Agamyxis Cope, 1878 (original description)
Archaeobelus Cope, 1877 † (original description)
Bolosaurus Cope, 1878 † (original description)
Chaenothorax Cope, 1878 accepted as Brochis Cope, 1871 (original description)
Diadectes Cope, 1878 † (original description)
Diplocaulus Cope, 1877 † (original description)
Ectocynodon Cope, 1878 † (original description)
Embolophorus Cope, 1878 † (original description)
Empedocles Cope, 1878 † (original description)
Epapterus Cope, 1878 (original description)
Epicordylus Cope, 1878 † (original description)
Eryops Cope, 1877 † (original description)
Gastrodermus Cope, 1878 accepted as Corydoras Lacepède, 1803 (original description)
Gastropterus Cope, 1878 accepted as Basilichthys Girard, 1855 (original description)
Lysorophus Cope, 1877 † (original description)
Mesaspis Cope, 1877 (original description)
Metarmosaruus Cope, 1878 † (original description)
Metynnis Cope, 1878 (original description)
Oricardinus Cope, 1877 † (original description)
Palaeoctonus Cope, 1877 † (original description)
Pariotichus Cope, 1878 † (original description)
Parioxys Cope, 1878 † (original description)
Potamorhina Cope, 1878 (original description)
Pterogasterus Cope, 1877 accepted as Pterogastenes Peale & Green, 1830 (original description)
Rhachitomus Cope, 1878 † (original description)
Stephostethus Leconte, 1878 (original description)
Suchoprion Cope, 1877 † (original description)
Symphyrophus Cope, 1878 † (original description)
Tetrapriocera Horn, 1878 (original description)
Theropleura Cope, 1878 † (original description)
Trimerorhachis Cope, 1878 † (original description)
Zatrachys Cope, 1878 † (original description)