Lycodon jara
Lycodon jara | |
---|---|
a twin-spotted wolf snake from North Bengal | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Subphylum: | Vertebrata |
Class: | Reptilia |
Order: | Squamata |
Suborder: | Serpentes |
Family: | Colubridae |
Subfamily: | Colubrinae |
Genus: | Lycodon |
Species: | L. jara |
Binomial name | |
Lycodon jara (Shaw, 1802)[2] | |
Synonyms | |
Coluber jara Shaw, 1802 |
Lycodon jara, commonly known as the twin-spotted wolf snake, is a species of colubrid snake. It is endemic to Asia.
Distribution
Found in Bangladesh, India (Assam, northern Orissa Ganjam, Arunachal Pradesh, Nadia District, West Bengal and parts of Uttar Pradesh) and Nepal.
Description
Snout much depressed; eye rather small. Rostral much broader than long, just visible from above; internasals much shorter than the prefrontals; frontal as long as or a little shorter than its distance from the end of the snout, a little shorter than the parietals; loreal elongate, not entering the eye; one pre-ocular; two post-oculars; temporals small, 1 + 2; 9 or 10 upper labials, third, fourth, and fifth entering the eye; 4 or 5 lower labials in contact with the anterior chin-shields, which are longer than the posterior.
Dorsal scales smooth, in 17 rows. Ventrals 167-175, not angulate laterally; anal divided; subcaudals 56-63, in two rows.
[Coloration in alcohol:] brown above, each scale with two white dots or short longitudinal lines; labials white; usually a white collar; lower surface uniform white.[4]
Total length 35 cm (13¾ inches); tail 6 cm (2⅜ inches).[5]
Gallery
References
- ↑ Captain, A. (2010). "Lycodon jara". IUCN Red List of Threatened Species. Version 2014.3. International Union for Conservation of Nature. Retrieved 2 January 2015.
- ↑ Shaw, G. 1802 General Zoology, or Systematic Natural History. Vol.3, part 1 + 2. G. Kearsley, Thomas Davison, London: 313-615
- ↑ Boulenger, G.A. 1893. Catalogue of the Snakes in the British Museum (Natural History), Volume I. London.
- ↑ Boulenger, G. A. 1890. The Fauna of British India, Including Ceylon and Burma. Reptilia and Batrachia. Taylor & Francis, London, xviii, 541 pp.
- ↑ Boulenger, G.A. 1893. Catalogue of the Snakes in the British Museum (Natural History), Volume I. London.
Other references
- Lanza,B. 1999 A new species of Lycodon from the Philippines, with a key to the genus (Reptilia: Serpentes: Colubridae). Tropical Zoology 12: 89-104