Porthidium
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Common names: hognose pit vipers.
Porthidium is a genus of venomous pit vipers found in Mexico, southward through Central America to northern South America.[1] Seven species are currently recognized.[2]
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[edit] Geographic range
Found in Mexico (Colima, Oaxaca and Chiapas on the Pacific side, the Yucatan Peninsula on the Atlantic side) southward through Central America to northern South America (Ecuador in the Pacific lowlands, northern Venezuela in the Atlantic lowlands).[1]
[edit] Species
| Species[2] | Authority[2] | Subsp.*[2] | Common name | Geographic range[1] |
|---|---|---|---|---|
| P. dunni | (Hartweg & Oliver, 1938) | 0 | Dunn's hognose pit viper | Southern Mexico in the Pacific lowlands of Oaxaca and western Chiapas. |
| P. hespere | (Campbell, 1976) | 0 | Western hognose pit viper | Western Mexico (Colima). |
| P. lansbergii | (Schlegel, 1841) | 3 | Lansberg's hognose viper[3] | Extreme eastern Central America in the xeric coastal lowlands of central and eastern Panama. In northern South America in the Atlantic lowlands of Colombia and northern Venezuela, as well as the Pacific lowlands of Ecuador. |
| P. nasutumT | (Bocourt, 1868) | 0 | Rainforest hognose pit viper | Southern Mexico southward through Central America to western Colombia and northwestern Ecuador in South America. Inhabits the Atlantic lowlands from Mexico (Tabasco and Chiapas) through Belize, Guatemala, Honduras, Nicaragua and Costa Rica to eastern Panama and northwestern Colombia. In the Pacific lowlands, it occurs in southwestern Costa Rica, central and eastern Panama, continuing on to northwestern Ecuador. It is found in mesic lowland broadleaf or rainforest from sea level to elevation of about 900 m. |
| P. ophryomegas | (Bocourt, 1869) | 0 | Slender hognose pit viper | Central America in Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica. |
| P. volcanicum | Solorzano, 1995 | 0 | Volcán de Buenos Aires and Valle del General in Puntarenas Province, Costa Rica. | |
| P. yucatanicum | (Smith, 1941) | 0 | Yucatán hognose pit viper | Northern half of the Yucatán Peninsula in Mexico. |
*) Not including the nominate subspecies (typical form).
T) Type species.[1]
[edit] Taxonomy
Other taxonomies may include a relatively new species, P. volcanicum, described by Solorzano (1995) and found in Costa Rica.
[edit] Cited references
- ^ a b c d e 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).
- ^ a b c d Porthidium (TSN 585667). Integrated Taxonomic Information System. Accessed on 4 November 2006.
- ^ Porthidium lansbergii at Herps of Panama. Accessed 4 November 2006.
[edit] External links
- Genus Porthidium at the EMBL Reptile Database
- Porthidium at Herpbreeder.com. Accessed 26 September 2006.
