Geophis zeledoni TAYLOR, 1954

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Higher Taxa	Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names
Synonym	Geophis zeledoni TAYLOR 1954: 693 Geophis zeledoni — VILLA et al. 1988 Geophis zeledoni — WILSON & TOWNSEND 2007: 19 Geophis zeledoni — SAVAGE & WATLING 2008: 590 Geophis zeledoni — WALLACH et al. 2014: 306
Distribution	Costa Rica (Cordillera Central), ca. 1829-2100 m elevation. Type locality: Finca Zeledón, ca. 1829 m elevation, between Volcán Barba and Volcán Poás, Costa Rica.
Reproduction	oviparous
Types	Holotype: KU 31992, University of Kansas Natural History Museum & Biodiversity Research Center, collected 24 July 1952 by E.H. Taylor.
Diagnosis	Diagnosis: This species is distinctive within the Geophis sieboldi species group in the following combination of features: (1) usually six supralabials, often ﬁve; (2) two supralabials lie posterior to orbit; (3) no anterior temporal or postlabials; (4) last supralabial usually separated from the parietal by a short posterior temporal; (5) usually three jubals posterior to the posterior temporal and last supralabial and the upper jubal in contact with the parietal; (6) dorsal scales in 15–15–15 rows; (7) caudal scales weakly keeled to smooth; (8) ﬁrst tooth at tip of maxilla or preceded by a short toothless area; posterior half of maxilla depressed, curving ventrad posteriorly; (9) ventrals 139–143.7–149 in males (N = 15), 141–144.8–150 in females (N = 14); subcaudals 37–43.1–46 in males (N = 13), 36–39.3–43 in females (N = 12); ventrals plus subcaudals 178–184.4–191 (N = 12); (10) dorsum and upper surface of tail uniform black; no light head band in juveniles; venter banded or variegated; subcaudals mostly to entirely black (Savage & Watling 2008: 590). 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 57 characters) are available for collaborators and contributors. Please contact us for details.
Comment
Etymology	Named after Jose Castulo Zeledon (1846-1923), who became an internationally known ornithologist and co-administrator of the drugstore Botica Francesa, one of Costa Rica's largest private companies.
References	Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here Downs, F. L. 1967. lntrageneric relations among colubrid snakes of the genus Geophis Wagler. Misc. Publ. Mus. Zool. Univ. Michigan 131: 1-193. - get paper here Köhler, Gunther, Joseph Vargas, Johannes J. Köhler and Milan Vesel´y. 2013. Noteworthy distributional records of amphibians and reptiles from Costa Rica. Herpetological Review 44 (2): 280-283 - get paper here Lips K R. Savage J M. 1994. A new fossorial snake of the genus Geophis (Reptilia: Serpentes: Colubridae) from the Cordillera de Talamanca of Costa Rica. Proc. Biol. Soc. Washington 107 (2): 410-416. - get paper here Restrepo T J H; Wright J W 1987. A new species of the colubrid snake genus Geophis from Colombia. Journal of Herpetology 21 (3): 191-196 - get paper here Sasa, M., Arias, E., & Chaves, G. 2025. Annotated list of amphibians and reptiles of Costa Rica: The role of the Museum of Zoology in cataloging the country’s herpetological diversity. Revista de Biología Tropical, 73(S2): e64536-e64536 - 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] Savage, Jay M.; Watling, James I. 2008. Not so rare snakes: a revision of the Geophis sieboldi group (Colubridae: Dipsadinae) in lower Central America and Colombia. Zoological Journal of the Linnean Society 153(3):561-599 - 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. WILSON, L.D. & J.H. TOWNSEND 2007. A checklist and key to the snakes of the genus Geophis (Squamata: Colubridae: Dipsadinae), with commentary on distribution and conservation. Zootaxa 1395: 1-31 - get paper here
External links	IUCN Red List National Center for Biotechnology Information Google images

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