Bathmodon Cope, 1872 † (original description)
Cocytinus Cope, 1871 † (original description)
Empo Cope, 1872 † (original description)
Hadrianus Cope, 1872 † (original description)
Helotherium Cope, 1872 † (original description)
Ichthyosuchus Cope, 1872 † (original description)
Isodelta Cope, 1871 accepted as Microtus Schrank, 1798 (original description)
Lefalophodon Cope, 1872 † (original description)
Mesonyx Cope, 1872 † (original description)
Metalophodon Cope, 1873 † (original description)
Miacis Cope, 1872 † (original description)
Naocephalus Cope, 1872 † (original description)
Notomorpha Cope, 1872 † (original description)
Palaeotheca Cope, 1872 † (original description)
Pantolestes Cope, 1872 † (original description)
Phlegethontia Cope, 1871 † (original description)
Pneumatarthrus Cope, 1872 † accepted as Pneumatoarthrus Cope, 1870 † (original description)
Praotherium Cope, 1871 † (original description)
Protagras Cope, 1872 † (original description)
Protostega Cope, 1871 † (original description)
Prymnetes Cope, 1871 † (original description)
Pseudotomus Cope, 1872 † (original description)
Rhineastes Cope, 1872 † (original description)
Stratodus Cope, 1872 † (original description)
Stypolophus Cope, 1872 † (original description)
Synoplotherium Cope, 1872 † (original description)
Tomitherium Cope, 1872 † (original description)
Trichophanes Cope, 1872 † (original description)
Tuditanus Cope, 1871 † (original description)
Zatomus Cope, 1871 † (original description)