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Chapinophis xanthocheilus CAMPBELL & SMITH, 1998

IUCN Red List - Chapinophis xanthocheilus - Endangered, EN

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common Names 
SynonymChapinophis xanthocheilus CAMPBELL & SMITH 1998
Chapinophis xanthocheilus — KÖHLER 2008
Chapinophis xanthocheilus — WALLACH et al. 2014: 157 
DistributionC Guatemala (Sierra de las Minas, 1830-2300 m elevation)

Type locality: 5 km ENE Finca Miranda on trail to Aldea Vega Larga, 2300 m elevation, Baja Verapaz, Guatemala.  
TypesHolotype: UTA 35919, a 518 mm male (8 April 1993; R.F. Savage). 
CommentAbundance: only known from the specimen(s) described in the original description (fide Campbell et al. 2018)

Shares certain features, especially the maxilla, with Adelphicos, Geophis, Atractus and may be in the clade containing these snakes, Ninia, and Chersodromus. The hemipenial morphology appears to be similar to Rhadinophanes and Tantalophis.

Type species: Chapinophis xanthocheilus CAMPBELL & SMITH 1998 is the type species of the genus Chapinophis CAMPBELL & SMITH 1998. 
  • Campbell, Jonathan A. and Eric N. Smith. 1998. A new genus and species of colubrid snake from the Sierra de las Minas of Guatemala. Herpetologica 54 (2): 207-220 - get paper here
  • Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp.
  • Villatoro-Castañeda, Melissa and Ariano-Sanchez, Daniel 2017. Rediscovery of the Guatemalan Yellow-lipped Snake, Chapinophis xanthocheilus (Serpentes: Dipsadidae), with comments on its distribution and ecology. Herpetological Review 48 (1): 25-28 - 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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