Cyclotomodon Cope, 1876 † (original description)
Diatryma Cope, 1876 † (original description)
Dysganus Cope, 1877 † (original description)
Eboroziphius Leidy, 1876 † (original description)
Endoptygma Gabb, 1877 † accepted as Xenophora Fischer von Waldheim, 1807 (original description)
Exilifusus Gabb, 1877 † accepted as Fusinus Rafinesque, 1815 (original description)
Gyrotropis Gabb, 1877 † (original description)
Hedronchus Cope, 1877 † (original description)
Hemitrypus Cope, 1877 † (original description)
Laxispira Gabb, 1877 † (original description)
Monoclonius Cope, 1877 † (original description)
Myledaphus Cope, 1876 † (original description)
Paliurus Gabb, 1876 † (original description)
Polythorax Cope, 1877 † (original description)
Proroziphius Leidy, 1876 † (original description)
Protolabis Cope, 1876 † (original description)
Ptychoris Gabb, 1877 † (original description)
Ptychosyca Gabb, 1877 † (original description)
Rhizonema Clark, 1877 accepted as Corymorpha M. Sars, 1835 (original description)
Scapherpeton Cope, 1877 † (original description)
Strobilocystites White, 1876 † (original description)
Trochifusus Gabb, 1877 (original description)
Uronautes Cope, 1877 † (original description)
Volutoderma Gabb, 1877 † (original description)
Volutomorpha Gabb, 1877 † (original description)
Zapsalis Cope, 1877 † (original description)