thecodont Synonyms

alligator procolophonid stem mammal synapsid tapinocephalid therapsid lycaenopsid thrinaxodont eotitanosuchian non-mammalian synapsid pre-mammal pelycosaur pareiasaurid dicynodont ichthyosaur plesiosaur pterosaur thecodont reptile anteosaurid dinocephalian gorgonopsid kannemeyeriid mammal-like reptile proto-mammal