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Porthidium yucatanicum
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Genus:	Porthidium
Species:	P. yucatanicum
Binomial name
Porthidium yucatanicum (H.M. Smith, 1941)
Synonyms
Trimeresurus yucatanicus H.M. Smith, 1941 Bothrops yucatanicus – H.M. Smith & Taylor, 1945 Bothrops yucatannicus – Hoge & Romano-Hoge, 1981 Trimeresurus yucatannicus – Hoge & Romano-Hoge, 1981 Porthidium yucatanicum – Campbell & Lamar, 1989

Common names: Yucatán hognosed pit viper.

Porthidium yucatanicum is a pit viper species found in Mexico. No subspecies are currently recognized.

Description

Adults are usually 35–45 cm (13+3⁄4–17+3⁄4 in) in total length, although some specimens may exceed 55 cm (21+3⁄4 in). The females tend to be larger than the males. Moderately stout and terrestrial.

Geographic range

Found in the northern half of the Yucatán Peninsula in Mexico. The type locality given is "Chichen Itza, Yucatán" .

Conservation status

This species is classified as Least Concern (LC) on the IUCN Red List of Threatened Species (v3.1, 2001). 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 unknown. Year assessed: 2007.

References

1. ^ 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. ^ 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 yucatanicum". Integrated Taxonomic Information System. Retrieved 15 September 2007.
4. Porthidium yucatanicum 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.

Further reading

• Smith, H.M. 1941. On the Mexican snakes of the genus Trimeresurus. Zoologica 26: 61-64. (Trimeresurus yucatanicus)

External links

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

• IUCN Red List least concern species
• Porthidium
• Snakes of North America
• Endemic reptiles of Mexico
• Fauna of the Yucatán Peninsula
• Reptiles described in 1941