Seymouria

Diadectidae

Limnoscelidae

Synapsida

Captorhinidae

Paleothyris

Younginiformes

Araeoscelidia

Mesosauridae

Millerettidae

Eunotosaurus

Microleter

Australothyris

Lanthanosuchus

Acleistorhinus

Belebey

Eudibamus

Nyctiphruretus

Procolophon

Barasaurus

Owenetta

Bradysaurus

Scutosaurus

Pareiasuchus

Macroleter

Rhipaeosaurus

Emeroleter

Nycteroleter

Bashykyroleter_bashkyricus

Bashykyroleter_mesensis