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