AcanthostegaProterogyrinusBalanerpetonDendrerpetonTuditanusAsaphesteraHapsidoparionSaxonerpetonPantylusCardiocephalus_sternbergiCardiocephalus_peabodyiEuryodus_primusEuryodus_dalyaePelodosotisMicraroterRhynchonkosEocaeciliaMicrobrachisBatropetesUtaherpetonStegotretusSauropleura_scalarisPtyoniusUrocordylusKeraterpeton_galvaniBatrachiderpetonDiceratosaurusDiplocaulus_magnicornisDiploceraspisScincosaurusBrachydectesAdelogyrinusOestocephalusPhlegethontiaGreererpetonSeymouria_baylorensisLimnoscelisBranchiosauridaeMicromelerpetontidaeTersomiusEcolsoniaTrematops_slash_AchelomaEryopsDoleserpetonSalamandersFrogsAlbanerpeontidaeMicropholisEoscopusTambachiaTriadobatrachusGerobatrachusPlatyrhinopsAmphibamusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Anderson_etal_2008a