(outgroup,(Proburnetia,Burnetia,Lemurosaurus,Lycaenodon,Herpetoskylax,Hipposaurus,Biarmosuchus_tener,Cyonosaurus,Lycaenops,Gorgonops_torvus,Patranomodon,Suminia,Biseridens_qilianicus,Syodon_biarmicum,Titanophoneus_potens,Sinophoneus_yumenensis,Styracocephalus,Jonkeria,Estemmenosuchus_uralensis,Raranimus_dashankouensis,Tetraceratops,Dimetrodon_limbatus,Prosictodon,Diictodon,Robertia,Eosimops,Chelydontops,Endothiodon,Dicynodontoides,Kombuisia_frerensis,Myosaurus,Cistecephaloides,Kawingasaurus,Cistecephalus,Emydops_arctatus,Tropidostoma,Australobarbarus,Oudenodon_bainii,Pelanomodon_tuberosus,Geikia_locusticeps,Aulacephalodon_bainii,Idelesaurus,Odontocyclops_dubius,Rhachiocephalus_magnus,Dicynodon_trautscholdi,Dicynodon_amalitzkii,Kannemeyeria_simocephala,Dicynodon_lacerticeps,Delectosaurus,Katumbia_parringtoni,Interpresosaurus,Elph,Pristerodon,Lanthanostegus,Colobodectes,Eodicynodon_oosthuizeni,Captorhinus_aguti,Protorothyris_archeri,Ophiacodon_mirus,Stereophallodon_ciscoensis,Varanosaurus_acutirostris,Archaeothyris_florensis,Mesenosaurus_romeri,Heleosaurus_scholtzi,Mycterosaurus_longiceps,Watongia_meieri,Varanodon_agilis,Varanops_brevirostris,Aerosaurus_wellesi,Aerosaurus_greenleeorum,Ruthiromia_elcobriensis,Pyozia_mesenensis,Archaeovenator_hamiltonensis,Eothyris_parkeyi,Oedaleops_campi,Cotylorhynchus_hancocki,Cotylorhynchus_bransoni,Cotylorhynchus_romeri,Angelosaurus_romeri,Angelosaurus_dolani,Ennatosaurus_tecton,Euromycter_rutena,Trichasaurus_texensis,Casea_broilii,Oromycter_dolesorum,Edaphosaurus_boanerges,Edaphosaurus_novomexicanus,Lupeosaurus_kayi,Glaucosaurus_megalops,Ianthasaurus_hardestii,Dimetrodon_milleri,Sphenacodon,Cryptovenator_hirschbergeri,Secodontosaurus_obtusidens,Cutleria_wilmarthi,Pantelosaurus_saxonicus,Haptodus_garnettensis,Ianthodon_schultzei,Tapinocaninus_pamelae,Tiarajudens,Anomocephalus,Ulemica,Otsheria,Galechirus,Galeops,Lycosuchus_vanderrieti,Ischigualastia,Stahleckeria,Dolichuranus,Shansiodon,Vinceria,Tetragonias,Dinanomodon_rubidgei,Daptocephalus_leoniceps,Emydops_oweni,Kombuisia_antarctica,Geikia_elginensis,Galepus,Ctenospondylus,Palaeohatteria,Edaphosaurus_cruciger,Dvinia_prima,Procynosuchus_delaharpeae,Charassognathus_gracilis,Glanosuchus_macrops,Ictidosaurus_angusticeps,Pristerognathus_polyodon,Promoschorhynchus_platyrhinus,Olivierosuchus_parringtoni,Cerdops_burgheri,Moschorhinus_kitchingi,Euchambersia_mirabilis,Moschowhaitsia_vjuschkovi,Theriognathus_microps,Viatkosuchus_sumini,Tetracynodon_tenuis,Tetracynodon_darti,Choerosaurus_dejageri,Lycideops_longiceps,Ictidosuchus_primaevus,Ictidosuchops_rubidgei,Ichtidosuchoides_longiceps,Regisaurus_jacobi,Scaloposaurus_constrictus