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Echis megalocephalus

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Echis megalocephalus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Echis
Species:
E. megalocephalus
Binomial name
Echis megalocephalus
Cherlin, 1990
Synonyms[1]
  • Echis [(Toxicoa)] megalocephalus Cherlin, 1990
  • Echis megalocephalus
    — Golay et al., 1993
Common names: big-headed carpet viper,[2] Cherlin's saw-scaled viper.[3]

Echis megalocephalus is a venomous viper species endemic to one island in the Red Sea off the coast of Eritrea.[1] No subspecies are currently recognized.[4]

Description

It grows to a total length (body + tail) of 54–62 cm (21–24 in). The head scalation is similar to that of E. pyramidum, although it is relatively large overall in comparison to other Echis species. Midbody, there are 31 rows of dorsal scales. The ventrals number 186-202, and the subcaudals 33-37. The color pattern varies, but generally consists of a series of pale, oblique, dorsal blotches set against a darker ground color.[2]

Geographic range

It is known only from the type locality, Nokra (Nocra) Island, which is part of the Dahlak Archipelago, off the coast of Eritrea in the Red Sea.[1]

References

  1. ^ a b c McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  2. ^ a b Mallow D, Ludwig D, Nilson G. 2003. True Vipers: Natural History and Toxinology of Old World Vipers. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.
  3. ^ Echis megalocephalus at the Reptarium.cz Reptile Database. Accessed 3 August 2007.
  4. ^ "Echis megalocephalus". Integrated Taxonomic Information System. Retrieved 1 August 2006.

Further reading

  • Cherlin, VA. 1990. [A taxonomic revision of the snake genus Echis (Viperidae). II. An analysis of taxonomy and description of new forms]. [Proc. Zool. Inst. Leningrad] 207: 193-223. (in Russian).
  • Golay P, Smith HM, Broadley DG, Dixon JR, McCarthy CJ, Rage J-C, Schätti B, Toriba M. 1993. Endoglyphs and Other Major Venomous Snakes of the World. A Checklist. Geneva: Azemiops Herpetological Data Center. 478 pp.
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