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Heterodon platirhinosPCCA20060423-3588B.jpg
A xenodontine, Heterodon platirhinos, eastern hognose snake
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Dipsadidae
Subfamily: Xenodontinae
Cope, 1895[1]

Xenodontinae is a subfamily of the Colubridae family of snakes.[2] It encompasses a number of rear-fanged, mildly venomous snake genera, which include species such as mud snakes and New World hognose snakes.


Other genera are often placed here but may actually belong elsewhere:


  1. ^ ITIS (Integrated Taxonomic Information System). www.itis.gov.
  2. ^ Goin, C.J.; O.B. Goin; G.R. Zug. 1978. Introduction to Herpetology, Third Edition. W.H. Freeman. San Francisco. xi + 378 pp. ISBN 0-7167-0020-4 (hardcover). (Subfamily Xenodontinae, pp. 328-329.)
  3. ^ He, M.; Feng, J. C.; Liu, S. Y.; Guo, P.; Zhao, E. M. (2009). "The phylogenetic position of Thermophis (Serpentes: Colubridae), an endemic snake from the Qinghai‐Xizang Plateau, China" (PDF). Journal of Natural History. 43 (7–8): 479–488. doi:10.1080/00222930802389825. 
  4. ^ Huang, S.; Liu, S. Y.; Guo, P.; Zhang, Y. P.; Zhao, E. M. (2009). "What are the closest relatives of the hot-spring snakes (Colubridae, Thermophis), the relict species endemic to the Tibetan Plateau?" (PDF). Molecular Phylogenetics and Evolution. 51 (3): 438–446. doi:10.1016/j.ympev.2009.02.013. PMID 19249375.