(Seymouria,((Limnoscelis,Orobates),(Eothyris,(Archaeovenator,(((Captorhinus,Rhiodenticulatus),(Petrolacosaurus,(Youngina,Acerosodontosaurus))),(Mesosaurus,((Eunotosaurus,Milleretta),((Australothyris,((Microleter,((Nyctiphruretus,Abyssomedon),(((Bashkyroleter_bashkyricus,((Macroleter,(Emeroleter,Rhipaeosaurus)),(Bashkyroleter_mesensis,Nycteroleter))),(Bradysaurus,(Pareiasuchus,Scutosaurus))),(Procolophon,(Owenetta,Barasaurus))))),(Feeserpeton,((Lanthanosuchus,Acleistorhinus),(Delorhynchus_cifellii,(Colobomycter_pholeter,Colobomycter_vaughni)))))),(Erpetonyx,(Eudibamus,(Belebey,Bolosaurus)))))))))));