Parent taxon: Urodela according to K.-Q. Gao and N. H. Shubin 2001
See also Carroll 1988, Cope 1875, Estes 1981, Frank and Ramus 1996, Gadow 1898, Kuhn 1946, Naylor 1978 and Skutschas and Gubin 2012
Sister taxa: Ambystomatoidea, Amphiumidae, Cryptobranchoidea, Hemitrypus, Hynobiidae, Iridotriton, Kiyatriton, Laccotriton, Liaoxitriton, Meantes, Menopomidae, Neocaudata, Nesovtriton, Nezpercius, Plethodontidae, Pleurodelidae, Polysemia, Rhyacotritonidae, Salamandra, Salamandridae, Salamandroidea, Seminobatrachus, Sinerpeton, Sirenidae, Thoriidae, Valdotriton
Subtaxa: Euronecturus Mioproteus Necturus Orthophyia Paranecturus Proteus
Ecology: amphibious carnivore
Distribution:
• Quaternary of United States (1: Florida collection)
• Pliocene of Germany (1)
• Miocene of Austria (1), the Czech Republic (1), Germany (8), Greece (1), Hungary (1), Kazakhstan (2), Moldova (2), the Russian Federation (2), Switzerland (2), Ukraine (2)
• Oligocene of Kazakhstan (1), Romania (2)
• Paleocene of Canada (1: Saskatchewan)
• Cretaceous of United States (8: Montana)
Total: 36 collections including 37 occurrences