Abarys Agassiz, 1846 accepted as Abaris Dejean, 1831 (original description)
Abia Agassiz, 1846 accepted as Habia Blyth in Cuvier, 1840 (original description)
Acacalis Agassiz, 1846 (original description)
Acanthidositta Agassiz, 1846 accepted as Acanthisitta Gray, 1842 (original description)
Acanthinium Agassiz, 1846 accepted as Trachinotus Lacepède, 1801 (original description)
Acanthoclisis Agassiz, 1846 accepted as Acanthaclisis Rambur, 1842 (original description)
Acanthodera Agassiz, 1846 accepted as Acanthoderes Audinet-Serville, 1835 (original description)
Acanthomerus Agassiz, 1846 accepted as Acanthomera Latreille in Bory, 1828 accepted as Psorodes Dejean, 1834 (original description)
Acanthorhinus Agassiz, 1846 accepted as Acantharhinus Schönherr, 1838 (original description)
Acanthurus Agassiz, 1846 accepted as Acanthrus Acharius, 1780 (original description)
Acerus Agassiz, 1846 accepted as Aceros Hodgson, 1844 (original description)
Acharides Agassiz, 1846 (original description)
Achlys Agassiz, 1846 accepted as Alces Gray, 1821 (original description)
Achroea Agassiz, 1846 accepted as Achroia Hübner, 1819 (original description)
Achrysum Agassiz, 1846 accepted as Achryson Audinet-Serville, 1833 (original description)
Acidura Agassiz, 1846 accepted as Aciura Robineau-Desvoidy, 1830 (original description)
Acinaces Agassiz, 1846 accepted as Gempylus Cuvier, 1829 (original description)
Acmaea Agassiz, 1846 accepted as Acicula Risso, 1826 (original description)
Acodon Agassiz, 1846 accepted as Akodon Meyen, 1833 (original description)
Acoelius Agassiz, 1846 accepted as Adelius Haliday, 1833 (original description)
Acoetes Agassiz, 1846 accepted as Acetes H. Milne Edwards, 1830 (original description)
Acoetus Agassiz, 1846 accepted as Acetes H. Milne Edwards, 1830 (original description)
Acogona Agassiz, 1846 (original description)
Acolpus Agassiz, 1846 (original description)
Acomyia Agassiz, 1846 accepted as Acemya Robineau-Desvoidy, 1830 (original description)
Acoptilia Agassiz, 1846 (original description)
Acoptilus Agassiz, 1846 (original description)
Acosoma Agassiz, 1846 accepted as Acisoma Rambur, 1842 (original description)
Acrocylia Agassiz, 1846 † (original description)
Acromus Agassiz, 1846 (original description)
Acropterum Agassiz, 1846 accepted as Acropteron Perty, 1832 accepted as Acropteryx Gistel, 1831 (original description)
Acrura Agassiz, 1846 (original description)
Actaeonia Agassiz, 1846 accepted as Acteonia Quatrefages, 1844 accepted as Limapontia Johnston, 1836 (original description)
Actaeonisca Agassiz, 1846 † (original description)
Actinorhiza Agassiz, 1846 accepted as Actinorhyza de Blainville, 1830 accepted as Zoanthus Lamarck, 1801 (original description)
Actinura Agassiz, 1846 accepted as Actinodura Gould, 1836 (original description)
Actobia Agassiz, 1846 accepted as Actebia Stephens, 1829 (original description)
Actocora Agassiz, 1846 (original description)
Actophilus Agassiz, 1846 accepted as Harpalus Latreille, 1802 (original description)
Acura Agassiz, 1846 accepted as Schistura McClelland, 1838 (original description)
Acyphodera Agassiz, 1846 accepted as Acyphoderes Audinet-Serville, 1833 (original description)
Adactylotus Agassiz, 1846 accepted as Adactylotis Hübner, 1823 (original description)
Ademonia Agassiz, 1846 accepted as Galeruca Geoffroy, 1762 (original description)
Adena Agassiz, 1846 accepted as Hadena Schrank, 1802 (original description)
Aegaeon Agassiz, 1846 [in Agassiz, 1842-1846] (original description)
Aegeria Agassiz, 1846 accepted as Egeria Robineau-Desvoidy, 1830 accepted as Botanophila Lioy, 1864 (original description)
Aeginia Agassiz, 1846 accepted as Eginia Robineau-Desvoidy, 1830 (original description)
Aegirus Agassiz, 1846 accepted as Aegires Lovén, 1844 (original description)
Aegle Agassiz, 1846 accepted as Egle Robineau-Desvoidy, 1830 (original description)
Aegocerus Agassiz, 1846 accepted as Capra Linnaeus, 1758 (original description)
