Mixcoatlus barbouri (DUNN, 1919)

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Higher Taxa	Viperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Barbour's Montane Pit Viper S: Vibora Colorada
Synonym	Lachesis 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
Distribution	SW Mexico (Guerrero, Sierra Madre del Sur), 2,300 to 2,608 m Type locality: Omilteme, Guerrero, Mexico.
Reproduction	ovoviviparous
Types	Holotype: USNM 46347
Diagnosis	Diagnosis: “A small Lachesis with single subcaudals, 17 rows of scales, and an enlarged frontal shield” (Dunn 1919: 213). Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 170 characters) are available for collaborators and contributors. Please contact us for details.
Comment	Venomous! Synonymy: Jadin et al. 2011 removed Agkistrodon browni SHREVE 1938 from the synonymy of Cerrophidion barbouri. Habitat: terrestrial
Etymology	Named after Thomas Barbour (1884-1946), Associate Curator of Reptiles and Amphibians (1923), and, later, Director (1927) of the Museum of Comparative Zoology at Harvard.
References	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 Lemos-Espinal, J. A., & Smith, G. R. 2025. The diversity and conservation status of amphibians and reptiles from the Mexican biogeographic province of Sierra Madre del Sur. Nature Conservation, 58: 101-127 - 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. OLIVEIRA-DALLAND, LUIS G.; LAURA R.V. ALENCAR, LEANDRO R. TAMBOSI, PAOLA A. CARRASCO, RHETT M. RAUTSAW, JESUS SIGALA-RODRIGUEZ, GUSTAVO SCROCCHI & MARCIO MARTINS. 2022. Conservation gaps for Neotropical vipers: Mismatches between protected areas, species richness and evolutionary distinctiveness. Biological Conservation 275(109750). - get paper here 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. Notes on 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.
External links	IUCN Red List National Center for Biotechnology Information https://www.facebook.com/groups/stshc/posts/236369725254300/ Google images

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