WhatcheeriaCrassigyrinusBranchiosaurusApateonSchoenfelderpetonAlbanerpetontidaeTuditanidaePantylidaeGymnarthridaeHapsidopareiontidaeMicrobrachisBrachystelechidaeRhynchonkosGymnophionomorphaCaudataSalientiaPlatyrhinopsAmphibamusTersomiusDoleserpetonMicromelerpetonBrachydectesGerobatrachusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Marjanovic_et_Laurin_2008ab