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Conopsis nasus (GÜNTHER, 1858)

IUCN Red List - Conopsis nasus - Least Concern, LC

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
SubspeciesConopsis nasus nasus GÜNTHER 1858
Conopsis nasus labialis TANNER 1961 
Common NamesLargenose Earth Snake 
SynonymConophis nasus GÜNTHER 1858: 6
Oxyrhina (Exorhina) maculata JAN 1862 :54
Oxyrhina maculata anomala DUGÈS 1869:144
Conophis nasus — COPE 1879: 265
Conopsis maculatus COPE 1884:162
Ficimia nasus — GARMAN 1884: 83
Ficimia maculata — GARMAN 1884: 84
Contia nasus BOULENGER 1894: 268–269
Conopsis [nasus nasus] CUESTA TERRÓN 1930:176
Conopsis nasus heliae CUESTA TERRÓN 1930:175–176
Conopsis nasus labialis TANNER 1961:15 (fide GOYENECHEA & FLORES-VILLELA 2006
Gyalopion atavus LEVITON & BANTA 1961:2
Conopsis nasus — LINER 1994
Conopsis nasus — GOYENECHEA & FLORES-VILLELA 2006
Conopsis nasus — WALLACH et al. 2014: 181

Conopsis nasus labialis TANNER 1961
Conopsis nasus labialis TANNER 1961: 13
Conopsis nasus labialis TANNER 1985: 628 
DistributionMexico (Oaxaca, Chihuahua, Aguascalientes, Distrito Federal, Durango, Guanajuato, Hidalgo, Jalisco, Estado de Mexico, Michoacan, Morelos, Puebla, Queretaro, San Luis Potosi, Sinaloa, Tlaxcala, Veracruz and Zacatecas), elevation 1515 to 2950 m.

labialis: Chihuahua (see comment)

Type locality: Milpas Durango (of neotype); see comment Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
Reproductionviviparous. 
TypesHolotype: BMNH (lost); BMNH 83.4.16.38 
CommentType species: Conophis nasus GÜNTHER 1858 is the type species of the genus Conopsis.

The phylogenetic analysis (Goyenechea & Flores in prep.) suggests that Chionactis and Gyalopion may be the sister groups to Conopsis.

The type locality of Conopsis nasus is “California”.

Diet: invertebrates 
EtymologyThe name Conopsis was derived from the Greek words cono, meaning "cone" and -opsis, meaning "having the appearance of," in reference to the conical shape of the snout.
The specific name is derived from the Latin word nasus, meaning "nose." 
References
  • 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.
  • Dixon, James R. and Julio A. Lemos-Espinal 2010. Amphibians and reptiles of the state of Queretaro, Mexico. Tlalnepantla UNAM, 428 pp.
  • Dunn, Emmett Reid 1936. The amphibians and reptiles of the Mexican Expedition of 1934. Proceedings of the Academy of Natural Sciences of Philadelphia 88: 471-477 - 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
  • 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
  • Goyenechea, Irene; Flores-Villela, Oscar 2000. Designation of a Neotype for Conopsis nasus (Serpentes: Colubridae). Copeia 2000 (1): 285-287 - get paper here
  • Günther, A. 1858. Catalogue of Colubrine snakes of the British Museum. London, I - XVI, 1 - 281
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Johnson, R. M.;Liner, E. A. 1978. Conopsis nasus nasus (Reptilia, Serpentes, Colubridae) in Chihuahua, Mexico. Journal of Herpetology 12 (1): 108-109 - get paper here
  • Kunz, Kriton 2015. Schlangen, die Wirbellose fressen Terraria-Elaphe 2015 (5): 14-20 - get paper here
  • Lemos-Espinal, Julio A. and James R. Dixon 2013. Amphibians and Reptiles of San Luis Potosí. Eagle Mountain Publishing, xii + 300 pp.
  • Lemos-Espinal, Julio A., Geoffrey R. Smith 2015. Amphibians and reptiles of the state of Hidalgo, Mexico. Check List 11 (3): 1642 - get paper here
  • Leyte-Manrique, Adrian; Efrén M. Hernández Navarro y Luis A. Escobedo-Morales 2015. Herpetofauna de Guanajuato: Un análisis histórico y contemporáneo de su conocimiento Revista Mexicana de Herpetología 1(1): 1–14 - 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
  • McCranie, J.R. & Wilson, L.D. 2001. The herpetofauna of the Mexican State of Aguascalientes. Courier Forschungsinstitut Senckenberg 230: 1-57
  • Raya-García, E., et al. 2017. Conopsis nasus (Large-nosed Earthsnake) Defensive behavior. Herpetological Review 48 (2): 377
  • 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
  • Roth-Monzón AJ, Mendoza-Hernández AA, Flores-Villela O. 2018. Amphibian and reptile biodiversity in the semi-arid region of the municipality of Nopala de Villagrán, Hidalgo, Mexico. PeerJ 6:e4202 - get paper here
  • Schmidt, Karl P.;Shannon, Frederick A. 1947. Notes on amphibians and reptiles of Michoacan, Mexico. Zoological Series of Field Museum of Natural History 31 (9): 63-85
  • Smith, Hobart M. 1939. Notes on Mexican reptiles and amphibians. Zoological Series of Field Museum of Natural History 24 (4): 15-35 - get paper here
  • Tanner, Wilmer W. 1961. A new subspecies of Conopsis nasus from Chihuahua, Mexico. Herpetologica 17 (1): 13-18 - get paper here
  • Tanner, Wilmer W. 1985. Snakes of Western Chihuahua. Great Basin Naturalist 45 (4): 615-676 - get paper here
  • Valdez-Lares, R.; R. Muñiz-Martínez; E.Gadsden; G. Aguirre-León; G. Castañeda-Gaytán; R. Gonzalez-Trápaga 2013. Checklist of amphibians and reptiles of the state of Durango, México. Check List 9 (4):714-724 - get paper here
  • Vázquez Díaz, Joel;Quintero Díaz, Gustavo E. 2005. Anfibios y Reptiles de Aguascalientes [2nd ed.]. CONABIO, CIEMA, 318 pp.
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. Taylor and Francis, CRC Press, 1237 pp.
  • Webb, R.G. 1984. Herpetogeography in the Mazatlán-Durango Region of the Sierra Madre Occidental, Mexico. Vetrebrate Ecology and Systematics - A ribute to Henry S. Fitch; Museum of Natural History, University of Kansas, Lawrence, pp. 217-241
  • Webb, Robert G.;Hensley, Max 1959. Notes on reptiles from the Mexican State of Durango. Publications of the Museum - Michigan State University, Biological Series 1 (6): 249-258
  • 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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