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