Porthidium dunni

Porthidium dunni
Conservation status
Least Concern (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Subfamily:	Crotalinae
Genus:	Porthidium
Species:	P. dunni
Binomial name
Porthidium dunni (Hartweg & Oliver, 1938)
Synonyms
Trimeresurus dunni - Hartweg & Oliver, 1938 Bothrops dunni - H.M. Smith & Taylor, 1945 Porthidium dunni - Campbell & Lamar, 1989[1]

Common names: Dunn's hognosed pitviper.^[2]

Porthidium dunni is a venomous pitviper species found in Mexico. No subspecies are currently recognized.^[3]

Description

Adults are usually 30-40 cm in length, with a maximum of 57 cm. A moderately stout and terrestrial species. The tip of the snout is moderately elevated.^[2]

Geographic range

Found in southern Mexico in the Pacific lowlands of Oaxaca and western Chiapas. The type locality given is "the immediate vicinity of the village of Tehuantepec" [Oaxaca, Mexico].^[1]

Conservation status

This species is classified as Least Concern (LC) on the IUCN Red List of Threatened Species (v3.1, 2001).^[4] Species are listed as such due to their wide distribution, presumed large population, or because it is unlikely to be declining fast enough to qualify for listing in a more threatened category. The population trend is stable. Year assessed: 2007.^[5]

See also

• List of crotaline species and subspecies
• Crotalinae by common name
• Crotalinae by taxonomic synonyms
• Snakebite

References

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} Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. 2 volumes. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. ISBN 0-8014-4141-2.
3. ^ "Porthidium dunni". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=585988. Retrieved 15 September 2007. 
4. ^ Porthidium dunni at the IUCN Red List. Accessed 15 September 2007.
5. ^ 2001 Categories & Criteria (version 3.1) at the IUCN Red List. Accessed 15 September 2007.

External links

• Porthidium dunni at the Reptarium.cz Reptile Database. Accessed 15 September 2007.