Catopsalis Cope, 1882 † (original description)
Diastomum Packard, 1882 (original description)
Didelphodus Cope, 1882 † (original description)
Ectacodon Cope, 1881 † (original description)
Ectocion Cope, 1882 † (original description)
Haploconus Cope, 1882 † (original description)
Hemiganus Cope, 1882 † (original description)
Hemithlaeus Cope, 1882 † (original description)
Manteodon Cope, 1881 † (original description)
Meniscoessus Cope, 1882 † (original description)
Meniscoëssus Cope, 1882 † accepted as Meniscoessus Cope, 1882 † (original description)
Osphranticum Forbes, 1882 (original description)
Pantolambda Cope, 1882 † (original description)
Polymastodon Cope, 1882 † accepted as Taeniolabis Cope, 1882 † (original description)
Psittacotherium Cope, 1882 † (original description)
Taeniolabis Cope, 1882 † (original description)
Tritomodon Cope, 1882 † (original description)