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Conopsis biserialis (TAYLOR & SMITH, 1942)

IUCN Red List - Conopsis biserialis - Least Concern, LC

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Common NamesTwo-lined Mexican Earth Snake 
SynonymConophis biserialis TAYLOR & SMITH 1942: 333
Conopsis biserialis — LINER 1994
Conopsis biserialis — GOYENECHEA & FLORES-VILLELA 2006
Conopsis biserialis — WALLACH et al. 2014: 181 
DistributionMexico (Distrito Federal, Guanajuato, Jalisco, Estado de México, Michoacán, Morelos, and Puebla, Guerrero); elevation 1700 to 3080 m.

Type locality: 10 miles W Villa Victoria, Estado de México.  
TypesType: FMNH 100062 
CommentDistribution: reports from Hidalgo appear to be erroneous (Lemos-Espinal & SMith 2015). 
  • Canseco-Márquez, L., & Gutiérrrez-Mayén, M.G. 2010. Anfibios y reptiles del Valle de Tehuacán-Cuicatlán. Comisión Nacional para el conocimiento y uso de la biodiversidad, México D.F., Mexico, 302 pp - get paper here
  • Castaneda-Gonzalez, Oiva; Javier Manjarrez, Irene Goyenechea, and Victor Fajardo 2011. Ecology of a Population of the Earthsnake Conopsis biserialis in the Mexican Transvolcanic Axis. Herp. Cons. Biol. 6 (3) - get paper here
  • Castro-Franco, Rubén, María Guasalupe Bustos-Zagal 1994. List of reptiles of Morelos, Mexico, and their distribution in relation to vegetation types. Southwestern Naturalist 39 (2): 171-175 - get paper here
  • Davis, William B.; Smith, Hobart M. 1953. Snakes of the Mexican state of Morelos. Herpetologica 8: 133-149 - get paper here
  • Goyenechea, Irene & Flores-Villela, Oscar 2002. Taxonomic status of the snake genera Conopsis and Toluca (Colubridae). Journal of Herpetology 36 (1): 92-95 - get paper here
  • GOYENECHEA, IRENE & OSCAR FLORES-VILLELA 2006. Taxonomic summary of Conopsis, Günther, 1858 (Serpentes: Colubridae). Zootaxa 1271: 1–27 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • PALACIOS-AGUILAR, RICARDO & OSCAR FLORES-VILLELA 2018. An updated checklist of the herpetofauna from Guerrero, Mexico. Zootaxa 4422 (1): 1-24 - get paper here
  • Raya-García, E., et al. 2017. Conopsis biserialis and C. nasus (Mexican Earthsnakes) probing. Herpetological Review 48 (2): 376-377
  • Raya-García, E., J. Alvarado-Díaz & I. Suazo-Ortuño 2016. Litter size and relative clutch mass of the earthsnakes Conopsis biserialis and C. nasus (Serpentes: Colubridae) from the central Mexican Transvolcanic Axis. Salamandra 52 (2): 217-220 - get paper here
  • Taylor, Edward H. & Smith,H.M. 1942. The snake genera Conopsis and Toluca. Univ. Kansas Sci. Bull. 28 (15): 325-363 - 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.
  • Woolrich-Piña, G. A., E. García-Padilla, D. L. DeSantis, J. D. Johnson, V. Mata-Silva, and L. D. Wilson. 2017. The herpetofauna of Puebla, Mexico: composition, distribution, and conservation status. Mesoamerican Herpetology 4(4): 791–884
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