KaraurusCryptobranchusAndriasHynobiusOnychodactylusPlethodonDesmognathusAmphiumaProamphiumaRhyacotritonSirenPseudobranchusHabrosaurusNecturusProteusSalamandraTarichaTylototritonDicamptodonAmbystomaValdotritonJeholotritonLiaoxitriton_zhongjianiPangerpetonChunerpetonBeiyanerpetonIridotritonQinglongtritonLinglongtritonLiuaPseudohynobiusNuominerpetonRegalerpetonLiaoxitriton_daohugouensisOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Jia_et_Gao_inpressa