(OUTGROUP,(Eusthenopteron,(Stegops,(Panderichthys,(Elpistostege,(Livoniana,(((Acanthostega,(Ichthyostega,(Hynerpeton,(Tulerpeton,(((Caerorhachis,((((((Iberospondylus,((((Acanthostomatops,Zatrachys),(Parioxys,(Eryops,Onchiodon))),((((Phonerpeton,(Acheloma,Actiobates)),(Anconastes,Tambachia)),(Ecolsonia,Platyhistrix)),(Micromelerpeton,((((Tersomius,(Amphibamus,Doleserpeton)),(Eoscopus,Platyrhinops)),(Branchiosaurus,(Apateon,(Schoenfelderpeton,(Leptorophus,Melanerpeton))))),(Cacops,(Broiliellus,Dissorophus)))))),(((((((Inflectosaurus,(Buettneria,(Almasaurus,Dutuitosaurus))),(Thoosuchus,(((Trematosaurus,(Angusaurus,Trematosuchus)),(Tertrema,(Lyrocephaliscus,Platystega))),(Aphaneramma,((Cosgriffius,Erythrobatrachus),(Stoschiosaurus,Wantzosaurus)))))),(Benthosuchus,(Wetlugasaurus,((Watsonisuchus,(((Rewanobatrachus,(Cherninia,Stanocephalosaurus)),(Paroto_nasutus,Paroto_orenburgensis)),(Eryosuchus,(Paracyclotosaurus,(Stenotosaurus,(Mastodonsaurus,((Quasicyclotosaurus,(Cyclotosaurus,Tatrasuchus)),(Paroto_pronus,Wellesaurus)))))))),(Kupferzellia,(Eocyclotosaurus,Odenwaldia)))))),(Lydekkerina,(Luzocephalus,(Chomatobatrachus,((RHYTIDOSTEIDAE,(Bothriceps,((Laidleria,(PLAGIOSAURIDAE,(((Banksiops,(Batrachos_browni,Batrachos_watsoni)),(Batrachos_henwoodi,(Vanastega,Vigilius))),(Sinobrachyops,(Brachyops,Xenobrachyops))))),(Keratobrachyops,((Compsocerops,Kuttycephalus),(Pelorocephalus,Siderops)))))),(Deltacephalus,Paroto_madagascariensis)))))),(Rhinesuchus,(Rhineceps,Uranocentrodon))),(Konzhukovia,(Archegosaurus,Platyoposaurus))),(Cheliderpeton,Sclerocephalus)))),((((Acroplous,Isodectes),(Dvinosaurus,(Tabanchuia,Tupilakosaurus))),(Neldasaurus,Trimerorhachis)),(Balanerpeton,Dendrerpeton))),(Capetus,Eugyrinus)),(Edops,((Adamanterpeton,Procochleosaurus),((Chenolewisi,Chenomilleri),(Cochleobohemicus,Cochleoflorensis))))),(Colosteus,Greererpeton)),(((Casineria,(Westlothiana,((Utaherpeton,((((Acherontiscus,(Adelospondylus,(Adelogyrinus,Dolichopareias))),(Lethiscus,(Ophiderpeton,((Coloraderpeton,(Oestocep_amphiuminum,Oestocep_granulosum)),(Pseudophlegethontia,(Phlegeth_linearis,Phlegeth_longissima)))))),(((Keraterpeton,(Batrachiderpeton,(Diceratosaurus,(Peronedon,(Diploceraspis,(Diplocau_magnicornis,Diplocau_primus)))))),(Sauravus,Scincosaurus)),((Urocordylus,(Ctenerpeton,Ptyonius)),(Saurople_scalaris,(Saurople_bairdi,Saurople_pectinata))))),((((((Peltobatrachus,(Lapillopsis,(Eocaecilia,((Albanerp_inexpectatum,Celted_ibericus),(Karaurus,(Triadobatrachus,Valdotriton)))))),(Brachydectes,((Hyloplesion,Odonterpeton),(Mazon_Creek_microsaur,Microbrachis)))),(Batropetes,(Carrolla,Quasicaecilia))),(((Rhynchonkos,(Leiocephalikon,(Pariotichus,(Cardio_sternbergi,((Cardio_peabodyi,Euryodus_bonneri),(Euryodus_dalyae,(Euryodus_peabodyi,Euryodus_primus))))))),(Micraroter,Pelodosotis)),(Saxonerpeton,(Hapsidopareion,Llistrofus)))),(Pantylus,(Sparodus,Stegotretus))),(Asaphestera,Tuditanus)))),(Solenodonsaurus,((Captorhinus,((Eocaptorhinus,Ophiacodon),(Paleothyris,Petrolacosaurus))),(Limnoscelis,(Diadectes,Tseajaia))))))),(((Ariekanerpeton,(Disco_austriacus,Disco_pulcherrimus)),(Seym_baylorensis,Seym_sanjuanensis)),(Kotlassia,Utegenia))),((Eoherpeton,(Proterogyrinus,(Silvanerpeton,(Pholiderpeton,(Archeria,(Anthracosaurus,Eogyrinus)))))),(Bruktererpeton,Gephyrostegus))))),(Eucritta,(Loxomma,(Baphetes,Megalocephalus)))),(Crassigyrinus,(Pederpes,Whatcheeria))))))),(Metaxygnathus,Ventastega)),(Elginerpeton,Obruchevichthys))))))));