † (nomen nudum)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Grassator
     Grassator Ruckes, 1965 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
     Grassator Kazantseva, 1968 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Actinopterygii (awaiting allocation) (Order) > Actinopterygii (awaiting allocation) (Family)
     Grassator De Santis, 1948 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Grassia
     Grassia Theobald, 1902 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
     Grassia Fisch, 1885 (uncertain)· Protozoa (Kingdom) > Protozoa incertae sedis (Phylum) > (Class) > (Order) > (Family)

Grateloupia
     Grateloupia C.A. Agardh, 1822 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Halymeniales (Order) > Halymeniaceae (Family)
     Grateloupia [anonymous], 1830 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)
 Grateloupia Bonnemaison, 1822 accepted as Gaillona Bonnemaison, 1828 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Callithamniaceae (Family)

Graucalus
     Graucalus Cuvier, 1817 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Campephagidae (Family)
     Graucalus G.R. Gray, 1841 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Graueria
     Graueria Curran, 1935 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
     Graueria Hartert, 1908 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sylviidae (Family)

Gravenhorstia
     Gravenhorstia Boie, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Gravenhorstia C.G.D. Nees in J. Lindley, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Bruniales (Order) > Bruniaceae (Family)
     Gravenhorstia Robineau-Desvoidy, 1863 accepted as Admontia Brauer & Bergenstamm, 1889 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Gravesia
     Gravesia Salfeld, 1913 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)
     Gravesia Naudin, 1851 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Graya
 Graya Spence Bate, 1862 accepted as Graya Spence Bate, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Graya accepted as Grayia Günther, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Graya Arnott ex Steudel, 1854 accepted as Sphaerocaryum C.G.D. Nees ex J.D. Hooker, 1896 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Graya Bonaparte, 1856 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Graya Buchecker, ? 1880 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Graya Houlbert, 1918 accepted as Yagra Oiticica Filho, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Castniidae (Family)

Grayella
 Grayella Doflein, 1929 accepted as Grayallia Setna, 1927 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Arthrogregarida (Order) > Monocystidae (Family)
 Grayella Carter, 1869 accepted as Crella Gray, 1867 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Poecilosclerida (Order) > Crellidae (Family)

Grayia
     Grayia W.J. Hooker & Arnott, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
     Grayia Günther, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
     Grayia Spence Bate, 1862 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Grayia E. Grove & J. Brun in A. Schmidt, 1892 † accepted as · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)

Graysonia
     Graysonia Butts, 1926 † (uncertain)· Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Graysonia Stephenson, 1952 † accepted as (nomen dubium)· Animalia (Kingdom) > Trace fossils (Phylum) > (Class) > (Order) > (Family)

Greenia
     Greenia Kirby, 1896 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Diapheromeridae (Family)
     Greenia S. Wallman, 1791 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
 Greenia Hoeppli & Chu, 1932 accepted as Rogerus Hoeppli & Chu, 1934 · Animalia (Kingdom) > Nematoda (Phylum) > Enoplea (Class) > Ironida (Order) > Rhabdolaimidae (Family)
 Greenia Nuttall, 1835 accepted as Limnodea L.H. Dewey in J.M. Coulter, 1894 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Greenia Oudemans, 1901 accepted as Dinogamasus Kramer, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Laelapidae (Family)

Greeniella
 Greeniella Banks, 1904 accepted as Dinogamasus Kramer, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Laelapidae (Family)
 Greeniella Berlese, 1910 accepted as Jacobsonia Berlese, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Laelapidae (Family)
     Greeniella Macgillivray, 1921 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Diaspididae (Family)
     Greeniella Cockerell, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Greeniella David, 1993 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aleyrodidae (Family)

Greenoripersia
     Greenoripersia Bodenheimer, 1951 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Greenoripersia Bodenheimer, 1929 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)

Greggia
 Greggia A. Gray, 1852 accepted as Nerisyrenia E.L. Greene, 1900 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Greggia Engelmann in Wislizenus, 1848 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
 Greggia Solander ex J. Gaertner, 1788 accepted as Eugenia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)

Gregoria
 Gregoria Duby, 1828 accepted as Androsace Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Primulaceae (Family)
     Gregoria Gosse, 1860 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Actiniaria (Order) > Sagartiidae (Family)

Greniera
     Greniera Doby & David, 1959 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Simuliidae (Family)
 Greniera J. Gay, 1845 accepted as Minuartia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)

Gressittella
     Gressittella Medvedev, 2009 accepted as Medvedevittella Deng & Xing, 2024 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Gressittella Evans, 1972 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Gressittomyia
     Gressittomyia Alexander, 1936 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tipulidae (Family)
     Gressittomyia Kano & Lopes, 1985 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)

Grevillea
     Grevillea R. Brown ex J. Knight, 1809 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)
 Grevillea Beck & Emmons, 1826 accepted as Grevillea Beck & Emmons, 1826 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Bryales (Order) > Timmiaceae (Family)

Grevillia
 Grevillia R. Brown ex J. Knight, 1809 accepted as Grevillia R. Brown ex J. Knight, 1809 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)
     Grevillia Bordoni, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Grewiopsis
     Grewiopsis G. Saporta, 1865 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Grewiopsis E. De Wildeman & T. Durand, 1899 accepted as Desplatsia Bocquillon, 1866 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Grewioxylon
 Grewioxylon Shallom, 1963 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
     Grewioxylon J. Schuster, 1910 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Griesbachites
     Griesbachites Mojsisovics, 1897 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)
     Griesbachites Mojsisovics, 1896 † accepted as Griesbachites Mojsisovics, 1897 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)

Griffinia
     Griffinia Ker-Gawler, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
     Griffinia Richer de Forges, 1994 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)

Griffithia
     Griffithia Lea, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Griffithia J.M. Black, 1913 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Griffithia Maingay ex G. King, 1893 accepted as Enicosanthum Beccari, 1871 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliales (Order) > Annonaceae (Family)
 Griffithia R. Wight & Arnott, 1834 accepted as Benkara Adanson, 1763 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Griffonia
 Griffonia J.D. Hooker in Bentham & J.D. Hooker, 1865 accepted as Acioa Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Chrysobalanaceae (Family)
     Griffonia Baillon, 1865 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Grimaldia
 Grimaldia Chapman, 1942 accepted as Opisthoproctus Vaillant, 1888 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Argentiniformes (Order) > Opisthoproctidae (Family)
 Grimaldia Chevreux, 1899 accepted as Seba Bate, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Sebidae (Family)
 Grimaldia Raddi, 1818 accepted as · Plantae (Kingdom) > Marchantiophyta (Phylum) > Marchantiopsida (Class) > Marchantiales (Order) > Aytoniaceae (Family)
 Grimaldia Schrank, 1805 accepted as Chamaecrista Moench, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Grimaldiella
 Grimaldiella Bouvier, 1905 accepted as Funchalia Johnson, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Penaeidae (Family)
     Grimaldiella Koteja, 2000 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Grimaldiella Lehrer, 2002 accepted as Grimaldiomyia Lehrer, 2003 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)

Grimmia
     Grimmia J. Hedwig, 1801 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Grimmiales (Order) > Grimmiaceae (Family)
 Grimmia Laurillard, 1841 accepted as Sylvicapra Ogilby, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)