Aegoides Agassiz, 1846 accepted as Aegoidus Buquet, 1838 (original description)
Aegostetha Agassiz, 1846 accepted as Aegostheta Dejean, 1833 (original description)
Aelia Agassiz, 1846 accepted as Ailia Gray, 1830 (original description)
Aellodon Agassiz, 1846 (original description)
Aëllodon Agassiz, 1846 accepted as Aellodon Agassiz, 1846 (original description)
Aemathion Agassiz, 1846 accepted as Nematodes Berthold in Latreille, 1827 (original description)
Aenopogon Agassiz, 1846 (original description)
Aepyurus Agassiz, 1846 accepted as Aipysurus Lacepède, 1804 (original description)
Aeronaea Agassiz, 1846 accepted as Aerenaea Dejean, 1835 accepted as Aerenea Thomson, 1857 (original description)
Aëronaea Agassiz, 1846 accepted as Aeronaea Agassiz, 1846 accepted as Aerenaea Dejean, 1835 accepted as Aerenea Thomson, 1857 (original description)
Aeronica Agassiz, 1846 accepted as Aerenica Dejean, 1835 (original description)
Aesacus Agassiz, 1846 accepted as Esacus Lesson, 1831 (original description)
Aetheorhinus Agassiz, 1846 accepted as Aetherhinus Schönherr, 1840 (original description)
Aëtheorhinus Agassiz, 1846 accepted as Aetheorhinus Agassiz, 1846 accepted as Aetherhinus Schönherr, 1840 (original description)
Aethius Agassiz, 1846 (original description)
Aëthius Agassiz, 1846 accepted as Aethius Agassiz, 1846 (original description)
Aethon Agassiz, 1846 accepted as Diphucrania Dejean, 1833 (original description)
Aethra Agassiz, 1846 accepted as Ethra Laporte, 1833 (original description)
Aethusa Guérin in Brullé, 1832 accepted as Ethusa Roux, 1830 (original description)
Aethyia Agassiz, 1846 (original description)
Aetia Agassiz, 1846 (original description)
Aëtia Agassiz, 1846 accepted as Aetia Agassiz, 1846 (original description)
Aetoplatia Agassiz, 1846 (original description)
Aëtoplatia Agassiz, 1846 accepted as Aetoplatia Agassiz, 1846 (original description)
Agamerium Agassiz, 1846 accepted as Agamerion Haliday, 1844 (original description)
Agauocephala Agassiz, 1846 accepted as Agaocephala LePeletier & Serville, 1828 (original description)
Agauosoma Agassiz, 1846 accepted as Agaosoma Ménétriés, 1843 accepted as Stenomorphus Dejean, 1831 (original description)
Agelaea Agassiz, 1846 accepted as Agelaia Lepeletier de St Fargeau, 1835 (original description)
Agelaeus Agassiz, 1846 accepted as Agelaius Vieillot, 1816 (original description)
Agenius Agassiz, 1846 accepted as Ageneiosus Lacepède, 1803 (original description)
Aglagus Agassiz, 1846 accepted as Nyctemera Hübner, 1820 (original description)
Aglaophana Agassiz, 1846 accepted as Aglaophenia Lamouroux, 1812 (original description)
Agraules Agassiz, 1846 † accepted as Agraylea Curtis, 1834 (original description)
Agrium Agassiz, 1846 accepted as Agrion Fabricius, 1775 (original description)
Agromenia Agassiz, 1846 (original description)
Agrophila Agassiz, 1846 accepted as Agriphila Hübner, 1825 (original description)
Aix Agassiz, 1846 accepted as Aia Eyton, 1838 (original description)
Alcidium Agassiz, 1846 accepted as Nealcidion Monné, 1977 (original description)
Alecto Agassiz, 1846 accepted as Alecton Laporte, 1833 (original description)
Alectoroenas Agassiz, 1846 accepted as Alectroenas Gray, 1840 (original description)
Alectorophasis Agassiz, 1846 (original description)
Alectorura Agassiz, 1846 accepted as Alectura Latham, 1824 (original description)
Alectorurus Agassiz, 1846 (original description)
Alectrus Agassiz, 1846 accepted as Alectis Rafinesque, 1815 (original description)
Alecturus d'Orbigny & Lafresnay, 1837 (original description)
Alepidocephalus Agassiz, 1846 accepted as Alepocephalus Risso, 1820 (original description)
Alepidosaurus Agassiz, 1846 accepted as Alepisaurus Lowe, 1833 (original description)
Alepis Agassiz, 1846 accepted as Alepes Swainson, 1839 (original description)
Alimma Agassiz, 1846 accepted as Aleimma Hübner, 1825 (original description)
Aliodes Agassiz, 1846 accepted as Aleiodes Wesmael, 1838 (original description)