,Ericiolacerta_parva,Bauria,Ictidostoma_hemburyi,Hofmeyria_atavus,Mirotenthes_digitipes,Kitchinganomodon,Daqingshanodon_limbus,Keyseria_benjamini,Dicynodon_huenei,Dinanomodon_gilli,Sintocephalus_alticeps,Basilodon_woodwardi,Euptychognathus_bathyrhynchus,Kwazulusaurus_shakai,Syops_vanhoepeni,Jimusaria_sinkianensis,Rechnisaurus,Dinodontosaurus,Rhinodicynodon,Kannemeyeria_lophorhina,Rabidosaurus,Parakannemeyeria_dolichocephala,Uralokannemeyeria,Placerias,Moghreberia,Rhadiodromus,Wadiasaurus,Sangusaurus,Jachaleria,Sinokannemeyeria_pearsoni,Xiyukannemeyeria_brevirostris,Angonisaurus,Turfanodon_bogdaensis,Gordonia_traquairi,Eodicynodon_oelofseni,Edaphosaurus_pogonias,Edaphosaurus_colohistion,Kingoria,Petrolacosaurus,Elliotsmithia,Apsisaurus,Araeoscelis,Acerosodontosaurus,Youngina,Trilophosaurus_buettneri,Prolacerta,Hyperodapedon,Planocephalosaurus,SQUAMATA,Coelurosauravus,Paleothyris,Bullacephalus,Australosyodon_nyaphuli,Anteosaurus_magnificus,Pachydectes,Lobalopex,Sinoconodon,Morganucodon,Pachygenelus,Probainognathus,Probelesodon,Cynognathus,Thrinaxodon,Galesaurus,Ictidorhinus,Zambiasaurus,Dicynodon_trigonocephalus,Ulemosaurus_svijagensis,Estemmenosuchus_mirabilis,Notosyodon_gusevi,Pampaphoneus_biccai,Titanophoneus_adamanteus,Microsyodon,Archaeosyodon_praeventor,Paraburnetia,Niuksenitia,Lophorhinus,Progalesaurus,Massetognathus,Exaeretodon,Trirachodon,Diademodon,Ecteninion,Oligokyphus,Kayentatherium,Brasilitherium,Brasilodon,Chiniquodon,Lumkuia,Platycraniellus,Cynosaurus,Prorubidgea,Cricodon,Langbergia,Menadon,Scalenodontoides,Gomphodontosuchus,Santacruzodon,Dadadon,Andescynodon,Scalenodon_hirschsoni,Pascualgnathus,Traversodon,Luangwa,Scalenodon_angustifrons,Riograndia,Prozostrodon,Therioherpeton,Hadrocodium,Dinnetherium,Kuehneotherium,Megazostrodon,Adelobasileus,Nanictosaurus,Aleodon,Haldanodon,MONOTREMATA,MULTITUBERCULATA,PLACENTA,Triconodon,MARSUPIALIA,Vincelestes,Zhangheotheirum,Ornithorhynchus,Trucidocynodon,Irajatherium,Diarthrognathus,Elliotherium,Chaliminia,Phascolotherium,Peramus,Trioracodon,Spalacotherium,DRYOLESTIDA,Ambolotheirum,Amphitheirum,HARAMIYIDAE,Bolotridon,Boreogomphodon,Arctotraversodon,Nanogomphodon,Sinokannemeyeria_yingchiaoensis,Sinokannemeyeria_sanchuanheensis,Parakannemeyeria_shenmuensis,Parakannemeyeria_youngi,Parakannemeyeria_ningwuensis,Lystrosaurus_youngi,Rhachiocephalus_crassus,Cteniosaurus_platyceps,Propelanomodon_devilliersi,(Lystrosaurus_oviceps,(Lystrosaurus_murrayi,Lystrosaurus_declivis,Lystrosaurus_maccaigi)),(Lystrosaurus_hedini,Lystrosaurus_broomi,(Lystrosaurus_robustus,Lystrosaurus_shichanggouensis)),(Lystrosaurus_curvatus,Lystrosaurus_georgi,Lystrosaurus_platyceps)));