Grinnellia
     Grinnellia Harvey, 1853 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Delesseriaceae (Family)
     Grinnellia Christiansen & Nascimbene, 2006 † · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Symphypleona (Order) > Mackenziellidae (Family)

Griphomyia
     Griphomyia Hardy, 1987 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
     Griphomyia Grootaert & Meuffels, 1997 accepted as Griphophanes Grootaert & Meuffels, 1998 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)

Gripus
 Gripus Gistl, 1848 accepted as Gripus Gistl, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
     Gripus Rathbun, 1925 accepted as Batrachonotus Stimpson, 1871 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Inachoididae (Family)
 Gripus Gistl, 1834 accepted as Athous Eschscholtz in Thon, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Grisebachia
 Grisebachia Klotzsch, 1838 accepted as Erica Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
 Grisebachia Drude & H. Wendland, 1875 accepted as Howea Beccari, 1877 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Griselinia
     Griselinia J.R. Forster & J.G.A. Forster, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Griseliniaceae (Family)
 Griselinia Scopoli, 1777 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Griseocereus
 Griseocereus A. Guiggi, 2012 accepted as Stenocereus (A. Berger) Riccobono, 1909 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)
 Griseocereus P.V. Heath, 1998 accepted as Stenocereus (A. Berger) Riccobono, 1909 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Grislea
 Grislea P. Loefling, 1758 accepted as Pehria Sprague, 1923 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Lythraceae (Family)
 Grislea Linnaeus, 1753 accepted as Combretum Loefling, 1758 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Combretaceae (Family)

Grisonia
 Grisonia Gray, 1825 accepted as Galictis Bell, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Grisonia Kéler, 1938 accepted as Trichodectes Nitzsch, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Trichodectidae (Family)

Grobbenia
 Grobbenia Poche, 1903 accepted as Mehelya Csiki, 1903 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Grobbenia Holdhaus, 1903 accepted as Atomaria Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cryptophagidae (Family)

Gromovia
     Gromovia Erbajeva, Alexeeva & Khenzykhenova, 2003 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Rodentia (awaiting allocation) (Family)
     Gromovia Regel, 1865 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Gromphas
     Gromphas Dejean, 1833 accepted as Gromphas Brullé, 1838 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gromphas Brullé, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gronovia
     Gronovia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cornales (Order) > Loasaceae (Family)
 Gronovia Blanco, 1837 accepted as Illigera Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Hernandiaceae (Family)
     Gronovia Leach, 1814 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Grossia
     Grossia Alberti, 1960 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Grossia Womersley, 1954 accepted as Chyzeria Canestrini, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Chyzeriidae (Family)

Grossularia
     Grossularia Granzow, 1989 † (uncertain)· Animalia (Kingdom) > Animalia incertae sedis (Phylum) > (Class) > (Order) > (Family)
 Grossularia P. Miller, 1754 accepted as Ribes Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Grossulariaceae (Family)
 Grossularia Adanson, 1763 accepted as Ribes Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Grossulariaceae (Family)

Grotea
 Grotea Moore, 1866 accepted as Sebastia Kirby, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Grotea Möschler, 1876 accepted as Podosesia Möschler, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sesiidae (Family)
     Grotea Theobald, 1868 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
     Grotea Cresson, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Grotea H. Wang, J. Blanchard & D.L. Dilcher, 2013 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Bignoniaceae (Family)

Groutia
     Groutia J.B.A. Guillemin & Perrottet in J.B.A. Guillemin, Perrottet & A. Richard, 1831 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Opiliaceae (Family)
 Groutia V.F. Brotherus in Engler & Prantl, 1905 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Isobryales (Order) > Cryphaeaceae (Family)

Grouvelleus
     Grouvelleus Guillebeau, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Phalacridae (Family)
 Grouvelleus Zaitzev, 1908 accepted as Grouvellinus Champion, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elmidae (Family)

Grovesia
     Grovesia R.W.G. Dennis, 1960 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Helotiaceae (Family)
     Grovesia Dolin & Ledon, 2002 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Eocypraeidae (Family)

Grovesiella
     Grovesiella M. Morelet, 1969 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Helotiaceae (Family)
 Grovesiella B. Eriksson, 1971 accepted as Erikssonopsis M. Morelet, 1971 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Helotiaceae (Family)

Grubea
     Grubea Diesing, 1858 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Mazocraeidea (Order) > Mazocraeidae (Family)
 Grubea Quatrefages, 1865 accepted as Salvatoria McIntosh, 1885 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Syllidae (Family)

Grumia
     Grumia Alphéraky, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Grumia Bozano, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
 Grumia Oppenheim, 1899 † accepted as Grumiphyllia Wells, 1937 † · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Faviidae (Family)
 Grumia Della Bruna, Gallo, Lucarelli & Sbordoni, 2000 accepted as Eugrumia Della Bruno, Gallo, Lucarelli & Sbordoni, 2000 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)

Grus
     Grus Pallas, 1766 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Gruidae (Family)
 Grus Möhring, 1758 accepted as Grus Pallas, 1766 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Gruidae (Family)

Gruvelia
     Gruvelia Risbec, 1928 accepted as Gruvelia Risbec, 1928 (nomen dubium)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Discodorididae (Family)
     Gruvelia Alph. de Candolle, 1846 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)

Gryllivora
     Gryllivora Swainson, 1831 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gryllivora Swainson, 1830 accepted as Gryllivora Swainson, 1830 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gryllomorphus
 Gryllomorphus Saussure, 1876-77 accepted as Gryllomorpha Fieber, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Gryllidae (Family)
 Gryllomorphus Amyot, 1847 accepted as Gryllomorphus Amyot, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Grymaea
     Grymaea Fresenius, 1858 (uncertain)· Protozoa (Kingdom) > Metamonada (Phylum) > Eopharyngea (Class) > Diplomonadida (Order) > Hexamitidae (Family)
 Grymaea Malmgren, 1867 accepted as Streblosoma Sars, 1872 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Terebellida (Order) > Terebellidae (Family)

Gryphorhynchus
     Gryphorhynchus Meek, 1864 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gryphorhynchus Fuhrmann in Kükenthal & Krumbach, 1931 accepted as Gryporhynchus von Nordmann, 1832 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Gryporhynchidae (Family)
 Gryphorhynchus Morimoto, 1961 accepted as Morimotozo Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gryphus
 Gryphus Samouelle, 1819 accepted as Grypus Germar, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)
 Gryphus Oken, 1816 accepted as Gryphus Oken, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gryphus Megerle von Mühlfeld, 1811 · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Terebratulidae (Family)
     Gryphus Berthold in Latreille, 1827 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gryphus Schubert in Krueger', 1823 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
     Gryphus Wagler, 1830 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Gryphus Gray, 1847 accepted as Chama Linnaeus, 1758 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Chamidae (Family)

Gryporhynchus
 Gryporhynchus Redtenbacher, 1891 accepted as Gryporhynchium Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
     Gryporhynchus von Nordmann, 1832 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Gryporhynchidae (Family)
 Gryporhynchus Roelofs, 1875 accepted as Morimotozo Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gryporrhynchus
 Gryporrhynchus Roelofs, 1875 accepted as Morimotozo Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gryporrhynchus Creplin in Ersch & Gruber, 1839 accepted as Gryporhynchus von Nordmann, 1832 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Gryporhynchidae (Family)

