Bothrops barnetti

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Lepidosauromorpha
Superordo: Lepidosauria
Ordo: Squamata
Subordo: Serpentes
Infraordo: Caenophidia
Superfamilia: Viperoidea

Familia: Viperidae
Subfamilia: Crotalinae
Genus: Bothrops
Species: Bothrops barnetti
Name

Bothrops barnetti Parker, 1938
Vernacular names
English: Barnett's lancehead
português: Jararaca-de-Barnett

Bothrops barnetti, also known commonly as Barnett's lancehead and Barnett's pit viper, is a species of venomous snake, a pit viper in the subfamily Crotalinae of the family Viperidae. The species is endemic to Peru. There are no subspecies that are recognized as being valid.[2]

Etymology

The specific name, barnetti, is in honor of Burgess Barnett (1888–1944), who collected the holotype and paratypes. Dr. Barnett was Curator of Reptiles at the London Zoo (1932–1937) and Superintendent of the Rangoon Zoological Gardens (1938–1944).[3]
Description

B. barnetti is patterned in white and black triangles. Males usually grow to 120 cm (47 inches) in total length (including tail), whereas females are quite smaller and thinner. The body is heavily shaped and stocky.
Common names

English common names for B. barnetti are Barnett's lancehead[4] and Barnett's pit viper.[5] In Peru it is referred to as cascabel, cascabel falso, macanche, sancarranca, and zancarranca.[4]
Geographic range

B. barnetti is found along the Pacific coast of northern Peru. It occurs at low elevations in arid, tropical scrub.

The type locality given is "from the mouths of Quebradas Honda and Perines, between Lobitos and Talara, northern Peru".[1]
Reproduction

B. barnetti is viviparous.[6]
References

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).
"Bothrops barnetti ". Integrated Taxonomic Information System. Retrieved 5 November 2006.
Beolens B, Watkins M, Grayson M (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Bothrops barnetti, p. 17).
Campbell JA, Lamar WW (2004). The Venomous Reptiles of the Western Hemisphere. Ithaca and London: Comstock Publishing Associates. 870 pp., 1,500 plates. ISBN 0-8014-4141-2.
Brown JH (1973). Toxicology and Pharmacology of Venoms from Poisonous Snakes. Springfield, Illinois: Charles C. Thomas. 184 pp. LCCCN 73–229. ISBN 0-398-02808-7.

Bothrops barnetti at the Reptarium.cz Reptile Database. Accessed 6 December 2007.

Further reading

Freiberg M (1982). Snakes of South America. Hong Kong: T.F.H. Publications. 189 pp. ISBN 0-87666-912-7. (Bothrops barnetti, p. 119).
Parker HW (1938). "The vertical distribution of some reptiles and amphibians from southern Ecuador". Ann. Mag. Nat. Hist., Series 11, 2: 438–450. (Bothrops barnetti, new species, p. 447).
Schmidt KP, Walker WF (1943). "Snakes of the Peruvian Coastal Region". Zoological Series of the Field Museum of Natural History 24 (27): 297–324. (Trimeresurus barnetti, new combination, p. 322).
Silva W (2012). "Haltung und Zucht der Sancarranca (Bothrops barnetti)" Ophidia 6 (1): 8–25.