(Gephyrostegus_bohemicus,(Seymouria_spp,((Tseajaia_campi,Limnoscelis_paludis),((((Oedaleops_campi,(Vaughnictis_smithae,(Eothyris_parkeyi,Eocasea_martini))),(Casea_broilii,(Euromycter_rutena,Ennatosaurus_tecton))),((Echinerpeton_intermedium,(Archaeothyris_florensis,(Varanosaurus_acutirostris,Ophiacodon_spp))),((Haptodus_garnettensis,(Pantelosaurus_saxonicus,(Cutleria_wilmarthi,(Secodontosaurus_obtusidens,Dimetrodon_spp)))),(Ianthasaurus_hardestiorum,Edaphosaurus_boanerges)))),(((Hylonomus_lyelli,(Anthracodromeus_longipes,(Paleothyris_acadiana,Protorothyris_archeri))),((Petrolacosaurus_kansensis,Araeoscelis_spp),((Ascendonanus_nestleri,((Orovenator_mayorum,Archaeovenator_hamiltonensis),(Apsisaurus_witteri,((Aerosaurus_wellesi,(Varanops_brevirostris,(Varanodon_agilis,Watongia_meieri))),(Mycterosaurus_longiceps,(Elliotsmithia_longiceps,(Heleosaurus_scholtzi,Mesenosaurus_romeri))))))),(((Youngina_capensis,(Lanthanolania_ivakhnenkoi,(Prolacerta_broomi,Proterosuchus_spp))),(Acerosodontosaurus_piveteaui,Claudiosaurus_germaini)),(((Erpetonyx_arsenaultorum,(Eudibamus_cursoris,Belebey_vegrandis)),(Milleretta_rubidgei,(((Macroleter_poezicus,(Emeroleter_levis,Deltavjatia_rossicus)),(Nyctiphruretus_acudens,(Procolophon_trigoniceps,(Candelaria_barbouri,Owenetta_kitchingorum)))),(Acleistorhinus_pteroticus,Colobomycter_pholeter)))),(Mesosaurus_tenuidens,Stereosternum_tumidum)))))),(Euconcordia_cunninghami,(Thuringothyris_mahlendorffae,((Protocaptorhinus_pricei,((Captorhinus_aguti,Captorhinus_laticeps),(Labidosaurikos_meachami,Labidosaurus_hamatus))),(Romeria_spp,Reiszorhinus_olsoni)))))))));