Acanthobatididae Steyskal, 1980 accepted as Anacanthobatidae von Bonde & Swart, 1923 (additional source)
Acanthoclinidae Gunther, 1861 accepted as Plesiopidae Gunther, 1861 (additional source)
Acanthuridae Bonaparte, 1835 (additional source)
Acestrorhynchidae Eigenmann, 1912 (additional source)
Achiropsettidae Heemstra, 1990 (additional source)
Acropomatidae Gill, 1893 (additional source)
Adrianichthyidae Weber, 1913 (additional source)
Ageneiosidae Bleeker, 1862 accepted as Auchenipteridae Bleeker, 1862 (additional source)
Akysidae Gill, 1861 (additional source)
Alabetidae Gill, 1906 accepted as Gobiesocidae Bleeker, 1859 (additional source)
Albulidae Bleeker, 1849 (additional source)
Alepisauridae Swainson, 1839 (additional source)
Alepocephalidae Bonaparte, 1846 (additional source)
Alestidae Cockerell, 1910 (additional source)
Alopiidae Bonaparte, 1835 (additional source)
Amarsipidae Haedrich, 1969 (additional source)
Amblycipitidae Day, 1873 (additional source)
Amiidae Bonaparte, 1831 (additional source)
Ammodytidae Bonaparte, 1835 (additional source)
Amphiliidae Regan, 1911 (additional source)
Anabantidae Bonaparte, 1831 (additional source)
Anablepidae Bonaparte, 1831 (additional source)
Anacanthobatidae von Bonde & Swart, 1923 (additional source)
Anarhichadidae Bonaparte, 1835 (additional source)
Anchariidae Glaw & Vences, 1994 (additional source)
Anguillidae Rafinesque, 1810 (additional source)
Anisochromidae Smith, 1954 accepted as Pseudochromidae Müller & Troschel, 1849 (additional source)
Anomalopidae Gill, 1889 (additional source)
Anotopteridae Zugmayer, 1911 (additional source)
Antennariidae Jarocki, 1822 (additional source)
Aphredoderidae Bonaparte, 1845 (additional source)
Aphyonidae Jordan & Evermann, 1898 (additional source)
Aplocheilichthyidae Myers, 1928 accepted as Poeciliidae Bonaparte, 1831 (additional source)
Aplochitonidae Gunther, 1864 accepted as Galaxiidae Müller, 1845 (additional source)
Aplodactylidae Gunther, 1859 (additional source)
Apogonidae Gunther, 1859 (additional source)
Apteronotidae Jordan, 1923 (additional source)
Aracanidae Hollard, 1860 (additional source)
Arapaimidae Bonaparte, 1845 (additional source)
Arhynchobatidae Fowler, 1934 (additional source)
Ariidae Bleeker, 1858 (additional source)
Ariommatidae Haedrich, 1967 (additional source)
Arripidae Gill, 1893 (additional source)
Artedidraconidae Andriashev, 1967 (additional source)
Aspredinidae Adams, 1854 (additional source)
Astroblepidae Bleeker, 1862 (additional source)
Ateleopidae Kaup, 1858 accepted as Ateleopodidae Bonaparte, 1850 (additional source)
Ateleopodidae Bonaparte, 1850 (additional source)
Auchenipteridae Bleeker, 1862 (additional source)
Aulopidae Bonaparte, 1831 (additional source)
Aulorhynchidae Gill, 1861 (additional source)
Badidae Barlow, Liem & Wickler, 1968 (additional source)
Balistidae Rafinesque, 1810 (additional source)
Balitoridae Swainson, 1839 (additional source)
Banjosidae Jordan & THompson, 1912 (additional source)
Bathyclupeidae Gill, 1896 (additional source)
Bathydraconidae Regan, 1913 (additional source)
Bathygadidae Jordan & Evermann, 1898 accepted as Macrouridae Bonaparte, 1831 (additional source)
Bathylaconidae Parr, 1948 accepted as Alepocephalidae Bonaparte, 1846 (additional source)