Grypotes
     Grypotes Fieber, 1866 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Grypotes Dyar, 1917 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Grypus
     Grypus Spix, 1824 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Grypus Germar, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Grypus Spix & Martius, 1823 accepted as Grypus Spix & Martius, 1823 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Guaiqueria
 Guaiqueria Velásquez & Nasir, 1973 accepted as · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Lepocreadiidae (Family)
 Guaiqueria Margalef, 1961 accepted as Eucypris Vávra, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Cyprididae (Family)

Gualteria
     Gualteria Lutz, 1904 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
 Gualteria Agassiz, 1872 † accepted as Gualtieria Desor in Agassiz & Desor, 1847 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Loveniidae (Family)

Guamia
 Guamia Merrill, 1915 accepted as Meiogyne Miquel, 1865 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliales (Order) > Annonaceae (Family)
     Guamia Baker, 1938 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Guandira
     Guandira Gray, 1843 accepted as Phylloderma Peters, 1865 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Phyllostomidae (Family)
 Guandira Gray, 1866 accepted as Phylloderma Peters, 1865 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Phyllostomidae (Family)

Guangdongella
     Guangdongella Li & Li in Zhang, Lu, Zhu, Qian, Lin, Zhou, Zhang & Yuan, 1977 † accepted as Guangdongella Li & Li in Zhang, Lu, Zhu, Qian, Lin, Zhou, Zhang & Yuan, 1977 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
     Guangdongella Zhang, 1986 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Bradoriida (Order) > Bradoriida (awaiting allocation) (Family)

Guangxiconcha
     Guangxiconcha Zhang, 1977 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
     Guangxiconcha Yao & Yu, 1986 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)

Guanus
     Guanus Gray, 1840 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Guanus Fischer, 1808 accepted as Guanus Fischer, 1808 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Guaperva
 Guaperva Plumier in Lacepède, 1802 accepted as Guaperva Plumier in Lacepède, 1802 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)
 Guaperva Sonnerat, 1774 accepted as Balistoides Fraser-Brunner, 1935 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Balistidae (Family)

Guara
     Guara Rindge, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Guara Reichenbach, 1852 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Threskiornithidae (Family)

Guarania
     Guarania Carvalho & China, 1951 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Guarania Nast, 1951 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Guarania Weddell ex Baillon, 1858 accepted as Richeria M. Vahl, 1797 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)

Guartonichea
     Guartonichea J.M.H. Shaw, 2008 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Guartonichea J.M.H. Shaw, 2008, nom. inval. accepted as Guartonichea J.M.H. Shaw, 2008 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Guayania
     Guayania González-Sponga, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Zalmoxidae (Family)
     Guayania R.M. King & H.E. Robinson, 1971 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gubkinella
     Gubkinella Suleymanov, 1955 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Chilostomellidae (Family)
     Gubkinella Kuznetzova, 1956 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)

Gubleria
     Gubleria Termier & Termier, 1960 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Lyttoniidae (Family)
 Gubleria Gaudichaud-Beaupré, 1851 accepted as Nolana Linnaeus f., 1762 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Solanaceae (Family)

Gublerina
     Gublerina Kikoíne, 1948 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Globigerinida (Order) > Heterohelicidae (Family)
 Gublerina Minato & Honjo, 1959 † accepted as Yabeina Deprat, 1914 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Neoschwagerinidae (Family)

Guembelia
     Guembelia Prever, 1902 † (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Guembelia Hampe in Müller Hal., 1846 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Grimmiales (Order) > Grimmiaceae (Family)

Guembelites
     Guembelites Mojsisovics, 1897 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)
     Guembelites Mojsisovics, 1896 † accepted as Guembelites Mojsisovics, 1897 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)
 Guembelites Bensh, 1987 † accepted as Praeskinnerella Bensh, 1991 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Fusulinidae (Family)

Guenea
     Guenea Millière, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)
     Guenea Bruand, 1850 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)

Guenthera
 Guenthera E. Regel, 1857 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Guenthera Andrzeiowski ex Besser, 1822 accepted as Brassica Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Guentheria
 Guentheria L.C. Treviranus ex Leman in F. Cuvier, 1821 accepted as Corsinia Raddi, 1818 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Marchantiopsida (Class) > Marchantiales (Order) > Corsiniaceae (Family)
 Guentheria Miranda-Ribeiro, 1926 accepted as Dendropsophus Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Hylidae (Family)
 Guentheria K.P.J. Sprengel, 1826 accepted as Gaillardia Fougeroux, 1786 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Guentheria Lallemand, 1963 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Fulgoridae (Family)
 Guentheria Bleeker, 1862 accepted as Halichoeres Rüppell, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labridae (Family)

Guepinia
 Guepinia Hepp, 1864 accepted as Heppia Nägeli in Hepp, 1853 · Fungi (Kingdom) > Ascomycota (Phylum) > Lichinomycetes (Class) > Lichinales (Order) > Lichinaceae (Family)
     Guepinia E.M. Fries, 1825 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Auriculariales (Order) > Auriculariales incertae sedis (Family)
     Guepinia Bastard, 1812 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Guerangeria
     Guerangeria Cossmann, 1885 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Patellogastropoda (Order) > Acmaeidae (Family)
     Guerangeria Oehlert, 1881 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Modiomorphoida (Order) > Modiomorphoida (awaiting allocation) (Family)

Guerinia
 Guerinia Macquart, 1835 accepted as Guerinia Macquart, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Guerinia Robineau-Desvoidy, 1830 accepted as Guerinia Robineau-Desvoidy, 1830 (nomen dubium)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Guerinia Targioni-Tozzetti, 1868 accepted as Gueriniella Fernald, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Margarodidae (Family)
 Guerinia J. Smith, 1875 accepted as Lindsaea Dryander ex Smith, 1793 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Lindsaeaceae (Family)
 Guerinia Costa, 1853 accepted as Trischizostoma Boeck, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Trischizostomatidae (Family)

Guerinius
     Guerinius Cerda, 2020 accepted as Uniregius Cerda, 2024 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
     Guerinius Ashmead, 1903 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Guernea
     Guernea Chevreux, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Dexaminidae (Family)
 Guernea Thomson, 1895 accepted as Guernella Giesbrecht in Giesbrecht & Schmeil, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Centropagidae (Family)

Guernella
     Guernella Giesbrecht in Giesbrecht & Schmeil, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Centropagidae (Family)
     Guernella Richard, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Diplostraca (Order) > Macrothricidae (Family)

Guestia
     Guestia G.J.D. Smith & K.D. Hyde, 2001 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Xylariales (Order) > Xylariaceae (Family)
     Guestia Meyrick, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Oecophoridae (Family)

Guetera
     Guetera Gray, 1840 accepted as Guetera Gray, 1840 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Guetera Gray, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Teredinidae (Family)

