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Hypnale

Hypnale
Hump-nosed viper, H. hypnale.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Subfamily: Crotalinae
Genus: Hypnale
Fitzinger, 1843[1]
Common names: hump-nosed vipers,[2] hump-nosed pit vipers.[3]

Hypnale is a genus of pit vipers endemic to Sri Lanka and southwestern India.[1] Three monotypic species are currently recognized (no subspecies).[4] All members have more or less upturned snouts that produce a hump-nosed effect.[2]

  1. ^ a b McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  2. ^ a b Gloyd HK, Conant R. 1990. Snakes of the Agkistrodon Complex: A Monographic Review. Society for the Study of Amphibians and Reptiles. 614 pp. 52 plates. LCCN 89-50342. ISBN 0-916984-20-6.
  3. ^ Brown JH. 1973. Toxicology and Pharmacology of Venoms from Poisonous Snakes. Springfield, Illinois: Charles C. Thomas. 184 pp. LCCCN 73-229. ISBN 0-398-02808-7.
  4. ^ "Hypnale". Integrated Taxonomic Information System. Retrieved 3 November 2006.

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