Archaegosaurus Etheridge, 1866 † accepted as Archegosaurus Goldfuss, 1847 † (original description)
Calamospondylus Fox, 1866 † (original description)
Campylopleuron Etheridge, 1866 † (original description)
Ditaxiodus Owen, 1866 † (original description)
Dittosaria Busk, 1866 † (original description)
Euskelosaurus Huxley, 1866 † (original description)
Ichthyerpeton Etheridge, 1866 † (original description)
Keraterpeton Etheridge, 1866 † (original description)
Lepterpeton Etheridge, 1866 † (original description)
Ophiderpeton Etheridge, 1866 † (original description)