(Eucritta_melanolimnetes,((Balanerpeton_woodi,Dendrerpeton_acadianum),(Proterogyrinus_scheelei,(Microbrachis_pelikani,((Lethiscus_stocki,(Ophiderpeton_brownriggi_plus_O_kirktonense,Phlegethontia_linearis_plus_P_longissima)),((Scincosaurus_crassus,(Keraterpeton_galvani,(Batrachiderpeton_reticulatum,(Diceratosaurus_brevirostris,(Diplocaulus_magnicornis,Diploceraspis_burkei))))),((Crossotelos_annulatus,Sauropleura_pectinata_plus_S_scalaris),(Urocordylus_wandesfordii,(Ctenerpeton_remex,Ptyonius_marshii)))))))));