Aaptosyax Rainboth, 1991 (basis of record)
Aaptosyax Rainboth, 1991 (extant flag source)
Abalistes Jordan & Seale, 1906 (basis of record)
Abalistes Jordan & Seale, 1906 (extant flag source)
Ablabys Kaup, 1873 (extant flag source)
Ablabys Kaup, 1873 (basis of record)
Ablennes Jordan & Fordice, 1887 (extant flag source)
Ablennes Jordan & Fordice, 1887 (basis of record)
Aborichthys Chaudhuri, 1913 (basis of record)
Abudefduf Forsskål, 1775 (extant flag source)
Abudefduf Forsskål, 1775 (basis of record)
Abyssobrotula Nielsen, 1977 (basis of record)
Abyssobrotula Nielsen, 1977 (extant flag source)
Abyssocottus Berg, 1906 (basis of record)
Abyssocottus Berg, 1906 (extant flag source)
Acanthalburnus Berg, 1916 (extant flag source)
Acanthalburnus Berg, 1916 (basis of record)
Acanthaluteres Bleeker, 1865 (extant flag source)
Acanthaluteres Bleeker, 1865 (basis of record)
Acanthanectes Holleman & Buxton, 1993 (extant flag source)
Acanthanectes Holleman & Buxton, 1993 (basis of record)
Acanthaphritis Günther, 1880 (extant flag source)
Acanthaphritis Günther, 1880 (basis of record)
Acantharchus Gill, 1864 (basis of record)
Acantharchus Gill, 1864 (extant flag source)
Acanthemblemaria Metzelaar, 1919 (extant flag source)
Acanthemblemaria Metzelaar, 1919 (basis of record)
Acanthicus Agassiz in Spix & Agassiz, 1829 (extant flag source)
Acanthicus Agassiz in Spix & Agassiz, 1829 (basis of record)
Acanthistius Gill, 1862 (extant flag source)
Acanthistius Gill, 1862 (basis of record)
Acanthobrama Heckel in Russegger, 1843 (basis of record)
Acanthobrama Heckel in Russegger, 1843 (extant flag source)
Acanthocepola Bleeker, 1874 (extant flag source)
Acanthocepola Bleeker, 1874 (basis of record)
Acanthochaenus Gill, 1884 (extant flag source)
Acanthochaenus Gill, 1884 (basis of record)
Acanthocharax Eigenmann, 1912 (extant flag source)
Acanthocharax Eigenmann, 1912 (basis of record)
Acanthochromis Gill, 1863 (basis of record)
Acanthochromis Gill, 1863 (extant flag source)
Acanthocleithron Nichols & Griscom, 1917 (extant flag source)
Acanthocleithron Nichols & Griscom, 1917 (basis of record)
Acanthoclinus Jenyns, 1841 (basis of record)
Acanthoclinus Jenyns, 1841 (extant flag source)
Acanthocobitis Peters, 1861 (basis of record)
Acanthocybium Gill, 1862 (basis of record)
Acanthodoras Bleeker, 1862 (basis of record)
Acanthodoras Bleeker, 1862 (extant flag source)
Acanthodraco Skóra, 1995 (basis of record)
Acanthodraco Skóra, 1995 (extant flag source)
Acanthogobio Herzenstein, 1892 (extant flag source)
Acanthogobio Herzenstein, 1892 (basis of record)
Acanthogobius Gill, 1859 (extant flag source)
Acanthogobius Gill, 1859 (basis of record)
Acantholabrus Valenciennes in Cuvier & Valenciennes, 1839 (basis of record)
Acantholingua Hadzisce, 1960 accepted as Salmo Linnaeus, 1758 (extant flag source)
Acantholingua Hadzisce, 1960 accepted as Salmo Linnaeus, 1758 (basis of record)
Acantholiparis Gilbert & Burke, 1912 (extant flag source)
Acantholiparis Gilbert & Burke, 1912 (basis of record)
Acantholumpenus Makushok, 1958 (basis of record)
Acantholumpenus Makushok, 1958 (extant flag source)
Acanthonus Günther, 1878 (basis of record)
Acanthonus Günther, 1878 (extant flag source)
Acanthopagrus Peters, 1855 (extant flag source)
Acanthopagrus Peters, 1855 (basis of record)
Acanthoplesiops Regan, 1912 (extant flag source)
Acanthoplesiops Regan, 1912 (basis of record)
Acanthopoma Lütken, 1892 (extant flag source)
Acanthopoma Lütken, 1892 (basis of record)
Acanthopsetta Schmidt, 1904 (extant flag source)
Acanthopsetta Schmidt, 1904 (basis of record)
Acanthopsoides Fowler, 1934 (basis of record)
Acanthopsoides Fowler, 1934 (extant flag source)
Acanthosphex Fowler, 1938 (extant flag source)
Acanthosphex Fowler, 1938 (basis of record)
Acanthostracion Bleeker, 1865 (extant flag source)
Acanthostracion Bleeker, 1865 (basis of record)
Acanthurus Forsskål, 1775 (basis of record)
Acantopsis van Hasselt, 1823 (basis of record)
Acantopsis van Hasselt, 1823 (extant flag source)
Acapoeta Cockerell, 1910 (extant flag source)
Acapoeta Cockerell, 1910 (basis of record)
Acara Heckel, 1840 accepted as Astronotus Swainson, 1839 (extant flag source)
Acara Heckel, 1840 accepted as Astronotus Swainson, 1839 (basis of record)
Acarichthys Eigenmann, 1912 (basis of record)
Acarichthys Eigenmann, 1912 (extant flag source)
Acaronia Myers, 1940 (basis of record)
Acaronia Myers, 1940 (extant flag source)
Acaropsis Steindachner, 1875 accepted as Acaronia Myers, 1940 (basis of record)
Acentrogobius Bleeker, 1874 (basis of record)
Acentronura Kaup, 1853 (basis of record)
Acentronura Kaup, 1853 (extant flag source)
Acentrophryne Regan, 1926 (extant flag source)
Acentrophryne Regan, 1926 (basis of record)
Acestridium Haseman, 1911 (extant flag source)
Acestridium Haseman, 1911 (basis of record)
Achiroides Bleeker, 1851 (basis of record)
Achiroides Bleeker, 1851 (extant flag source)
Achiropsetta Norman, 1930 (extant flag source)