Guggenheimia
     Guggenheimia Monros, 1956 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Guggenheimia Couto, 1952 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Didelphimorphia (Order) > Protodidelphidae (Family)
 Guggenheimia Bravo-Hollis & Manter, 1957 accepted as Haroldmanteria Caballero in Caballero & Bravo-Hollis, 1969 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Lepocreadioidea incertae sedis (Family)

Guiaphaenops
     Guiaphaenops Ueno, 1987 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Guiaphaenops Deuve, 2002 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Guichenotia
     Guichenotia Whitley, 1950 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Kyphosidae (Family)
     Guichenotia J. Gay, 1821 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Guidonia
     Guidonia Stefani, 1880 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Archaeogastropoda (Order) > Archaeogastropoda (awaiting allocation) (Family)
 Guidonia P. Browne, 1756 accepted as Laetia Loefling ex Linnaeus, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)
 Guidonia P. Miller, 1754 accepted as Samyda N.J. Jacquin, 1760 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)
 Guidonia (A.P. de Candolle) Grisebach, 1859 accepted as Samyda N.J. Jacquin, 1760 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)

Guildingia
     Guildingia Carpenter, 1882 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Chitonida (Order) > Mopaliidae (Family)
     Guildingia Dall, 1882 accepted as Guildingia Dall, 1882 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Guildingia Pilsbry, 1893 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Guildingia W.J. Hooker, 1829 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Guilielmia
 Guilielmia Scherer, 1961 accepted as Guilelmia Weise, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Guilielmia [misspelling] accepted as Guilelmia Weise, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Guillainia
     Guillainia Crosse, 1884 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Pomatiidae (Family)
     Guillainia Bourguignat, 1885 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Guillainia Vieillard, 1866 accepted as Alpinia Roxburgh, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)

Guilliermondia
     Guilliermondia Boudier, 1904 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariales (Order) > Sordariaceae (Family)
 Guilliermondia Nadson & Konokotine, 1911 accepted as Nadsonia H. Sydow, 1912 · Fungi (Kingdom) > Ascomycota (Phylum) > Saccharomycetes (Class) > Saccharomycetales (Order) > Saccharomycetales incertae sedis (Family)

Guinea
     Guinea Koçak & Kemal, 2008 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)
     Guinea Hedges, Adalsteinsson & Branch, 2009 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Leptotyphlopidae (Family)

Guizhoudiscus
     Guizhoudiscus Zhang in Zhang, Lu, Zhu, Qian, Lin, Zhou, Zhang & Yuan, 1980 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Guizhoudiscus Zhang, 1978 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Guizhouella
     Guizhouella Yang, 1978 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Gigantoproductidae (Family)
     Guizhouella Shu, 1990 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Bradoriida (Order) > Bradoriida (awaiting allocation) (Family)
     Guizhouella Liu in Liu, Yin, Wang, Luo & Wang, 2003 † accepted as Asialepidotus Su, 1959 † (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Panxianichthyformes (Order) > Panxianichthyidae (Family)

Gulielmites
     Gulielmites Buckman, 1923 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Kosmoceratidae (Family)
 Gulielmites Quenstedt, 1867 † accepted as · Questionable / non-biota (fossil) (Kingdom) > Pseudofossils (Phylum) > (Class) > (Order) > (Family)

Gulliveria
     Gulliveria D'Abrera & Bálint in D'Abrera, 2001 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)
 Gulliveria Castelnau, 1878 accepted as Glossamia Gill, 1863 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Apogonidae (Family)

Gulo
 Gulo Desmarest, 1820 accepted as Galictis Bell, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Gulo Pallas, 1780 accepted as Gulo Pallas, 1780 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)

Gümbelites
     Gümbelites Mojsisovics, 1896 † accepted as Guembelites Mojsisovics, 1897 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)
 Gümbelites Mojsisovics, 1897 † accepted as Guembelites Mojsisovics, 1897 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)

Gumina
     Gumina Finlay, 1928 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Pyramidellidae (Family)
 Gumina Bowerbank, 1874 accepted as Gumina Bowerbank, 1874 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Chondrillida (Order) > Chondrillidae (Family)

Gunda
     Gunda Walker, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Bombycidae (Family)
 Gunda Schmidt, 1862 accepted as Procerodes Girard, 1850 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Procerodidae (Family)

Gundlachia
     Gundlachia L. Pfeiffer, 1850 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Planorbidae (Family)
     Gundlachia A. Gray, 1880 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Gundlachia Herrich-Schäffer, 1866 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Gundlachia Cresson, 1865 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Gunentophorus
     Gunentophorus Costa, 1843 accepted as Sphaeronotus Claus, 1864 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Notodelphyidae (Family)
 Gunentophorus Kerschner, 1879 accepted as Sphaeronotus Claus, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Notodelphyidae (Family)

Gunnarella
     Gunnarella Spjeldnaes, 1957 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Strophomenatida (Order) > Strophomenidae (Family)
     Gunnarella K. Senghas, 1988 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gunneropsis
 Gunneropsis † accepted as Gunnaropsis Spjeldnaes, 1963 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Podocopida (awaiting allocation) (Family)
     Gunneropsis Oersted, 1857 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gunnerales (Order) > Gunneraceae (Family)

Gunnia
     Gunnia Gatehouse, 1968 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariidae (Family)
 Gunnia F. von Mueller, 1858 accepted as Gunniopsis Pax in Engler & Prantl, 1889 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)
 Gunnia Lindley, 1834 accepted as Sarcochilus R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Guntheria
     Guntheria Womersley, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Trombiculidae (Family)
 Guntheria Bleeker, 1862 accepted as Guentheria Bleeker, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labridae (Family)
 Guntheria Miranda-Ribeiro, 1926 accepted as Dendropsophus Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Hylidae (Family)

Güntheria
 Güntheria Miranda-Ribeiro, 1926 accepted as Dendropsophus Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Hylidae (Family)
 Güntheria Bleeker, 1862 accepted as Halichoeres Rüppell, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labridae (Family)

Guppya
     Guppya Mörch, 1867 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicarionidae (Family)
     Guppya Tate, 1870 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicarionidae (Family)

Gurltia
     Gurltia Wolffhügel, 1933 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Metastrongylidae (Family)
 Gurltia Klotzsch, 1854 accepted as Begonia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cucurbitales (Order) > Begoniaceae (Family)

Gurneya
     Gurneya Roth, 1974 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blaberidae (Family)
     Gurneya Brtek, 1996 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Anostraca (Order) > Anostraca (awaiting allocation) (Family)

Gussonea
 Gussonea Parlatore, 1838 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Gussonea J.S. Presl & K.B. Presl in K.B. Presl, 1828 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)
 Gussonea A. Richard, 1828 accepted as Solenangis Schlechter, 1918 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Gussonea Tornabene, 1848-1849(?) accepted as Pleopsidium Körber, 1855 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Acarosporales (Order) > Acarosporaceae (Family)
 Gussonea Monterosato, 1912 accepted as Nassarius Duméril, 1805 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Nassariidae (Family)

Gustavia
     Gustavia Linnaeus, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Lecythidaceae (Family)
     Gustavia Kramer, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Gustaviidae (Family)

