Porthidium lansbergii

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
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Porthidium
Species:
P. lansbergii
Binomial name
Porthidium lansbergii
(Schlegel, 1841)
Synonyms[1]
  • 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
    — Mocquard, 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
Common names: Lansberg's hognosed pitviper.[2]

Etymology

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

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

Common names for P. lansbergii include Lansberge's hog-nosed pit-viper. It is also called patoca in Colombia and Panama.[2]

Geographic range

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
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

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

Reproduction

Porthidium lansbergii is viviparous.[5]

References
  1. 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).
  2. 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.
  3. "Porthidium lansbergii ". Integrated Taxonomic Information System. Retrieved 20 September 2007.
  4. 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).
  5. "Porthidium lansbergii ". The Reptile Database. www.reptile-database.org.

Further reading
  • 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).
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