(Seymouria,((Limnoscelidae,Diadectidae),(Synapsida,((Captorhinidae,(Paleothyris,(Araeoscelidia,Younginiformes))),(Mesosauridae,((Eunotosaurus,Millerettidae),(Microleter,(Australothyris,(((Nyctiphruretus,((((Bradysaurus,(Pareiasuchus,Scutosaurus)),(Odontochelys,Proganochelys)),((Macroleter,(Ba_bashkyricus,Nycteroleter)),(Ba_mesensis,Emeroleter,Rhipaeosaurus))),(Procolophon,(Owenetta,Barasaurus)))),(Eudibamus,Belebey)),(Acleistorhinus,Lanthanosuchus))))))))));