Trimetopon slevini DUNN, 1940

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Higher Taxa	Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Slevin's Tropical Ground Snake
Synonym	Trimetopon slevini DUNN 1940: 117 Trimetopon slevini — SLEVIN 1942: 474 Trimetopon slevini — VILLA et al. 1988 Trimetopon slevini — SAVAGE 2002 Trimetopon slevini — WALLACH et al. 2014: 744
Distribution	Costa Rica, Panama Type locality: Near Boquete, Chiriqui Prov., Panama, elevation 4000 feet
Reproduction	oviparous; one female had 2, another had 1 developed egg (Dunn 1940)
Types	Holotype: CAS 78938
Diagnosis	Diagnosis: “A Trimetopon with two prefrontals. Allied to T. barbouri Dunn and to T. viquezi Dunn; differs from the first in having more dorsals (17) and more ventrals (153-161); differs from the second in having paired light spots on nape, in lacking a dark streak on scale row 4, in that extension of white neck-color dorsally does not involve seventh upper labial.”
Comment
Etymology	Named after Joseph Richard Slevin (1881-1957), curator of Herpetology at the California Academy of Sciences 1928-1957.
References	Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here Dunn,E.R. 1940. New and noteworthy herpetological material from Panamá. Proc. Acad. Nat. Sci. Philadelphia. 92: 105-122. - get paper here Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp. Mudde, P, & VAN DIJK, M. 1985. Herpetologische waarnemingen in Costa Rica (13). Slangen (Serpentes). Lacerta 43: 176-180. - get paper here Savage, J.M. 2002. The Amphibians and Reptiles of Costa Rica: A Herpetofauna Between Two Continents, Between Two Seas. University of Chicago Press, 934 pp. [review in Copeia 2003 (1): 205] Slevin, J.R. 1942. Notes on a collection of reptiles from Boquete, Panama, with the description of a new species of Hydromorphus. Proc. Cal. Acad. Sci. 23: 463-480 - get paper here Smokoksa, M. and V. J. Acosta-Chaves. 2017. Trimetopon slevini Dunn, 1940. Predation on a velvet worm. Mesoamerican Herpetology 4(2): 438–441 - get paper here Solorzano, A. 2004. Serpientes de Costa Rica - Snakes of Costa Rica. Editorial INBio, Costa Rica, 792 pp. Taylor,E.H. 1954. Further studies on the serpents of Costa Rica. Univ. Kansas Sci. Bull. 36: 673-800. - 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://en.wikipedia.org/wiki/Joseph_Richard_Slevin Google images

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