(Seymouria,((Limnoscelidae,Diadectidae),(Synapsida,((Mesosauridae,((Eunotosaurus,Millerettidae),(((Eudibamus,Belebey),((Nyctiphruretus,((Bradysaurus,(Pareiasuchus,Scutosaurus)),((Macroleter,Tokosaurus),(Emeroleter,(Nycteroleter,(Bashkyroleter_mesensis,Bashkyroleter_bashkyricus)))))),(Procolophon,(Owenetta,Barasaurus)))),(Acleistorhinus,Lanthanosuchus)))),(Captorhinidae,(Paleothyris,(Araeoscelidia,Younginiformes)))))));