(Marmorerpeton,(Jeholotriton,Pangerpeton,Karaurus,(Liaoxitriton,(Living_Hynobiidae,((Regalerpeton,(Chunerpeton,Cryptobranchidae)),((Salamandra,(Plethodontidae,(Ambystomatidae,(Valdotriton,Iridotriton,(Dicamptodon,Rhyacotriton))))),(Amphiumidae,(Sirenidae,Proteidae))))))));