Gutenbergia
     Gutenbergia C.H. Schultz-Bipontinus, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gutenbergia W.G. Walpers, 1848 accepted as Morinda Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Gutierrezia
 Gutierrezia Mateu, 1955 accepted as Mimodromius Chaudoir, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Gutierrezia Lagasca, 1816 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Guttula
     Guttula Schepman, 1908 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Seguenziidae (Family)
     Guttula Skvortzov & Noda, 1969 (uncertain)· Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > (Order) > Gomesiamonadaceae (Family)
 Guttula Dodekova, 1983 † accepted as Dodekovaea E.A. Molinari-Novoa & M.D. Guiry, 2021 † · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > (Order) > (Family)

Guttulina
     Guttulina d'Orbigny in Sagra, 1839 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Polymorphinidae (Family)
 Guttulina L. Cienkowski in A. Batalin, 1874 accepted as Pocheina A.R. Loeblich & Tappan, 1961 · Chromista (Kingdom) > Cercozoa (Phylum) > (Class) > (Order) > Guttulinopsidae (Family)

Guyona
 Guyona Risbec, 1928 accepted as Guyona Risbec, 1928 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Dorididae (Family)
     Guyona Surcouf, 1921 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tabanidae (Family)

Guyonia
     Guyonia Naudin, 1850 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
 Guyonia Risbec, 1928 accepted as Doris Linnaeus, 1758 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Dorididae (Family)

Guzlandsia
     Guzlandsia E.J. Gouda, 2020 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Bromeliaceae (Family)
     Guzlandsia Anonymous, 1979 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Bromeliaceae (Family)

Gwynia
     Gwynia King, 1859 · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > (Family)
 Gwynia Pourtalès, 1874 accepted as Guynia Duncan, 1873 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Guyniidae (Family)

Gyalecta
     Gyalecta Acharius, 1808 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Gyalectaceae (Family)
 Gyalecta A. Eaton, 1829 accepted as Diploschistes Norman, 1853 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Thelotremataceae (Family)

Gyaloplasma
     Gyaloplasma Zhavoronkova in Tyazheva, Zhavoronkova & Garifullina, 1976 † · Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Rugosa (awaiting allocation) (Family)
     Gyaloplasma Zhavoronkova in Tyazheva, 1986 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Rugosa (awaiting allocation) (Family)

Gyas
     Gyas Simon, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Sclerosomatidae (Family)
 Gyas R.A. Salisbury, 1812 accepted as Bletia Ruiz & Pavón, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gyioperus
 Gyioperus Agassiz, 1846 accepted as Guioperus Perty, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gyioperus Gemminger & Harold, 1871 accepted as Guioperus Perty, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gyliauchen
     Gyliauchen Nicoll, 1915 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Opisthorchiida (Order) > Gyliauchenidae (Family)
 Gyliauchen Pilsbry in Pilsbry & Tryon, 1917 accepted as Gyliotrachela Tomlin, 1930 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Vertiginidae (Family)

Gymnacanthus
 Gymnacanthus accepted as Gymnocanthus Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Cottidae (Family)
 Gymnacanthus Oersted, 1854 accepted as Ruellia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
 Gymnacanthus C.G.D. Nees in J. Lindley, 1836 accepted as Ruellia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
     Gymnacanthus Benoit, 1952 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Gymnagathis
 Gymnagathis J.C. Schauer, 1843 accepted as Melaleuca Linnaeus, 1767 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
 Gymnagathis Stapf, 1892 accepted as Fordiophyton Stapf, 1892 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Gymnasio
     Gymnasio Bonaparte, 1854, nom. nud. accepted as Megascops Kaup, 1848 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)
 Gymnasio Bonaparte, 1854 accepted as Megascops Kaup, 1848 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)

Gymnaster
 Gymnaster Kitamura, 1937 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gymnaster Schütt, 1891 accepted as · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gymnodiniales (Order) > Actiniscaceae (Family)

Gymnauletes
     Gymnauletes Voss, 1933 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Gymnauletes Legalov, 2001 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Attelabidae (Family)

Gymnia
     Gymnia Spinola, 1853 accepted as Tanymeles Konow, 1906 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Argidae (Family)
     Gymnia Brullé in Lepeletier, 1846 accepted as Didymia Lepeletier & Serville, 1828 (junior objective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Argidae (Family)

Gymnobaris
 Gymnobaris Champion, 1909 accepted as Eugymnobaris Hustache, 1938 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Gymnobaris Lea, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gymnocactus
 Gymnocactus Backeberg, 1938 accepted as Turbinicarpus F. Buxbaum & Backeberg, 1937 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)
 Gymnocactus V. John & J. Ríha, 1981 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Gymnocaulus
 Gymnocaulus R.A. Philippi, 1858 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Calyceraceae (Family)
     Gymnocaulus Emmons, 1856 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridophyta/Pteridospermophyta (unclassified foliage) (Class) > Pteridophyta/Pteridospermophyta (awaiting allocation) (Order) > Pteridophytes/Pteridosperms (awaiting allocation) (Family)

Gymnocephala
     Gymnocephala Diesing, 1858 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Gymnocephala Leidy, 1877 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
 Gymnocephala LeMaout, 1853 accepted as Perissocephalus Oberholser, 1899 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)

Gymnocephalus
 Gymnocephalus Geoffroy, 1809 accepted as Perissocephalus Oberholser, 1899 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)
     Gymnocephalus Bloch, 1793 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Percidae (Family)
 Gymnocephalus Schwägrichen, 1816 accepted as Gymnocephalus Schwägrichen, 1816 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Rhizogoniales (Order) > Aulacomniaceae (Family)
 Gymnocephalus Cocco, 1829 accepted as Centrolophus Lacepède, 1802 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Centrolophidae (Family)

Gymnoceromyia
     Gymnoceromyia Bigot, 1888 accepted as Gymnoceromyia Bigot, 1890 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)
     Gymnoceromyia Bigot, 1890 accepted as Sympycnus Loew, 1857 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)

Gymnochaeta
     Gymnochaeta Steudel, 1855 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)
     Gymnochaeta Macquart, 1835 accepted as Gymnocheta Robineau-Desvoidy, 1830 (unjustified emendation)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Gymnochanda
     Gymnochanda Fraser-Brunner, 1955 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Ambassidae (Family)
 Gymnochanda Boeseman, 1957 accepted as Gymnochanda Fraser-Brunner, 1955 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Ambassidae (Family)

Gymnocheila
 Gymnocheila Agassiz, 1846 accepted as Gymnochila Klug in Erichson, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Trogossitidae (Family)
 Gymnocheila White, 1846 accepted as Gymnochila Klug in Erichson, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Trogossitidae (Family)

Gymnochilus
     Gymnochilus Eichhoff, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gymnochilus Clements, 1896 accepted as Psathyrella (E.M. Fries) Quélet, 1872 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Psathyrellaceae (Family)
 Gymnochilus Blume, 1859 accepted as Cheirostylis Blume, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Gymnocidaris
 Gymnocidaris A. Agassiz, 1863 accepted as Eucidaris Pomel, 1883 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Cidaroida (Order) > Cidaridae (Family)
     Gymnocidaris L. Agassiz, 1838 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Hemicidaroida (Order) > Hemicidaridae (Family)

