Abeona Girard, 1855 accepted as Micrometrus Gibbons, 1854 (original description)
Aegacylla Dana, 1852 accepted as Aega Leach, 1815 (original description)
Aelurichthys Baird & Girard, 1854 accepted as Ailurichthys Baird & Girard, 1854 accepted as Bagre Cloquet, 1816 (original description)
Ailurichthys Baird & Girard, 1854 accepted as Bagre Cloquet, 1816 (original description)
Alloniscus Dana, 1854 (original description)
Apodichthys Girard, 1854 (original description)
Apoorhais Conrad, 1855 † accepted as Aporrhais Da Costa, 1778 (original description)
Apsectus Leconte, 1854 (original description)
Arctodus Leidy, 1854 † (original description)
Aspicottus Girard, 1854 accepted as Enophrys Swainson, 1839 (original description)
Astyanax Baird & Girard, 1854 (original description)
Atherinopsis Girard, 1854 (original description)
Basilichthys Girard, 1855 (original description)
Brachycranion Hallowell, 1854 (original description)
Brimosaurus Leidy, 1854 † (original description)
Cancrisocia Stimpson, 1855 (original description)
Cheirodon Girard, 1855 (original description)
Chelidonia Le Conte, 1854 accepted as Chelodina Fitzinger, 1826 (original description)
Cochlognathus Baird & Girard, 1854 accepted as Pimephales Rafinesque, 1820 (original description)
Cymatogaster Gibbons, 1854 (original description)
Damalichthys Girard, 1855 accepted as Rhacochilus Agassiz, 1854 (original description)
Dinictis Leidy, 1854 † (original description)
Dioncus Stimpson, 1855 accepted as Notoplana Laidlaw, 1903 (original description)
Dipsosaurus Hallowell, 1854 (original description)
Edestus Leidy, 1855 † (original description)
Ennichthys Girard, 1855 accepted as Hyperprosopon Gibbons, 1854 (original description)
Eugastra Leconte, 1854 accepted as Phyllophaga Harris, 1827 (original description)
Fusimitra Conrad, 1855 † (original description)
Gymnodoris Stimpson, 1855 (original description)
Helocaetes Baird, 1854 (original description)
Hemidoris Stimpson, 1855 (original description)
Herichthys Baird & Girard, 1854 (original description)
Heterognathus Girard, 1855 accepted as Chirostoma Swainson, 1839 (original description)
Heterostichus Girard, 1854 (original description)
Hippodon Leidy, 1854 (original description)
Hypselodoris Stimpson, 1855 (original description)
Hysterocarpus Gibbons, 1854 (original description)
Lapparia Conrad, 1855 † (original description)
Lavinia Girard, 1854 (original description)
Leptocottus Girard, 1854 (original description)
Limnadella Girard, 1854 (original description)
Machiarodus Leidy, 1854 † accepted as Machairodus Kaup, 1833 † (original description)
Mactropsis Conrad, 1854 † (original description)
Merycodus Leidy, 1854 † (original description)
Mesobatis Leidy, 1855 (original description)
Micrometrus Gibbons, 1854 (original description)
Microphis Hallowell, 1854 (original description)
Mytilophagus Gibbons, 1854 accepted as Amphistichus Agassiz, 1854 (original description)
Nematogenys Girard, 1855 (original description)
Nematoplus Leconte, 1855 (original description)
Nemicelus Leconte, 1854 accepted as Hemipeplus Berthold in Latreille, 1827 (original description)
Ophiodon Girard, 1854 (original description)
Osteodes Conrad, 1855 accepted as Balanophyllia Wood, 1844 (original description)
Pachydesma Conrad, 1854 accepted as Tivela Link, 1807 (original description)
Pachylabrus Gibbons, 1854 accepted as Rhacochilus Agassiz, 1854 (original description)
Papillina Conrad, 1855 † (original description)
Percichthys Girard, 1855 (original description)
Percilia Girard, 1855 (original description)
Petrophyllia Conrad, 1855 (original description)
Phanerodon Girard, 1854 (original description)
Physemus Leconte, 1854 (original description)
Platyoptera Conrad, 1855 † (original description)
Pogonichthys Girard, 1854 (original description)
Porichthys Girard, 1854 (original description)
Rostellites Conrad, 1855 (original description)
Schizascus Stimpson, 1855 accepted as Rhodosoma Ehrenberg, 1828 (original description)
Scorpaenichthys Girard, 1854 (original description)
Sicarius Leidy, 1855 (original description)
Taeniophis Girard, 1854 (original description)
Teleopus Leconte, 1854 (original description)
Ulochoetes Leconte, 1854 (original description)
Urosaurus Hallowell, 1854 (original description)
Volutalithes Conrad, 1855 † accepted as Volutilithes Swainson, 1831 † (original description)