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