Gymnococcus
     Gymnococcus Cockerell, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Eriococcidae (Family)
     Gymnococcus Zopf in Schenk, 1884 · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Gymnococcus Douglas, 1888 accepted as Ovaticoccus Kloet, 1944 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Eriococcidae (Family)

Gymnocrotaphus
     Gymnocrotaphus Günther, 1859 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sparidae (Family)
     Gymnocrotaphus Büttikofer, 1896 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gymnocybe
 Gymnocybe P.A. Karsten, 1879 accepted as Pholiota (E.M. Fries) P. Kummer, 1871 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Strophariaceae (Family)
 Gymnocybe E.M. Fries, 1825 accepted as Aulacomnium Schwägrichen, 1827 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Rhizogoniales (Order) > Aulacomniaceae (Family)

Gymnoderma
     Gymnoderma Nylander, 1860 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Lecanorales (Order) > Cladoniaceae (Family)
 Gymnoderma Humboldt, 1793 accepted as Gymnoderma Humboldt, 1793 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Thelephorales (Order) > Thelephoraceae (Family)
     Gymnoderma Budde-Lund in Voeltzkow, 1908 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Gymnodes
 Gymnodes (Grisebach) Fourreau, 1869 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Juncaceae (Family)
 Gymnodes accepted as Gymnodus Kirby, 1827 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gymnodia
     Gymnodia Fell, 1962 † · Animalia (Kingdom) > Echinodermata (Phylum) > Ophiuroidea (Class) > Ophiurida (Order) > Amphiuridae (Family)
     Gymnodia Robineau-Desvoidy, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)

Gymnodiscus
     Gymnodiscus Lessing, 1831 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gymnodiscus H. Zukal, 1887 accepted as Ascozonus (Renny) E.C. Hansen, 1876 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Thelebolales (Order) > Thelebolaceae (Family)

Gymnodus
 Gymnodus Kirby, 1827 accepted as Osmoderma Lepeletier & Serville, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gymnodus Delfortrie, 1871 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Gymnogaster
     Gymnogaster Lioy, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Gymnogaster Brünnich, 1788 accepted as Trachipterus Goüan, 1770 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Lampriformes (Order) > Trachipteridae (Family)
     Gymnogaster Gronow, 1763 accepted as Trichiurus Linnaeus, 1758 (unavailable name)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Trichiuridae (Family)
     Gymnogaster J.W. Cribb, 1956 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Agaricaceae (Family)
     Gymnogaster Dejean, 1833 accepted as Gymnogaster Blanchard, 1851 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gymnogaster Blanchard, 1851 accepted as Gymnogaster Blanchard, 1851 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gymnogaster Townsend, 1926 accepted as Eugymnogaster Townsend, 1931 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Gymnognathus
 Gymnognathus Sauvage, 1884 accepted as Elopichthys Bleeker, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
     Gymnognathus Solier in Gay, 1851 accepted as Arthroconus Solier in Gay, 1851 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Gymnognathus Schönherr, 1823 accepted as Gymnoganthus Schoenherr, 1826 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)

Gymnogonium
 Gymnogonium Xu & Huang, 1994 accepted as Heterotiara Maas, 1905 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Bythotiaridae (Family)
 Gymnogonium Parry accepted as Goodmania J.L. Reveal & B.J. Ertter, 1977 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Polygonaceae (Family)

Gymnogramma
 Gymnogramma Desvaux, 1811 accepted as Hemionitis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Pteridaceae (Family)
     Gymnogramma Zeller, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lacturidae (Family)

Gymnograptus
     Gymnograptus Bulman, 1953 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptoloidea (Order) > Climacograptidae (Family)
     Gymnograptus Lapworth, 1880 † accepted as Gymnograptus Bulman, 1953 † (nomen nudum)· Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptoloidea (Order) > Climacograptidae (Family)

Gymnogyne
     Gymnogyne Steetz in J.G.C. Lehmann, 1845 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Gymnogyne (F. Didrichsen) F. Didrichsen, 1859 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Urticaceae (Family)

Gymnolepas
     Gymnolepas Aurivillius, 1894 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Gymnolepas Blainville, 1824 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Gymnoloma
     Gymnoloma Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gymnoloma Burmeister, 1844 accepted as Gymnoloma Dejean, 1833 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Gymnoloma Ker-Gawler, 1822 accepted as Gymnolomia Kunth in Humboldt, Bonpland & Kunth, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gymnometopa
 Gymnometopa Duda, 1923 accepted as Gymnometopina Hedicke, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sphaeroceridae (Family)
     Gymnometopa Coquillett, 1905 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)

Gymnometriocnemus
     Gymnometriocnemus Edward, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)
 Gymnometriocnemus Goetghebuer, 1932 accepted as Gymnometriocnemus Edward, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)

Gymnomitrion
     Gymnomitrion Corda in Opiz, 1829 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Jungermanniales (Order) > Gymnomitriaceae (Family)
 Gymnomitrion J.W.P. Huebener, 1834 accepted as · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Metzgeriales (Order) > Aneuraceae (Family)

Gymnomyza
     Gymnomyza Fallén, 1810 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Gymnomyza Strobl, 1894 accepted as Actenoptera Czerny, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Piophilidae (Family)
     Gymnomyza Reichenow, 1914 accepted as Eugymnomyza Andersen, Gregory, Dickinson, Watling & Scofield, 2022 (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Meliphagidae (Family)

Gymnonotus
 Gymnonotus Chevrolat, 1879 accepted as Cholus Germar, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Gymnonotus Bloch & Schneider, 1801 accepted as Gymnotus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gymnotiformes (Order) > Gymnotidae (Family)

Gymnopa
     Gymnopa Fallén, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Ephydridae (Family)
     Gymnopa Stephens, 1829 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gymnophora
     Gymnophora Macquart, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Phoridae (Family)
     Gymnophora P.V. Heath, 1992 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Gymnophrys
     Gymnophrys Cienkowsky, 1876 · Chromista (Kingdom) > Cercozoa (Phylum) > Vampyrellidea (Class) > Vampyrellida (Order) > Vampyrellidae (Family)
     Gymnophrys Swainson, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gymnopithys
     Gymnopithys Bonaparte, 1857 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Thamnophilidae (Family)
     Gymnopithys Bonaparte, 1854 accepted as Gymnopithys Bonaparte, 1857 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Thamnophilidae (Family)

Gymnopoda
     Gymnopoda Macquart, 1835 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Gymnopoda Felder, 1874 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Gymnopogon
     Gymnopogon Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Gymnopogon accepted as Gymnapogon Regan, 1905 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Apogonidae (Family)

Gymnops
     Gymnops Blanford, 1870 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Lacertidae (Family)
 Gymnops Cuvier, 1829 accepted as Sarcops Walden, 1875 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sturnidae (Family)
     Gymnops Spix, 1824 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Accipitriformes (Order) > Falconidae (Family)

