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Crotalus aquilus KLAUBER, 1952

IUCN Red List - Crotalus aquilus - Least Concern, LC

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Higher TaxaViperidae, Crotalinae, Colubroidea, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesQueretaran Dusky Rattlesnake 
SynonymCrotalus triseriatus aquilus KLAUBER 1952: 24
Crotalus triseriatus quadrangularis HARRIS & SIMMONS 1978
Crotalus triseriatus quadrangularis — KISSER 1980
Crotalus triseriatus aquilus — WELCH 1994: 49
Crotalus aquilus — LINER 1994
Crotalus aquilus — MCDIARMID, CAMPBELL & TOURÉ 1999: 277
Uropsophus aquilus — HOSER 2009
Crotalus aquilus — WALLACH et al. 2014: 188 
DistributionC Mexico (endemic to the highlands north of the Transverse Volcanic Cordillera: Veracruz, San Luis Potosí, Hidalgo, Querétaro, Guanajuato, Jalisco, Michoacán, Aguascalientes, Zacatecas)

Type locality: "near Alvarez, San Luis Potosi, Mexico."  
Reproductionviviparous 
TypesHolotype: MCZ 27843; Paratypes SDSNH 3496-3501, 6575-6577 (topotypes) 
CommentVenomous!

This species is sympatric with (in N Michoacán) and superficially similar to C. triseriatus.

Nomenclature: Hoser’s 2009 classification and nomenclature has been rejected as unnecessary and unavailable by WÜSTER & BERNILS 2011. 
EtymologyThe generic name Crotalus is derived from the Greek word krotalon, meaning "rattle." The specific epithet is the Latin word aquilus, which means "dark colored or swarthy" (LEMOS-ESPINAL & DIXON 2013). 
References
  • Bryson Jr, Robert W.; Robert W. Murphy, Amy Lathrop and David Lazcano-Villareal 2011. Evolutionary drivers of phylogeographical diversity in the highlands of Mexico: a case study of the Crotalus triseriatus species group of montane rattlesnakes. Journal of Biogeography 38: 697–710 - get paper here
  • Bryson, R.W. 2007. Fotopirsch auf Gebirgsklapperschlangen. Reptilia (Münster) 12 (66): 32-37 - get paper here
  • BRYSON, ROBERT W.; JR., CHARLES W. LINKEM, MICHAEL E. DORCAS, AMY LATHROP, JASON M. JONES, JAVIER ALVARADO-DÍAZ, CHRISTOPH I. GRÜNWALD & ROBERT W. MURPHY 2014. Multilocus species delimitation in the Crotalus triseriatus species group (Serpentes: Viperidae: Crotalinae), with the description of two new species. Zootaxa 3826 (3): 475–496 - get paper here
  • Carbajal-Márquez, R. A., Z. Y. González-Saucedo & J. C. Arenas-Monroy. 2015. Crotalus aquilus (SQUAMATA: VIPERIDAE), a New State Record for Zacatecas, Mexico. Acta Zoologica Mexicana (n.s.) 31(1):131-133 - get paper here
  • Deloya, Estrella Mociño; Setser, Kirk. 2007. Crotalus aquilus (Queretaran Dusky Rattlesnake). Maximum Size. Herpetological Review 38 (2): 204 - get paper here
  • Dixon, James R. and Julio A. Lemos-Espinal 2010. Amphibians and reptiles of the state of Queretaro, Mexico. Tlalnepantla UNAM, 428 pp.
  • Dorcas, M.E. 1992. Relationships among montane populations of Crotalus lepidus and Crotalus triseriatus in: Campbell, J.A. & Brodie, E.D. (eds.) Biology of the Pitvipers. Selva, Tyler, Texas. ISBN 0-9630536-0-1
  • Harris, Herbert S. & Simmons, Robert S. 1978. A preliminary account of the rattlesnakes with the descriptions of four new subspecies. Bull. Maryland Herp. Soc. 14 (3): 105-211 [1977]
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Herrera-Enríquez, Gerson Josué, Elí García-Padilla, Vicente Mata-Silva, Dominic L. DeSantis and Larry David Wilson. 2016. Crotalus aquilus Klauber, 1952. Arboreality. Mesoamerican Herpetology 3 (3): 738–739
  • Hoser, R. 2009. A reclassification of the rattlesnakes; species formerly exclusively referred to the genera Crotalus and Sistrurus. Australasian Journal of Herpetology 3: 1-21 - get paper here
  • Klauber, Laurence M. 1952. Taxonomic studies on rattlesnakes of Mainland Mexico. Bulletins of the Zoological Society of San Diego (26): 1-143
  • 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
  • McCranie, J.R. & Wilson, L.D. 1979. Commentary on taxonomic practice in regional herpetological publications: a review of the rattlesnakes with the description of four new subspecies [by HARRIS & SIMMONS 1978]. Herpetological Review 10 (1): 18-21 - get paper here
  • McCranie, J.R. & Wilson, L.D. 2001. The herpetofauna of the Mexican State of Aguascalientes. Courier Forschungsinstitut Senckenberg 230: 1-57
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. Herpetologists’ League, 511 pp.
  • Meik, J.M.; Mociño Deloya, E. & Setser K. 2007. NEW DISTRIBUTION RECORDS FOR THE QUERÉTERO DUSKY RATTLESNAKE CROTALUS AQUILUS (VIPERIDAE), WITH COMMENTS ON MORPHOLOGY AND HABITAT USE. Western North American Naturalist 67(4): 601–604
  • Meik, Jesse M and André Pires-daSilva 2009. Evolutionary morphology of the rattlesnake style. BMC Evolutionary Biology 2009, 9:35 - get paper here
  • VALENCIA-HERNÁNDEZ, Ángel Alberto; Irene GOYENECHEA <br />& Jesús Martín CASTILLO-CERÓN 2007. NOTES ON SCUTELLATION, LENGTH, AND DISTRIBUTION OF RATTLESNAKES (SERPENTES: VIPERIDADE: CROTALUS) IN THE STATE OF HIDALGO, MEXICO. Acta Zoológica Mexicana (n.s.) 23(3):29-33
  • 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.
  • Wüster, W. & Bérnils, R.S. 2011. On the generic classification of the rattlesnakes, with special reference to the Neotropical Crotalus durissus complex (Squamata: Viperidae). ZOOLOGIA 28 (4): 417–419
 
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