Geophis laticollaris SMITH, LYNCH & ALTIG, 1965

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Higher Taxa	Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Widecollar Earth Snake S: Minadora de Collar Ancho E: Red Earth Snake [russatus] S: Minadora de Roja [russatus]
Synonym	Geophis laticollaris SMITH, LYNCH & ALTIG 1965 Geophis sallaei russatus SMITH & WILLIAMS 1966 Geophis russatus — DOWNS 1967: 138 Geophis sallaei — DOWNS 1967: 168 Geophis laticollaris — LINER 1994 Geophis russatus — LINER 1994 Geophis russatus — WILSON & TOWNSEND 2007: 17 Geophis laticollaris — WILSON & TOWNSEND 2007: 13 Geophis laticollaris — WALLACH et al. 2014: 303 Geophis russatus — WALLACH et al. 2014: 305 Geophis laticollaris — PALACIOS-AGUILAR et al. 2022
Distribution	Mexico (Oaxaca) Type locality: Three miles south of Putla, Oaxaca, Mexico. russatus: Mexico (Oaxaca: Sierra de Miahuatlán); Type locality: La Concepción, near Putla, Oaxaca, México.
Reproduction	oviparous
Types	Holotype: INHS (= UIMNH) 57170, adult female collected 29 June 1964 by R. Altig. Holotype: INHS (= UIMNH) 61409, adult male collected 25 May 1965 by T. MacDougall [russatus]
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 961 characters), are available for collaborators and contributors. Please contact us for details.
Comment	Synonymy: Geophis russatus was considered as synonym of G. laticollaris by Pavón-Vázquez et al. (2011) and Heimes 2016: 244. This was confirmed by Palacios-Aguilar et al. 2022. Geophis laticollaris was synonymized with G. sallaei by Downs (1967), but later resurrected by Smith & Chiszar (1992) after examining materials acquired subsequent to publication of Downs’ work. Distribution: see map in BARRAGAN-RESÉNDIZ et al. 2022: 273 (Fig. 5)
References	Barragán-Reséndiz, Lesly Montserrat, Pavón-Vázquez, Carlos J., Cervantes-Burgos, Romina Itzel, Trujano-Ortega, Marysol, Canseco-Márquez, Luis, et al. 2022. A New Species of Snake of the Geophis sieboldi Group (Squamata: Dipsadidae) from Estado de México, Mexico. Herpetologica 78 (4): 268-276 - get paper here Casas-Andreu, G., F.R. Méndez-De la Cruz and X. Aguilar-Miguel. 2004. Anfibios y Reptiles; pp. 375–390, in A.J.M. García-Mendoza, J. Ordoñez and M. Briones-Salas (ed.). Biodiversidad de Oaxaca. Instituto de Biología, UNAM-Fondo Oaxaqueño para la Conservación de la Naturaleza-World Wildlife Fund, México, D. F. 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 Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp Lemos-Espinal, J. A., & Smith, G. R. 2025. The diversity and conservation status of amphibians and reptiles from the Mexican biogeographic province of Sierra Madre del Sur. Nature Conservation, 58: 101-127 - get paper here Mata-Silva, Vicente, Jerry D. Johnson, Larry David Wilson and Elí García-Padilla. 2015. The herpetofauna of Oaxaca, Mexico: composition, physiographic distribution, and conservation status. Mesoamerican Herpetology 2 (1): 6–62 - get paper here Palacios-Aguilar, Ricardo; Víctor H. Colín-Martínez, Salvador Hernández- Rubio, Luis Canseco-Márquez, Adrián Nieto-Montes de Oca & Leticia M. Ochoa-Ochoa 2021. Another case of colour pattern polymorphism in Earth Snakes of the genus Geophis (Dipsadidae) from southern Mexico. Journal of Natural History, 55 (47-48): 2985-2997 - get paper here Smith, H.M. & Chiszar, D. 1992. A second locality for Geophis sallei (Reptilia: Serpentes). Bull. Maryland Herp. Soc. 28: 16–18. <br /> - get paper here Smith, Hobart M. & Williams, Keneth L. 1966. A new snake (Geophis) from México. Journal of the Ohio Herpetological Society 5 (3): 90-92 - get paper here Smith, Hobart M.; Lynch, John D. & Altig, Ronald 1965. New and notworthy herpetozoa from southern Mexico. Natural History Miscellanea (180): 1-4 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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