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Mixcoatlus browni (SHREVE, 1938)

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Higher TaxaViperidae, Crotalinae, Colubroidea, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesBrown’s Montane Pit Viper 
SynonymAgkistrodon browni SHREVE 1938
Mixcoatlus browni — JADIN et al. 2011
Mixcoatlus browni — WALLACH et al. 2014: 457 
DistributionSW Mexico (Guerrero), elevation 1,826 to 3,296 m

Type locality: Omilteme, Guerrero, Mexico.  
Reproduction 
TypesHolotype: MCZ R-42678 
CommentVenomous!

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 
Etymologynamed after the collector of the types, Mr Wilmot W. Brown.

Etymology (genus): The generic name is derived from the Náhuatl word Mixcoatl, meaning ‘cloud serpent,’ a god of the Aztecs and several Mesoamerican civiliza- tions. 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, 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
  • 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
  • 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. Taylor and Francis, CRC Press, 1237 pp.
 
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