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Porthidium dunni

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Common names: Dunn's hognosed pitviper.[3]

Porthidium dunni is a species of venomous pitviper in the family Viperidae. The species is endemic to Mexico. There are no recognized subspecies.[4]

Etymology

The specific name, dunni, is in honor of American herpetologist Emmett Reid Dunn[5] "in appreciation of his work on American snake fauna".[6]

Description

Adults of P. dunni are usually 30–40 cm (11+3415+34 in) in total length (including tail), with a maximum of 57 cm (22+12 in). A moderately stout and terrestrial species, the tip of the snout is moderately elevated.[3]

Geographic range

P. dunni is found in southern Mexico in the Pacific lowlands of Oaxaca and western Chiapas.[7]

The type locality given is "the immediate vicinity of the village of Tehuantepec" [Oaxaca, Mexico].[2]

Habitat

The preferred natural habitat of P. dunni is forest.[1]

Reproduction

P. dunni is ovoviviparous.[7]

Conservation status

The species P. dunni is classified as Least Concern (LC) on the IUCN Red List of Threatened Species (v3.1, 2007).[1] 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.[8]

References

  1. ^ a b c Muñoz-Alonso A (2007). "Porthidium dunni ". The IUCN Red List of Threatened Species 2007: https://dx.doi.org/10.1305/IUCN.UK.2007-RLTS.T64342A12772353.en. Accessed on 09 October 2022.
  2. ^ a b McDiarmid RW, Campbell JA, Touré TA (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).
  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. ^ "Porthidium dunni". Integrated Taxonomic Information System. Retrieved 15 September 2007.
  5. ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Porthidium dunni, p. 77).
  6. ^ Hartweg & Oliver (1938), pp. 5-6.
  7. ^ a b Species Porthidium dunni at The Reptile Database www.reptile-database.org.
  8. ^ 2001 Categories & Criteria (version 3.1) at the IUCN Red List. Accessed 15 September 2007.
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Porthidium dunni: Brief Summary

provided by wikipedia EN
Common names: Dunn's hognosed pitviper.

Porthidium dunni is a species of venomous pitviper in the family Viperidae. The species is endemic to Mexico. There are no recognized subspecies.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN