Mixcoatlus browni (SHREVE, 1938)

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Higher Taxa	Viperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Brown’s Montane Pit Viper
Synonym	Agkistrodon browni SHREVE 1938 Mixcoatlus browni — JADIN et al. 2011 Mixcoatlus browni — WALLACH et al. 2014: 457
Distribution	SW Mexico (Guerrero), elevation 1,826 to 3,296 m Type locality: Omilteme, Guerrero, Mexico.
Reproduction	viviparous (not imputed, fide Zimin et al. 2022)
Types	Holotype: MCZ R-42678
Diagnosis	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 5467 characters), are available for collaborators and contributors. Please contact us for details.
Comment	Venomous! Synonymy: SMITH 1941 synoymized Agkistrodon browni SHREVE 1938 with Cerrophidion barbouri; JADIN et al. 2011 resurrected A. browni. Type species: Agkistrodon browni SHREVE 1938 is the type species of the genus Mixcoatlus JADIN, SMITH & CAMPBELL 2011. Habitat: terrestrial
Etymology	Named after the collector of the types, Mr Wilmot W. Brown. The genus name is derived from the Náhuatl word Mixcoatl, meaning ‘cloud serpent,’ a god of the Aztecs and several Mesoamerican civilizations. The name alludes to the restriction of this clade to high elevations. The gender of this name is masculine.
References	Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - 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 RC, Mihaljevic JR, Orlofske SA. 2019. Do New World pitvipers “scale‐down” at high elevations? Macroecological patterns of scale characters and body size. Ecol Evol. 00:1–14 - get paper here 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 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 Shreve, B. 1938. A new Agkistrodon from Mexico. Copeia 1938 (1): 9 - 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. Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
External links	National Center for Biotechnology Information Google images

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