Gymnopsis
     Gymnopsis Rondani, 1859 accepted as Rondanimyia Townsend, 1908 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Gymnopsis Rafinesque, 1815 accepted as Gymnomuraena Lacepède, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Muraenidae (Family)
 Gymnopsis A.P. de Candolle, 1836 accepted as Aspilia L.M.A.A. Du Petit-Thouars, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gymnopteris
 Gymnopteris Bernhardi, 1799 accepted as Hemionitis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Pteridaceae (Family)
 Gymnopteris K.B. Presl, 1836 accepted as Leptochilus Kaulfuss, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)

Gymnopus
     Gymnopus Gray, 1842 accepted as Mustela Linnaeus, 1758 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Gymnopus Gray, 1865 accepted as Mustela Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
     Gymnopus (Persoon) H.F.A. Roussel, 1806 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Omphalotaceae (Family)
     Gymnopus Duméril & Bibron, 1834 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Testudines (Order) > Trionychidae (Family)
     Gymnopus Brookes, 1828 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gymnopus Blyth, 1843 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Coraciiformes (awaiting allocation) (Family)
 Gymnopus (Quélet) Quélet ex Mougeot & Ferry in L. Louis, 1887 accepted as Boletus E.M. Fries, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Boletaceae (Family)

Gymnorhinus
 Gymnorhinus Hilgendorf in Hemprich & Ehrenberg, 1899 accepted as Carcharhinus Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Carcharhinidae (Family)
     Gymnorhinus Wied, 1840-41 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)

Gymnorhynchus
     Gymnorhynchus Rudolphi, 1819 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Trypanorhyncha (Order) > Gymnorhynchidae (Family)
 Gymnorhynchus Horst, 1918 accepted as Gymnonereis Horst, 1919 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Nereididae (Family)

Gymnoris
     Gymnoris Blyth, 1845 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Passeridae (Family)
     Gymnoris Hodgson, 1844 accepted as Gymnoris Hodgson, 1844 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Passeridae (Family)

Gymnoscelis
     Gymnoscelis Mabille, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Gymnoscelis Dalla Torre, 1898 accepted as Gymnoscelis Dalla Torre, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)

Gymnoscyphus
     Gymnoscyphus Böhlke & Robins, 1970 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiesociformes (Order) > Gobiesocidae (Family)
 Gymnoscyphus Corda in J. Sturm, 1835 accepted as Solenostoma Mitten, 1864 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Jungermanniales (Order) > Jungermanniaceae (Family)

Gymnosoma
     Gymnosoma Quatrefages, 1866 accepted as Gymnosoma Quatrefages, 1866 (nomen dubium)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Sabellida (Order) > Sabellidae (Family)
     Gymnosoma Meigen, 1803 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Gymnosorus
     Gymnosorus Trevisan, 1848 accepted as Gymnosorus Trevisan, 1848 (nomen dubium)· Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Peyssonneliales (Order) > Peyssonneliaceae (Family)
 Gymnosorus J.G. Agardh, 1894 accepted as Lobophora J.G. Agardh, 1894 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Dictyotales (Order) > Dictyotaceae (Family)

Gymnosphaera
 Gymnosphaera Tassi, 1902 accepted as Stagonospora (P.A. Saccardo) P.A. Saccardo, 1884 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Phaeosphaeriaceae (Family)
     Gymnosphaera Sassaki, 1893 · Chromista (Kingdom) > Retaria (Phylum) > (Class) > Gymnosphaerida (Order) > Gymnosphaeridae (Family)
     Gymnosphaera C.L. Blume, 1828 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Cyatheales (Order) > Cyatheaceae (Family)

Gymnospora
     Gymnospora Moniez, 1886 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Arthrogregarida (Order) > Gregarinidae (Family)
     Gymnospora (Chodat) J.F.B. Pastore, 2013 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Polygalaceae (Family)

Gymnostomum
 Gymnostomum J. Hedwig, 1801 accepted as Gymnostomum J. Hedwig, 1801 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Pottiales (Order) > Pottiaceae (Family)
     Gymnostomum C.G.D. Nees & Hornschuch in C.G.D. Nees, Hornschuch & Sturm, 1823 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Bryales (Order) > Bartramiaceae (Family)

Gymnota
 Gymnota Gistl, 1848 accepted as Chrysomela Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Gymnota Gistl, 1834 accepted as Ancylocheira Eschscholtz, 1829 (junior objective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Gymnotheca
     Gymnotheca Decaisne, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Piperales (Order) > Saururaceae (Family)
 Gymnotheca K.B. Presl, 1845 accepted as Marattia O. Swartz, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Marattiales (Order) > Marattiaceae (Family)

Gymnothorax
     Gymnothorax Bloch, 1795 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Muraenidae (Family)
     Gymnothorax Cuvier, 1800 accepted as Gymnothorax Cuvier, 1800 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Muraenidae (Family)
 Gymnothorax Duda, 1923 accepted as Achaetothorax Hedicke, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sphaeroceridae (Family)

Gymnotus
     Gymnotus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gymnotiformes (Order) > Gymnotidae (Family)
     Gymnotus Berthold in Latreille, 1827 accepted as Gymnetis Macleay, 1819 (misspelling - incorrect subsequent spelling)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Gymnura
     Gymnura van Hasselt, 1823 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Myliobatiformes (Order) > Gymnuridae (Family)
     Gymnura Nuttall, 1834 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gymnura Kuhl, 1823 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Gymnura Müller & Henle, 1837 accepted as Urogymnus Müller & Henle, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Myliobatiformes (Order) > Dasyatidae (Family)
 Gymnura Lesson, 1827 accepted as Echinosorex de Blainville, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Erinaceomorpha (Order) > Erinaceidae (Family)

Gymnurus
 Gymnurus accepted as Echinosorex de Blainville, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Erinaceomorpha (Order) > Erinaceidae (Family)
 Gymnurus Rafinesque, 1815 accepted as Taenioides Lacepède, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)
 Gymnurus Nordman, 1837 accepted as Taenodema Laporte, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gymnusa
     Gymnusa Karsten in Gravenhorst, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gymnusa Mannerheim, 1830 accepted as Gymnusa Karsten in Gravenhorst, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gynandrophthalma
     Gynandrophthalma Gemminger & Harold, 1874 accepted as Gynandrophthalma Lacordaire, 1848 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Gynandrophthalma Lacordaire, 1848 accepted as Anomoea Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Gyndes
 Gyndes Sørensen, 1884 accepted as Eugyndes Roewer, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Gyndes Stål, 1862 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Gynerium
 Gynerium Humboldt in Humboldt & Bonpland, 1813 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Gynerium Willdenow ex Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Gypaetos
 Gypaetos Geoffroy, 1797 accepted as Gypaetus Storr, 1784 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Accipitriformes (Order) > Accipitridae (Family)
     Gypaetos Bechstein in Levaillant, 1798 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Gypsophila
     Gypsophila Oates, 1883 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Gypsophila Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)

Gyptis
     Gyptis (Cassini) Cassini in F. Cuvier, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Gyptis Marion & Bobretzky in Marion, 1874 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Hesionidae (Family)

Gyrandra
     Gyrandra Grisebach in Alph. de Candolle, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)
 Gyrandra N. Wallich, 1847 accepted as Daphniphyllum Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Daphniphyllaceae (Family)

Gyrina
     Gyrina V.S. Maljavkina, 1949 † · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Gyrina Schumacher, 1817 accepted as Ranella Lamarck, 1816 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Ranellidae (Family)

