Porthidium lansbergii is a species of venomous snake, a pitviper in the family Viperidae. The species is endemic to Central and South America. Four subspecies are recognized, including the nominate subspecies described here.[3]
| Porthidium lansbergii | |
|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Viperidae |
| Genus: | Porthidium |
| Species: | P. lansbergii
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| Binomial name | |
| Porthidium lansbergii (Schlegel, 1841)
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| Synonyms[1] | |
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- Common names: Lansberg's hognosed pitviper.[2]
Etymology edit
The specific name, lansbergii, is in honor of "M[onsieur]. de Lansberge" (Reinhart Frans von Lansberge), Dutch consul at Caracas, Venezuela, in 1841.[4]
Description edit
Adults of P. lansbergii average 30–50 cm (11+3⁄4–19+5⁄8 in) in total length (including tail), with a maximum of 90 cm (35+1⁄2 in). A terrestrial snake, it is moderately slender.[2]
Common names edit
Common names for P. lansbergii include Lansberge's hog-nosed pit-viper. It is also called patoca in Colombia and Panama.[2]
Geographic range edit
Porthidium lansbergii is found in 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 in the Pacific lowlands of Ecuador. The type locality given is "les environs de Turbaco [Department de Bolívar], en Colombie ". According to Amaral (1929), the holotype is likely from Tumaco.[1]
According to the range map provided by Campbell & Lamar (2004), the subspecies P. l. rozei and P. l. lansbergii intergrade in the northern part of the Guajira Peninsula.[2]
Subspecies edit
| Subspecies[3] | Taxon author[3] | Common name | Geographic range[1][2] |
|---|---|---|---|
| P. l. arcosae | (Schätti & Kramer, 1993) | Manabí hognosed pitviper[2] | Western Ecuador in the Pacific lowlands of Manabí Province. |
| P. l. hutmanni | (Sandner-Montilla, 1989) | Endemic to Isla Margarita, Venezuela. | |
| P. l. lansbergii | (Schlegel, 1841) | Northern Colombia and Panama. | |
| P. l. rozei | (J. Peters, 1968) | Lansberg's gold hognosed pitviper | Venezuela from the Lake Maracaibo region and along the coast as far east as Caripito Monagas. Also enters northeastern Colombia to the southwest of Lake Maracaibo. |
Nota bene: A trinomial authority (taxon author) in parentheses indicates that the subspecies was originally described in a genus other than Porthidium.
Taxonomy edit
Campbell & Lamar (2004) consider P. l. arcosae a full species.[2]
Reproduction edit
Porthidium lansbergii is viviparous.[5]
References edit
- ^ a b c 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).
- ^ a b c d e f g 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.
- ^ a b c "Porthidium lansbergii ". Integrated Taxonomic Information System. Retrieved 20 September 2007.
- ^ 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 lansbergii, p. 151).
- ^ "Porthidium lansbergii ". The Reptile Database. www.reptile-database.org.
Further reading edit
- Schlegel H (1841). "Description d'une nouvelle espèce du genre Trigonocéphale (T. Lansbergii) ". Magasin de Zoologie 3: 1-3. (Trigonocephalus lansbergii, new species). (in French).
External links edit
- Porthidium lansbergii at the Reptarium.cz Reptile Database. Accessed 20 September 2007.