Porthidium lansbergii

Porthidium lansbergii
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Subfamily:	Crotalinae
Genus:	Porthidium
Species:	P. lansbergii
Binomial name
Porthidium lansbergii (Schlegel, 1841)
Synonyms
Trigonocephalus lansbergii Schlegel, 1841 T[eleuraspis]. Castelnaui Var. brachystoma Cope, 1860 T[eleuraspis]. Lansbergi — Cope, 1860 Bothriechis brachystoma — Cope, 1860 Bothrops lansbergii — Günther, 1863 B[othrops]. Boussingaultii Jan, 1863 B[othrops]. Lansbergi — Jan, 1863 Porthidium lansbergii — Cope, 1871 Bothriopsis brachystoma — Cope, 1871 B[othriopsis]. castelnavi var. brachystoma — Cope, 1871 Bothrops brachystoma — F. Müller, 1880 Bothriopsis br[achystoma]. — F. Müller, 1880 Brothriopsis brachystoma — Cope, 1887 Teleuraspis castelnaudi var. brachystoma — Cope, 1887 Th[anatos]. Lansbergii — Posada Arango, 1889 Th[anatophis]. Lansbergi — Posada Arango, 1889 Th[anatos]. Boussingaultii — Posada Arango, 1889 Th[anatophis]. Boussingaultii — Posada Arango, 1889 Bothriechis lansbergii — Günther, 1895 Lachesis lansbergii — Boulenger, 1896 Lachesis brachystoma — Boulenger, 1896 Trimeresurus brachystoma — , 1989 Bothriechis lansbergii — Recinos, 1913 Lachesis lansbergi — Griffin, 1916 Bothrops lansbergii venezuelensis Roze, 1959 B[othrops]. l[ansbergii]. lansbergii — Roze, 1959 Porthidium lansbergii — Campbell & Lamar, 1989 Porthidium lansbergii lansbergii — Campbell & Lamar, 1989

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

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

Adults average 30–50 cm (11 ³⁄₄–19 ⁵⁄₈ in) in total length with a maximum of 90 cm (35 ¹⁄₂ in). Terrestrial and moderately slender.

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

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 (1929), likely from Tumaco.

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.

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