Gyrinella
     Gyrinella V.S. Maljavkina, 1949 † · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Gyrinella Dall, 1924 accepted as Gyrineum Link, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Ranellidae (Family)

Gyrinoides
     Gyrinoides Motschoulsky, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)
 Gyrinoides Guignot, 1948 accepted as Gyrinus Müller, 1764 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)

Gyrinopsis
     Gyrinopsis Handlirsch, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)
 Gyrinopsis Dall, 1925 accepted as Ranella Lamarck, 1816 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Ranellidae (Family)
 Gyrinopsis Decaisne, 1843 accepted as Aquilaria Lamarck, 1783 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Thymelaeaceae (Family)

Gyrinus
 Gyrinus Shaw, 1798 accepted as Ambystoma Tschudi, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Caudata (Order) > Ambystomatidae (Family)
     Gyrinus Müller, 1764 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)
 Gyrinus Geoffroy, 1762 accepted as Gyrinus Müller, 1764 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)
 Gyrinus Linnaeus, 1767 accepted as Gyrinus Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)

Gyrocephalus
 Gyrocephalus Persoon, 1824 accepted as Gyromitra E.M. Fries, 1849 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Discinaceae (Family)
 Gyrocephalus Brefeld, 1888 accepted as Guepinia E.M. Fries, 1825 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Auriculariales (Order) > Auriculariales incertae sedis (Family)

Gyroceras
     Gyroceras de Koninck, 1844 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Nautilida (Order) > Nautilidae (Family)
     Gyroceras Owen, 1844 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gyrocerus
     Gyrocerus King, 1844 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gyrocerus Corda, 1837 accepted as Circinotrichum C.G.D. Nees, 1816 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Gyrocochlea
     Gyrocochlea Iredale, 1941 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Gyrocochlea Hedley, 1924 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Charopidae (Family)

Gyrodactylus
     Gyrodactylus Cobbold, 1864 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Gyrodactylidea (Order) > Gyrodactylidae (Family)
     Gyrodactylus von Nordmann, 1832 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Gyrodactylidea (Order) > Gyrodactylidae (Family)

Gyrodendron
     Gyrodendron Quenstedt, 1880 † · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Calamophylliidae (Family)
     Gyrodendron E.O. Ulrich, 1904 † (uncertain)· Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)

Gyrodoma
     Gyrodoma Etheridge, 1898 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Hormotomidae (Family)
     Gyrodoma H. Wild, 1974 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gyrodroma
     Gyrodroma Klug, 1807 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Gyrodroma Thomson, 1872 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Gyrodus
     Gyrodus Agassiz, 1833 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pycnodontiformes (Order) > Gyrodontidae (Family)
 Gyrodus Hustache, 1934 accepted as Cylindrocopturus Heller, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Gyrohypnus
     Gyrohypnus Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gyrohypnus Kirby in Samouelle, 1819 accepted as Gyrohypnus Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gyrohypnus Mannerheim, 1831 accepted as Gyrohypnus Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Gyrohypnus Samouelle, 1819 accepted as Gyrohypnus Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gyrolepis
     Gyrolepis Agassiz, 1833 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeoniscidae (Family)
 Gyrolepis Kade, 1858 † accepted as Porolepis Woodward, 1891 † · Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Porolepiformes (Order) > Porolepididae (Family)

Gyromitra
     Gyromitra E.M. Fries, 1849 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Discinaceae (Family)
     Gyromitra (E.M. Fries) S. Imai, 1932 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Helvellaceae (Family)

Gyronotus
     Gyronotus Lansberge, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Gyronotus Klug, 1850 accepted as Gyronotus Lansberge, 1874 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Gyronotus Cameron, 1948 accepted as Marecon Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Gyrophora
 Gyrophora Patouillard, 1887 accepted as Serpula (Persoon) S.F. Gray, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Serpulaceae (Family)
 Gyrophora Acharius, 1803 accepted as Umbilicaria G.F. Hoffmann, 1789 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Umbilicariales (Order) > Umbilicariaceae (Family)

Gyrophyllites
     Gyrophyllites Glocker, 1841 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Equisetidae (awaiting allocation) (Order) > Equisetidae (awaiting allocation) (Family)
     Gyrophyllites Wiedman, 1963 † accepted as Gyrophylloceras Howarth, 2018 † (junior homonym)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Phylloceratida (Order) > Phylloceratidae (Family)

Gyrophyllum
     Gyrophyllum Studer, 1891 · Animalia (Kingdom) > Cnidaria (Phylum) > Octocorallia (Class) > Scleralcyonacea (Order) > Gyrophyllidae (Family)
     Gyrophyllum Dozy & Molkenboer, 1846 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Dicranales (Order) > Dicranaceae (Family)
     Gyrophyllum (T. Nuttall) Mesfin Tadesse & D.J. Crawford, 2023 accepted as Anacis Schrank, 1817 (junior homonym)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Gyroplacosteus
     Gyroplacosteus Obrutschev, 1930 † · Animalia (Kingdom) > Chordata (Phylum) > Placodermi (Class) > Arthrodira (Order) > Arthrodira (awaiting allocation) (Family)
     Gyroplacosteus Obrutschev, 1930, nom. nud. † accepted as Gyroplacosteus Obrutschev, 1930 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Placodermi (Class) > Arthrodira (Order) > Arthrodira (awaiting allocation) (Family)

Gyroptera
     Gyroptera Janse, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Limacodidae (Family)
 Gyroptera V.P. Botschantzev, 1967 accepted as Lagenantha Chiovenda, 1929 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Gyroptera Bradley, 1968 † accepted as Eugyroptera Bradley, 1977 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)

Gyrorbis
 Gyrorbis Moquin-Tandon, 1856 accepted as Wuestia Honigmann, 1909 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Gyrorbis Fitzinger, 1833 accepted as Valvata O. F. Müller, 1774 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Valvatidae (Family)

Gyrosteus
     Gyrosteus Morris, 1854 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeonisciformes (awaiting allocation) (Family)
     Gyrosteus Agassiz, 1844 † accepted as Gyrosteus Morris, 1854 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeonisciformes (awaiting allocation) (Family)
     Gyrosteus Agassiz in Egerton, 1837 † accepted as Gyrosteus Morris, 1854 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeonisciformes (awaiting allocation) (Family)

Gyrostoma
     Gyrostoma Kwietniewski, 1897 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Actiniaria (Order) > Actiniidae (Family)
 Gyrostoma Gray, 1857 accepted as Gyrotoma Shuttleworth, 1845 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Pleuroceridae (Family)
     Gyrostoma Kirby & Spence, 1828 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Gyrostoma Hesse, 1909 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gyrosus
 Gyrosus Gray in Gerrard, 1862 accepted as Sus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Suidae (Family)
     Gyrosus Xu & Zhang, 2023 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Gyrotrema
     Gyrotrema A. Frisch, 2006 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)
     Gyrotrema Bigsby, 1868 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Gyrovaga
 Gyrovaga Gistl, 1848 accepted as Nitidula Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Nitidulidae (Family)
     Gyrovaga Townsend, 1932 accepted as Drino Robineau-Desvoidy, 1863 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
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