Amblyrhiza Cope, 1868 † (original description)
Anchippodus Leidy, 1868 † (original description)
Anchippus Leidy, 1868 † accepted as Parahippus Leidy, 1858 † (original description)
Andropithecus Cope, 1868 accepted as Pan Oken, 1816 (original description)
Aublysodon Leidy, 1868 (original description)
Chonespondylus Leidy, 1868 † (original description)
Colophrys Cope, 1868 (original description)
Conosaurops Leidy, 1868 (original description)
Cymbospondylus Leidy, 1868 † (original description)
Diplotomodon Leidy, 1869 † (original description)
Ditcyocephalus Cope, 1869 † (original description)
Elasmosaurus Cope, 1868 † (original description)
Eupelor Cope, 1868 † (original description)
Ictops Leidy, 1869 † (original description)
Ixacanthus Cope, 1868 † (original description)
Lepidodiscus Meek & Worthen, 1869 † (original description)
Leptictis Leidy, 1869 † (original description)
Letheobia Cope, 1868 (original description)
Loxopholis Cope, 1868 (original description)
Lystris Cope, 1868 (original description)
Megalocnus Leidy, 1868 † (original description)
Molgophis Cope, 1868 † (original description)
Nectoportheus Cope, 1868 † (original description)
Nipterocrinus Meek & Worthen, 1868 † (original description)
Oestocephalus Cope, 1868 † (original description)
Ophiognomon Cope, 1868 (original description)
Osteopygis Cope, 1868 † (original description)
Otaspis Cope, 1869 (original description)
Panaspis Cope, 1868 (original description)
Pariostegus Cope, 1868 † (original description)
Pelion Cope, 1869 † (original description)
Perosuchus Cope, 1868 accepted as Caiman Spix, 1825 (original description)
Prostherapis Cope, 1868 (original description)
Sauropleura Cope, 1868 † (original description)
Tretosphys Cope, 1868 † (original description)
Tricoelocrinus Meek & Worthen, 1868 † (original description)
Troostocrinus Meek & Worthen, 1869 † (original description)
Trucifelis Leidy, 1868 (original description)
Trypheropsis Cope, 1868 (original description)
Ungualia Cope, 1868 (original description)
Zarhachis Cope, 1868 † (original description)