Seymouria

Diadectidae

Limnoscelidae

Synapsida

Captorhinidae

Paleothyris

Younginiformes

Araeoscelidia

Mesosauridae

Millerettidae

Eunotosaurus

Lanthanosuchus

Acleistorhinus

Belebey

Eudibamus

Procolophon

Barasaurus

Owenetta

Nyctiphruretus

Bradysaurus

Scutosaurus

Pareiasuchus

Tokosaurus

Macroleter

Emeroleter

Nycteroleter

Bashkyroleter_bashkyricus

Bashkyroleter_mesensis