Acanthotelson Meek & Worthen, 1865 † (original description)
Amphibamus Cope, 1865 † (original description)
Anthracerpes Meek & Worthen, 1865 † (original description)
Bellinurus Meek & Worthen, 1865 † accepted as Bellinurus Pictet, 1846 † accepted as Belinurus Bronn, 1839 † (original description)
Chaenobryttus Cope, 1865 accepted as Lepomis Rafinesque, 1819 (original description)
Corynorhinus Allen, 1865 (original description)
Ctenobium Leconte, 1865 (original description)
Dryomelictes Cope, 1865 (original description)
Echinianthus Conrad, 1865 (original description)
Elasmognathus Gill, 1865 accepted as Tapirus Brisson, 1762 (original description)
Endolobus Meek & Worthen, 1865 † (original description)
Ericymba Cope, 1865 (original description)
Eupachycrinus Meek & Worthen, 1865 † (original description)
Gastrogyna Leconte, 1865 accepted as Metacycla Baly, 1861 (original description)
Geoclemmys Cope, 1865 accepted as Geoclemys Gray, 1855 (original description)
Hemiptychus Leconte, 1865 accepted as Tricorynus Waterhouse, 1849 (original description)
Isonema Meek & Worthen, 1865 † (original description)
Leptosolen Conrad, 1865 † (original description)
Macrophora Conrad, 1865 † accepted as Encope L. Agassiz, 1840 (original description)
Melanomitris Cassin, 1865 (original description)
Micristodus Gill, 1865 accepted as Rhincodon Smith, 1829 (original description)
Microgadus Gill, 1865 (original description)
Monoxia Leconte, 1865 (original description)
Mylochilus Gill, 1865 accepted as Mylocheilus Agassiz, 1855 (original description)
Oligaspis Wood, 1865 (original description)
Palaeocampa Meek & Worthen, 1865 † (original description)
Palaeocaris Meek & Worthen, 1865 † (original description)
Pernopecten Winchell, 1865 † (original description)
Pharyngodon Cope, 1865 accepted as Triprion Cope, 1866 (original description)
Pomoxys Gill, 1865 accepted as Pomoxis Rafinesque, 1818 (original description)
Prolatilus Gill, 1865 (original description)
Protheca Leconte, 1865 (original description)
Pseudomitris Cassin, 1865 (original description)
Ptychochilus Gill, 1865 accepted as Ptychocheilus Agassiz, 1855 (original description)
Pyrgorhynchus Conrad, 1865 (original description)
Rhombocardia Meek & Worthen, 1866 (original description)
Shaenia Carpenter, 1865 accepted as Sphenia Turton, 1822 (original description)
Smilisca Cope, 1865 (original description)
Sphaerocrinus Meek & Worthen, 1865 † accepted as Coelocrinus Meek & Worthen, 1866 † (original description)
Syntrilasma Meek & Worthen, 1865 † accepted as Enteletes Fischer de Waldheim, 1825 † (original description)
Trirhabda Leconte, 1865 (original description)
Uperocrinus Meek & Worthen, 1865 † (original description)