Trimeresurus macrops

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Trimeresurus macrops
Trimeresurus macrops, Large-eyed pit viper.jpg
Trimeresurus macrops - Khao Yai National Park, Thailand
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Trimeresurus
Species: T. macrops
Binomial name
Trimeresurus macrops
Kramer, 1977
  • Trimeresurus macrops Kramer, 1977[2]
  • Cryptelytrops macrops
    – Malhotra & Thorpe, 2004
  • Trimeresurus (Trimeresurus) macrops – David et al., 2011[3]

Trimeresurus macrops is a venomous pit viper species endemic to Southeast Asia. No subspecies are currently recognized.[4] Common names include large-eyed pitviper[5] and green pit viper.


It can be distinguished from other green pit vipers by the relatively large size of its eyes, which is especially noticeable in adult specimens, and to which the specific name, macrops, refers.[3]

Scalation includes 21 rows of dorsal scales at midbody, 160-174/161-175 ventral scales in males/females, 62-74/49-63 subcaudal scales in males/females, and 9-12 supralabial scales.[5]

Geographic range[edit]

It is found in Southeast Asia in northern Cambodia, Laos, Thailand, and southern Vietnam.[3] The type locality given is "Bangkok, Thailand".[2]

See also[edit]


  1. ^
  2. ^ a b McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  3. ^ a b c The Reptile Database.
  4. ^ "Trimeresurus macrops". Integrated Taxonomic Information System. Retrieved 28 July 2008. 
  5. ^ a b Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S. 2004. Asian Pitvipers. Geitje Books. Berlin. 1st Edition. 368 pp. ISBN 3-937975-00-4.

Further reading[edit]

  • Kramer, Eugen. 1977. Zur Schlangenfauna Nepals. Revue suisse de Zoologie 84 (3): 721-761.

External links[edit]