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Porthidium lansbergii

Common names: Lansberg's hognosed pitviper.[2]

Porthidium lansbergii is a venomous pitviper species found in Central and South America. Currently, four subspecies are recognized, including the nominate subspecies described here.[3]


The specific name, lansbergii, is in honor of "M[onsieur]. de Lansberge", Dutch consul at Caracas, Venezuela, in 1841.


Adults average 30-50 cm (11¾-19⅝ inches) in total length with a maximum of 90 cm (35⅜ inches). Terrestrial and moderately slender.[2]

Common names[edit]

Lansberg's hognosed pitviper. Also called patoco in Colombia and Panama.[2]

Geographic range[edit]

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 the Pacific lowlands of Ecuador. The type locality given is "les environs de Turbaco [Department de Bolívar], en Colombie" According to Amaral (1929), 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[3]Taxon author[3]Common nameGeographic 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. rozeiJ.A. Peters, 1968Lansberg's gold hognosed pitviperVenezuela 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.


Capmbell & Lamar (2004) consider P. l. arcosae a full species.[2]

See also[edit]


  1. ^ a b c 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 c d e f g 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. ^ a b c "Porthidium lansbergii". Integrated Taxonomic Information System. Retrieved 20 September 2007. 

Further reading[edit]

  • Schlegel, H. 1841. Description d'une nouvelle espèce du genre Trigonocéphale (T. Lansbergii).
    Magasin de Zoologie 3: 1-3.


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