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Mixcoatlus barbouri (DUNN, 1919)

IUCN Red List - Mixcoatlus barbouri - Endangered, EN

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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Barbour's Montane Pit Viper
S: Vibora Colorada 
SynonymLachesis barbouri DUNN 1919: 213
Bothrops barbouri — AMARAL 1929: 234
Trimeresurus barbouri — SMITH 1941: 61
Porthidium barbouri — WELCH 1994: 101
Cerrophidion barbouri — CAMPBELL & LAMAR 1992
Cerrophidion barbouri — LINER 1994
Cerrophidion barbouri — MCDIARMID, CAMPBELL & TOURÉ 1999: 273
Mixcoatlus barbouri — JADIN et al. 2011
Mixcoatlus barbouri — WALLACH et al. 2014: 457 
DistributionSW Mexico (Guerrero, Sierra Madre del Sur), 2,300 to 2,608 m

Type locality: Omilteme, Guerrero, Mexico.  
TypesHolotype: USNM 46347 
DiagnosisDiagnosis: “A small Lachesis with single subcaudals, 17 rows of scales, and an enlarged frontal shield” (Dunn 1919: 213).

Description of holotype: Dunn 1919: 213

Comparisons: Dunn 1919 compared the new species with (then Lachesis) godmani and aurifer. He also discusses generic assignments. 

Synonymy: Jadin et al. 2011 removed Agkistrodon browni SHREVE 1938 from the synonymy of Cerrophidion barbouri.

Habitat: terrestrial 
EtymologyNamed after Thomas Barbour (1884-1946), Associate Curator of Reptiles and Amphibians (1923), and, later, Director (1927) of the Museum of Comparative Zoology at Harvard. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Campbell, J.A. & Lamar, W.W. 1989. The Venomous Reptiles of Latin America. Comstock Publishing/Cornell University Press, Ithaca
  • Dunn,E.R. 1919. Two new crotaline snakes from western Mexico. Proc. Biol. Soc. Washington 32: 213-216 - get paper here
  • Grünwald, Christoph Imre, Nadia Pérez-Rivera, Iván Trinidad Ahumada-Carrillo, Héctor Franz-Chávez and Brandon Thomas La Forest. 2016. New distributional records for the herpetofauna of Mexico. Herpetological Review 47 (1): 85-90 - get paper here
  • Grünwald, Christoph I.; Jason M. Jones, Hector Franz-Chávez, and Iván T. Ahumada-Carrillo 2015. A new species of Ophryacus (Serpentes: Viperidae: Crotalinae) from eastern Mexico, with commentson the taxonomy of related pitvipers. Mesoamerican Herpetology 2 (4): 388 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • JADIN, ROBERT C.; ERIC N. SMITH and JONATHAN A. CAMPBELL 2011. Unravelling a tangle of Mexican serpents: a systematic revision of highland pitvipers. Zoological Journal of the Linnean Society 163: 943–958 - get paper here
  • Loveridge, Arthur 1946. Thomas Barbour, Herpetologist: 1884-1946. Herpetologica 3 (2): 33-39 - get paper here
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp.
  • Palacios-Aguilar, Ricardo & OSCAR FLORES-VILLELA 2018. An updated checklist of the herpetofauna from Guerrero, Mexico. Zootaxa 4422 (1): 1-24 - get paper here
  • Pérez-Ramos, E., León-Paniagua, L. & Deloya, E.M. 2017. Mixcoatlus barbouri (Barbour’s Montane Pitviper) Diet. Herpetological Review 48 (3): 678. - get paper here
  • Santos-Barrera, G., García, A., Calzada-Arciniega, R. A., Pérez-Cervantes, N. C., & Pacheco-Rodríguez, J. 2021. Herpetofauna in Risk of Extinction: Amphibians and Reptiles in Mexico, Critical Areas, and Conservation Strategies. Imperiled: The Encyclopedia of Conservation (via Researchgate) - get paper here
  • Shreve, B. 1938. A new Agkistrodon from Mexico. Copeia 1938 (1): 9 - get paper here
  • Smith, H.M. 1941. On the Mexican snakes of the genus Trimeresurus. Zoologica 26: 61-64. - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
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