Ancestor

Nyctiphruretidae

Nycteroleteridae

Procolophonidae

Barasaurus

Owenetta

Lanthanosuchidae

Sclerosaurus

Bradysaurus_seeleyi

Nochelesaurus

Bradysaurus_baini

Embrithosaurus

Deltavjatia

Nanoparia_luckhoffi

Proanthodon

Anthodon_serrarius

Chelonians

Anthodon_pricei

Pareiasaurus

Welgevonden_pareiasaur

Shansisaurus

Shihtienfenia

Pareiasuchus_nasicornis

Pareiasuchus_peringueyi

Elginia

Kupferschiefer_pareiasaur

Sanchuansaurus

Scutosaurus