(outgroup,(Romeria_texana,Romeria_prima,Captorhinus_magnus,Captorhinus_aguti,Captorhinus_laticeps,Rothianiscus,Gansurhinus,Moradisaurus,Labidosaurikos,Labidosaurus,Captorhinikos,Saurorictus,Protocaptorhinus,Rhiodenticulatus,Concordia,Thuringothyris,Paleothyris,Reiszorhinus,Procolophon_trigoniceps,Milleretta_rubidgei,Araeoscelis,Petrolacosaurus,Anthracodromeus,Protorothyris_archeri,Cephalerpeton,Hylonomus,Brouffia,Coelostegus,MESOSAURIDAE,Casea_broilii,Morganucodon,PLACENTA,Kayentatherium,Exaeretodon,Diademodon,Thrinaxodon,Procynosuchus_delaharpeae,Lychosuchus_vanderrieti,Dicynodon_lacerticeps,Gorgonops_torvus,Anteosaurus_magnificus,Biarmosuchus_tener,Sphenacodon,Edaphosaurus_cruciger,Ophiacodon_mirus,Ophiacodon_retroversus,Lanthanosuchus,Acleistorhinus,Owenetta_rubidgei,Pareiasaurus_serridens,Scutosaurus_kapinskii,Anthodon_serrarius,Bradysaurus_baini,Bradysaurus_seeleyi,Macroleter_poezicus,Planocephalosaurus,SQUAMATA,Odontochelys_semitestacea,OTHER_CHELONIA,Proganochelys_quenstedti,Cyamodus_rostratus,Placodus,Simosaurus,KUEHNEOSAURIDAE,Hyperodapedon,Trilophosaurus_buettneri,Rutiodon,Pseudopalatus,Coahomasuchus_kahleorum,Typothorax_coccinarum,Desmatosuchus_haplocercus,Paratypothorax,Protosuchus_richardsoni,CROCODYLIA,DINOSAURIA,Proterochampsa,Erythrosuchus,Proterosuchus,Protorosaurus,CHORISTODERA,Prolacerta,Youngina,Claudiosaurus,Spinoaequalis,Acerosodontosaurus,Hovasaurus,Apsisaurus,Nycteroleter,Lanthanolania,Coelurosauravus,Thalattosaurus_alexandrae,ICHTHYOPTERYGIA,Tanystropheus,Pumiliopareia_pricei,Provelosaurus_americanus,Nanoparia_luckhoffi,Pareiasuchus_nasicornis,Pareiasuchus_peringueyi,Shihtienfenia_permica,Shansisaurus_xuecunensis,Arganaceras_vacanti,Elginia_mirabilis,Sanchuansaurus,Parasaurus_geinitzi,Deltavjatia_mesensis,Embrithosaurus_schwarzi,Nochelesaurus_alexanderi,Bunostegos_akokanensis,Sclerosaurus_armatus,Barasaurus,Eunotosaurus,Colobomycter,Feeserpeton,Eudibamus_cursoris,Belebey_vegrandis,Tokosaurus,Rhipaeosaurus,Bashkyroleter_bashkyricus,Emeroleter,Bashkyroleter_mesensis,Nyctiphruretus,Australothyris,Microleter,Owenetta_kitchingorum,Candelaria,Saurodectes,Sauropareion_anoplus,Coletta_seca,Milleropsis_pricei,Millerosaurus_ornatus,Millerosaurus_nuffieldi,Broomia_perplexa,Eumetabolodan_dongshengensis,Theledectes_perforatus,Kapes,Thelophon_contritus,Timanophon_raridentatus,Thelerpeton_oppressus,Teratophon_spinigenis,Eumetabolodan_bathycephalus,Scoloparia_glyphanodon,Hypsognathus_fenneri,Soturnia_caliodon,Leptopleuron_lacertinum,Neoprocolophon_asiaticus,Phonodus_dutoitorum,Pentaedrusaurus_ordosianus,Tichvinskia_vjatkensis,Phaantosaurus,Pintosaurus_magnidentes,Kitchingnathus_utabeni,Thelegnathus,Koiloskiosaurus,Bolosaurus_striatus,Bolosaurus_grandis,Belebey_chengi,Belebey_maximi,Anomoiodon,Thalassiodracon_hawkinsi,Plesiosaurus_dolichodeirus,Augustasaurus,Bobosaurus,Pistosaurus,Yunguisaurus,Cymatosaurus,Corosaurus,Dactylosaurus,Neusticosaurus_pusillus,Anarosaurus,Sanchiaosaurus,Kwangsisaurus,Chinchenia,Lariosaurus_curionii,Lariosaurus_balsami,Lariosaurus_xingyiensis,Lariosaurus_calcagnii,Lariosaurus_valceresii,Lariosaurus_buzzi,Nothosaurus_mirabilis,Germanosaurus,Keichousaurus,Diandongosaurus,Dianopachysaurus,Qianxisaurus,Wumengosaurus,Hanosaurus,CRYPTOCLIDIA,Pleisiopterys_wildi,Dolichorhynchops_osborni,Edgarosaurus_muddi,Polycotylus_latipinnis,Umoonasaurus_demoscyllus,Leptocleidus,PLIOSAURIDAE,Macroplata_tenuiceps,Rhomalesaurus_megacephalus,Rhomalesaurus_victor,Neusticosaurus_peyeri,Neusticosaurus_edwardsi,Neusticosaurus_toeplitschi,Serpianosaurus,Nothosaurus_haasi,Nothosaurus_tchernovi,Nothosaurus_giganteus,Nothosaurus_jagisteus,Nothosaurus_yangiuanensis,Nothosaurus_youngi,Nothosaurus_edingerae,Nothosaurus_marchicus,Nothosaurus_winterswijkensis,Nothosaurus_juvenilis,Nothosaurus_winkelhorsti,Helveticosaurus,Eusaurosphargis,Saurosphargis,Sinosaurosphargis,Kimmerosaurus,Morturneria,Trinacromerum,Tricleidus,Microcleidus,ELASMOSAURIDAE,Simolestes,Rhomalesaurus_zetlandicus,Attenborosaurus,Eurycleidus,Henodus,Placochelys,Psephoderma,Protenodontosaurus,Macroplacus,Paraplacodus,Cyamodus_kuhnschnyderi,Ceresiosaurus,Silvestorsaurus,Paranothosaurus,Askeptosaurus_italicus,Anshuansaurus_huangguoshuensis,Endennasaurus_acutirostris,Clarazia_schinzi,Hescheleria_ruebeli,Paralonectes_merriami,Agkistrognathus_campbelli,Xinpusaurus_baomaolinensis,Nectosaurus_halius,Thalattosaurus_borealis,Xinpusaurus_suni,Miodentosaurus,Anshuansaurus_wushaensis,Saurosternon,Palaeagama,Hupehsuchus,Macrocnemus,Pamelina,Drepanosaurus,Sophineta,Marmoretta,Orovenator,Galesphyrus,Thadeosaurus,Kenyasaurus,Tangasaurus));