Aetobatis Müller & Henle, 1837 accepted as Aetobatus Blainville, 1816 (extant flag source)
Aloidis Megerle von Mühlfeld, 1811 accepted as Corbula Bruguière, 1797 (extant flag source)
Amphispyris Haeckel, 1881 (extant flag source)
Ampullaria Lamarck, 1799 accepted as Pila Röding, 1798 (extant flag source)
Ancillaria Lamarck, 1811 accepted as Ancilla Lamarck, 1799 (extant flag source)
Anomocora Studer, 1877 (extant flag source)
Aprionodon Gill, 1861 accepted as Carcharhinus Blainville, 1816 (extant flag source)
Australogyra Veron & Pichon, 1982 (extant flag source)
Australomussa Veron, 1985 accepted as Lobophyllia de Blainville, 1830 (extant flag source)
Avicula Bruguière, 1792 accepted as Pteria Scopoli, 1777 (extant flag source)
Calyptranthes O. Swartz, 1788 (extant flag source)
Choristodon Jonas, 1844 (extant flag source)
Cladaster Verrill, 1899 (extant flag source)
Congeria Partsch, 1835 (extant flag source)
Crassicardia Savitsky, 1979 accepted as Cyclocardia Conrad, 1867 (extant flag source)
Crypthelia Milne Edwards & Haime, 1849 (extant flag source)
Cybium Cuvier, 1829 accepted as Scomberomorus Lacepède, 1801 (extant flag source)
Cyclococcolithus Kamptner, 1954 accepted as Calcidiscus Kamptner, 1950 (extant flag source)
Defrancia Bronn, 1825 accepted as Apsendesia Lamouroux, 1821 † (extant flag source)
Dermatolithon Foslie, 1898 accepted as Titanoderma Nägeli, 1858 (extant flag source)
Dermatomya Dall, 1889 (extant flag source)
Dicyathifer Iredale in Iredale, Johnson & McNeill, 1932 (extant flag source)
Dipsacaster Alcock, 1893 (extant flag source)
Dipylissa Dumitrica, 1988 (extant flag source)
Dolichoderus Lund, 1831 (extant flag source)
Erythrastrea Pichon, Scheer & Pillai, 1983 (extant flag source)
Euarctos Gray, 1865 accepted as Ursus Linnaeus, 1758 (extant flag source)
Filogranula Langerhans, 1884 (extant flag source)
Gadinia Gray, 1824 accepted as Trimusculus F. C. Schmidt, 1818 (extant flag source)
Galeolamna Owen, 1853 (extant flag source)
Glossocardia Stoliczka, 1870 (extant flag source)
Glyptaesopus Pilsbry & Olsson, 1941 (extant flag source)
Goniaster L. Agassiz, 1836 (extant flag source)
Goniocorella Yabe & Eguchi, 1932 (extant flag source)
Halicoryne Harvey, 1860 (extant flag source)
Heterothrissa Günther, 1868 accepted as Setipinna Swainson, 1839 (extant flag source)
Isocardia Lamarck, 1799 accepted as Glossus Poli, 1795 (extant flag source)
Javania Duncan, 1876 (extant flag source)
Leptogenys Roger, 1861 (extant flag source)
Lindapecten Petuch, 1995 (extant flag source)
Lithodomus Cuvier, 1816 accepted as Lithophaga Röding, 1798 (extant flag source)
Macronota Hoffmannsegg, 1817 (extant flag source)
Meleagrina Lamarck, 1819 accepted as Pinctada Röding, 1798 (extant flag source)
Metavermilia Bush, 1905 (extant flag source)
Micromussa Veron, 2000 (extant flag source)
Monostiolum Dall, 1904 (extant flag source)
Myliobates Schinz (ex Duméril), 1822 accepted as Myliobatis Cuvier, 1816 (extant flag source)
Myliobatus accepted as Myliobatis Cuvier, 1816 (extant flag source)
Myopopone Roger, 1861 (extant flag source)
Nemachilus Günther, 1868 accepted as Nemacheilus Bleeker, 1863 (extant flag source)
Nemenzophyllia Hodgson & Ross, 1982 (extant flag source)
Neovermilia Day, 1961 (extant flag source)
Olssonella Petit, 1970 accepted as Axelella Petit, 1988 (extant flag source)
Ophioscolex Müller & Troschel, 1842 (extant flag source)
Ophiothela Verrill, 1867 (extant flag source)
Orthagoriscus Cuvier, 1816 accepted as Mola Koelreuter, 1766 (extant flag source)
Paludestrina d'Orbigny, 1840 (extant flag source)
Paramoltkia W. Greuter, 1981 accepted as Moltkia J.G.C. Lehmann, 1817 (extant flag source)
Paraphaenogaster Dlusskij, 1981 (extant flag source)
Parasimplastrea Sheppard & Sheppard, 1991 accepted as Blastomussa Wells, 1968 (extant flag source)
Parvanachis Radwin, 1968 (extant flag source)
Peltandra Rafinesque, 1819 (extant flag source)
Pentagonaster Gray, 1840 (extant flag source)
Persephonaster Wood-Mason & Alcock, 1891 (extant flag source)
Phalops Erichson, 1847 (extant flag source)
Phoebastria Reichenbach, 1852 (extant flag source)
Phorticium Haeckel, 1881 (extant flag source)
Platypodon Gill, 1862 accepted as Carcharhinus Blainville, 1816 (extant flag source)
Pleurolepis Putnam, 1863 accepted as Ammocrypta Jordan, 1877 (extant flag source)
Plutonaster Sladen, 1889 (extant flag source)
Polycyathus Duncan, 1876 (extant flag source)
Polygireulima Sacco, 1892 (extant flag source)
Protoscolex Ulrich, 1878 † (extant flag source)
Pteroplatea Müller & Henle, 1837 accepted as Gymnura van Hasselt, 1823 (extant flag source)
Puberella Fischer-Piette & Vukadinovic, 1977 accepted as Chionopsis Olsson, 1932 (extant flag source)
Retilaskeya B. A. Marshall, 1978 (extant flag source)
Rheophax Oken, 1815 accepted as Reophax de Montfort, 1808 (extant flag source)
Rhombinella Radwin, 1968 (extant flag source)
Rhombus Cuvier, 1816 accepted as Scophthalmus Rafinesque, 1810 (extant flag source)
Scorpaenoides Priem, 1899 accepted as Scorpaenodes Bleeker, 1857 (extant flag source)
Simomactra Dall, 1894 (extant flag source)
Stegophiura Matsumoto, 1915 (extant flag source)
Stenohelia Kent, 1870 (extant flag source)
Stictopleurus Stål, 1872 (extant flag source)
Stomodon Mitchill, 1814 accepted as Merluccius Rafinesque, 1810 (extant flag source)
Strongylodon Vogel, 1836 (extant flag source)
Stylaraea Milne Edwards & Haime, 1851 (extant flag source)
Technomyrmex Mayr, 1872 (extant flag source)
Tetraplecta Haeckel, 1881 (extant flag source)
Tosia Gray, 1840 (extant flag source)
Trisulcus Popofsky, 1913 accepted as Sherbetra Shɨshkin-Skarð, 2024 (extant flag source)
Tritonium O. F. Müller, 1776 accepted as Buccinum Linnaeus, 1758 (extant flag source)
Vaughanella Gravier, 1915 (extant flag source)
Vitricythara Fargo in Olsson & Harbison, 1953 (extant flag source)