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Geophis bicolor GÜNTHER, 1868

IUCN Red List - Geophis bicolor - Data Deficient, DD
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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Mexican Plateau Earth Snake
S: Minadora de la Meseta Mexicana 
SynonymGeophis bicolor GÜNTHER 1868: 416
Geophis chalybeus — BOCOURT 1883: 530
Rhabdosoma bicolor — COPE 1885: 385
Rhabdosoma guttulatum COPE 1885: 385
Dirosema bicolor — BOULENGER 1894: 298
Catasoma bicolor — AMARAL 1929: 191
Geophis bicolor — LINER 1994
Geophis bicolor — WILSON & TOWNSEND 2007: 5
Geophis bicolor — WALLACH et al. 2014: 300 
DistributionMexico (Distrito Federal, Jalisco, Michoacan, Veracruz), elevation 1800-2600 m.

Type locality: “In the neighbourhood of the city of Mexico.”  
Reproductionoviparous 
TypesLectotype: BMNH 1946.1.1.64, an adult male, designated by Downs (1967: 55). Paralectotypes: BMNH 1946.1.1.63-66, collected by H. Doorman.
Syntypes: USNM 25024, 25025, 30399 [Rhabdosoma guttulatum] 
DiagnosisDiagnosis: Downs 1967: 55


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Comment 
EtymologyNamed after Latin bicolor, of two colors. [“...Upper parts uniform black; below white...”]. 
References
  • Amaral,A. do 1930. Estudos sobre ophidios neotropicos XVIII. Lista remissiva dos ophidios da região neotropica. Mem. Inst. Butantan 4: 126-271 [1929] - get paper here
  • Bocourt, M. F. 1883. In A. Duméril, M. F. Bocourt, and F. Mocquard, (1870-1909), Etudes sur les reptiles, p. i-xiv, 1-1012. In Recherches Zoologiques pour servir a l'Histoire de Ia Faune de l'Amérique Centrale et du Mexique. Mission Scientifique au Mexique et dans l'Amérique Centrale, Recherches zoologiques. Part 2, sect. 1. Imprimerie Impériale, Paris - get paper here
  • Boulenger, George A. 1894. Catalogue of the snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. British Mus. (Nat. Hist.), London, xi, 382 pp. - get paper here
  • Cope, E.D. 1885. A contribution to the herpetology of Mexico. Proc. Amer. Philos. Soc. 22: 379-404 - get paper here
  • Dixon, James R. 1968. Notes on the snake genus Geophis, from Nevado de Colima, Jalisco, Mexico. Southwestern Naturalist 13 (4): 452-454 - 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
  • Garman, Samuel 1884. The reptiles and batrachians of North America. Mem. Mus. comp. Zool, Cambridge (Massachusetts), 8 (3): xxxiv + 185 pp. [1883] [CNAH reprint 10] - get paper here
  • Günther, A. 1868. Sixth account of new species of snakes in the collection of the British Museum. Ann. Mag. nat. Hist. (4) 1: 413-429 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Lemos-Espinal JA, Smith GR 2020. A conservation checklist of the amphibians and reptiles of the State of Mexico, Mexico with comparisons with adjoining states. ZooKeys 953: 137-159 - get paper here
  • Lemos-Espinal JA, Smith GR 2020. A conservation checklist of the amphibians and reptiles of Mexico City, with comparisons with adjoining states. ZooKeys 951: 109-131 - get paper here
  • Rodríguez-Canseco, Jesús Mauricio, Matías Domínguez-Laso, Verónica Rosas Espinoza and Alberto Ayon-Escobedo. 2013. Geographic Distribution: Geophis bicolor (Mexican plateau earth snake). Herpetological Review 44 (3): 476 - get paper here
  • Torres-Hernández, LA, Ramírez-Bautista A, Cruz-Elizalde R, Hernández-Salinas U, Berriozabal-Islas C, DeSantis DL, Johnson JD, Rocha A, García-Padilla E, Mata-Silva V, Fucsko LA, and Wilson LD. 2021. The herpetofauna of Veracruz, Mexico: composition, distribution, and conservation status. Amphibian & Reptile Conservation 15(2) [General Section]: 72–155 - 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
 
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