Bathymasteridae Jordan & Gilbert, 1883 (additional source)
Bathypteroidae Gill, 1893 accepted as Ipnopidae Gill, 1884 (additional source)
Bathysauridae Fowler, 1944 (additional source)
Bathysauroididae Sato & Nakabo, 2002 (additional source)
Bathysauropsidae Sato & Nakabo, 2002 accepted as Ipnopidae Gill, 1884 (additional source)
Batrachoididae Jordan, 1896 (additional source)
Bedotiidae Jordan & Hubbs, 1919 (additional source)
Belonidae Bonaparte, 1835 (additional source)
Belontiidae Liem, 1962 accepted as Osphronemidae van der Hoeven, 1832 (additional source)
Berycidae Lowe, 1839 (additional source)
Blenniidae Rafinesque, 1810 (additional source)
Botiidae Berg, 1940 accepted as Cobitidae Swainson, 1838 (additional source)
Bovichtidae Gill, 1862 (additional source)
Brachaeluridae Applegate, 1974 (additional source)
Brachionichthyidae Gill, 1863 (additional source)
Bramidae Bonaparte, 1831 (additional source)
Branchiostegidae Jordan, 1923 accepted as Malacanthidae Poey, 1861 (additional source)
Brotulidae Swainson, 1838 accepted as Ophidiidae Rafinesque, 1810 (additional source)
Bythitidae Gill, 1861 (additional source)
Caesionidae Bonaparte, 1831 (additional source)
Callanthiidae Ogilby, 1899 (additional source)
Callionymidae Bonaparte, 1831 (additional source)
Caproidae Bonaparte, 1835 (additional source)
Carangidae Rafinesque, 1815 (additional source)
Carapidae Poey, 1867 (additional source)
Carapodidae Steyskal, 1980 accepted as Carapidae Poey, 1867 (additional source)
Caristiidae Gill & Smith, 1905 (additional source)
Caulophrynidae Goode & Bean, 1896 (additional source)
Centracanthidae Gill, 1893 (additional source)
Centrarchidae Bleeker, 1859 (additional source)
Centriscidae Bonaparte, 1831 (additional source)
Centrogeniidae Fowler, 1907 accepted as Centrogenyidae Fowler, 1907 (additional source)
Centrogenyidae Fowler, 1907 (additional source)
Centrolophidae Bonaparte, 1846 (additional source)
Centrophoridae Bleeker, 1859 (additional source)
Centrophrynidae Bertelsen, 1951 (additional source)
Centropomidae Poey, 1867 (additional source)
Ceratiidae Gill, 1861 (additional source)
Cetorhinidae Gill, 1861 (additional source)
Chacidae Bleeker, 1858 (additional source)
Chaenichthyidae Gill, 1861 accepted as Channichthyidae Gill, 1861 (additional source)

 Taxonomic remark

 for Brachaeluridae Applegate, 1974

Compagno, 1973 is not available. [details]

 Taxonomic remark

 for Dinematichthyidae Whitley, 1928

Originally a subfamily of Bythitidae, later a tribe (?); elevated to family by Møller et al, 2016. The same ... [details]

 Taxonomic remark

 for Elopidae Valenciennes, 1847

as "Élopiens", first latinized by Richardson, 1844 [details]

 Taxonomic remark

 for Gonostomatidae Cocco, 1838

Originally as subfamily (Gonostomini), later as family (Gonostomidae), the latter corrected to Gonostomatidae ... [details]

 Taxonomic remark

 for Lepisosteidae Bonaparte, 1835

Not available from Cuvier, 1825's non-latinized form, as that author has not generally been cited as authoring the ... [details]

 Taxonomic remark

 for Pseudocarchariidae Taylor, Compagno & Struhsaker, 1983

Compagno, 1973 not available. [details]

 Taxonomic remark

 for Scatophagidae Gill, 1883

Not Bleeker, 1876, as Bleeker did not treat Scatophagus as a valid genus. [details]