Cerrophidion barbouri

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Cerrophidion barbouri
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Subfamily: Crotalinae
Genus: Cerrophidion
Species: C. barbouri
Binomial name
Cerrophidion barbouri
(Dunn, 1919)
  • Lachesis barbouri Dunn, 1919
  • Bothrops barbouri Amaral, 1930
  • Agkistrodon browni Shreve, 1938
  • Trimeresurus barbouri
    H.M. Smith, 1941
  • Porthidium barbouri
    Campbell, 1988
  • Cerrophidion barbouri
    — Campbell & Lamar, 1992[1]
  • Mixcoatlus barbouri
    Jadin et al., 2011[2]
Common names: Barbour's montane pitviper.,[3] Barbour's pit viper.[4]

Cerrophidion barbouri is a venomous pit viper species endemic to Mexico. No subspecies are currently recognized.[5]


The specific name, barbouri, is in honor of American herpetologist Thomas Barbour.[6]


Adults generally grow to 30–40 cm (11¾-15¾ inches) in total length, with a maximum of 51.0 cm (20 in). It is terrestrial and moderately stout.[3]

The color pattern consists of a blackish ground color, overlaid with a vague dorsal zig-zag stripe that extends down the flanks, which looks like a series of triangular markings. The skin between the scales is rust-colored, as are the sides of the head.[4]

Geographic range[edit]

Cerrophidion barbouri is found in the highlands of the Sierra Madre del Sur in the state of Guerrero, Mexico.

The type locality given is "Omilteme [or Omiltemi], Guerrero, Mexico".[1]


Mountain areas at some 9,000 feet (2,740 m) elevation in rocky pine forests and clearings with bunch grass.[4]

Conservation status[edit]

This species is classified as Endangered (EN) on the IUCN Red List of Threatened Species with the following criteria: B1ab(iii) (v3.1, 2001).[7] A species is listed as such when the best available evidence indicates that the geographic range, in the form of extent of occurrence, is estimated to be less than 5,000 km² (1,930 mi²), estimates indicate the population is severely fragmented or known to exist at no more than five locations, and a continuing decline has been observed, inferred or projected in the area, extent and/or quality of habitat. It is therefore considered to be facing a very high risk of extinction in the wild. The population trend is down. Year assessed: 2007.[8]

See also[edit]


  1. ^ a b 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. ^ The Reptile Database. www.reptile-database.org.
  3. ^ a b Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. 2 volumes. Ithaca and London: Comstock Publishing Associates. 870 pp., 1,500 plates. ISBN 0-8014-4141-2.
  4. ^ a b c Mehrtens JM. 1987. Living Snakes of the World in Color. New York: Sterling Publishers. 480 pp. ISBN 0-8069-6460-X.
  5. ^ "Cerrophidion barbouri". Integrated Taxonomic Information System. Retrieved 14 September 2007. 
  6. ^ Beolens B, Watkins M, Grayson M. 2011. The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Cerrophidion barbouri, p. 16).
  7. ^ Cerrophidion barbouri at the IUCN Red List. Accessed 14 September 2007.
  8. ^ 2001 Categories & Criteria (version 3.1) at the IUCN Red List. Accessed 14 September 2007.

Further reading[edit]

  • Dunn ER. 1919. Two New Crotaline Snakes from Western Mexico. Proc. Biol. Soc. Washington 32: 213-216. ("Lachesis barbouri, sp nov.", pp. 213–214).

External links[edit]