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Crotalus polystictus (COPE, 1865)

IUCN Red List - Crotalus polystictus - Least Concern, LC

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Higher TaxaViperidae, Crotalinae, Colubroidea, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesMexican Lancehead Rattlesnake 
SynonymCaudisona polysticta COPE 1865: 191
Crotalus polystictus COPE 1875
Crotalus ximenesii DUGÉS 1877 (fide COPE 1885: 179)
Crotalus Jimenezii DUGÉS 1877 (fide MCDIARMID et al. 1999: 291)
Crotalus polystictus — COPE 1885: 179
Crotalus polystictus — LINER 1994
Crotalus polystictus — MCDIARMID, CAMPBELL & TOURÉ 1999: 290
Crotalus polystictus — BEAMAN & HAYES 2008
Aechmophrys polystictus — HOSER 2009
Rattlewellsus polystictus — HOSER 2012 (preliminary)
Crotalus polystictus — WALLACH et al. 2014: 193 
DistributionC Mexico (from S Zacatecas and NE Colima to EC Veracruz, Aguascalientes, Morelos, S Durango, Jalisco). Elevation: 1450-2600 m.

Type locality: "Table Land, Mexico." A proposed restriction to "Tupataro, Guanajuato, Mexico" was made by Smith and Taylor (1950:330). [However, type-locality restrictions other than those dealing with type- designations (i.e., lectotype or neotype) have no status under the International Code of Zoological Nomenclature. 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: None designated, according to Klauber (1972:45), cited in McDiarmid et al. 1999.
Syntypes: MADUG HE 55, 356, USNM 24448, 26152 and 46508 [Crotalus Jimenezii] 
CommentVenomous!

Opinion 366 (ICZN, 1955, Opinions Decls. 11(16):231-244) validated the more generally used Cope name polystictus for this species and suppressed the older Jan name multimaculatus.

Nomenclature: Hoser’s 2009 classification and nomenclature has been rejected as unnecessary and unavailable by WÜSTER & BERNILS 2011. 
References
  • Bañuelos-Alamillo, Jorge A., Rubén Alonso Carbajal-Márquez and Miguel Angel Olvera-Rivera. 2016. Distribution Notes. Crotalus polystictus (Cope, 1865). Mesoamerican Herpetology 3 (1): 207 - get paper here
  • Beaman, K.R. & Hayes, W.K. 2008. Rattlesnakes: Research Trends and Annotated Checklist. In: Hayes et al. (eds), The biology of rattlesnakes. Loma Linda University Press, pp. 5-16
  • Calzada-Arciniega, Rafael Alejandro, Rafael Barzalobre Geronimo, Ernesto Recuero and Gabriela Parra-Olea. 2016. Crotalus polystictus (Mexican Lance-headed Rattlesnake) Diet. Herpetological Review 47 (2): 310
  • Campbell, J.A. & Lamar, W.W. 1989. The Venomous Reptiles of Latin America. Comstock Publishing/Cornell University Press, Ithaca
  • Carbajal-Márquez, Rubén Alonso and Gustavo E. Quintero-Díaz. 2016. Crotalus polystictus. Diet. Mesoamerican Herpetology 3 (3): 741–742
  • 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
  • Cope, E.D. 1866. Third contribution to the herpetology of tropical America. Proc. Acad. Nat. Sci. Philadelphia 17 [1865]: 185-198 - get paper here
  • Cope, E.D. 1885. Twelfth contribution to the herpetology of tropical America. Proc. Amer. Philos. Soc. 22: 167-194 [1884] - get paper here
  • Cruz-Sáenz, D., F. J. Muñoz-Nolasco, V. Mata-Silva, J. D. Johnson, E. García-Padilla, and L. D. Wilson. 2017. The herpetofauna of Jalisco, Mexico: composition, distribution, and conservation status. Mesoamerican Herpetology 4(1): 23–118 - get paper here
  • Dugès, A. 1877. Apuntes para la monografía de los crótalos de México. La Naturaleza, 4: 1–29 - get paper here
  • GUO, PENG; FEI ZHU, QIN LIU, LIANG ZHANG, JIAN X. LI, YU Y. HUANG & R. ALEXANDER PYRON 2014. A taxonomic revision of the Asian keelback snakes, genus Amphiesma (Serpentes: Colubridae: Natricinae), with description of a new species. Zootaxa 3873 (4): 425–440 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Hoser, R. 2009. A reclassification of the rattlesnakes; species formerly exclusively referred to the genera Crotalus and Sistrurus. Australasian J. Herpetol. 3: 1-21 - get paper here
  • Hoser, R. 2012. A classification of the rattlesnakes; species formerly exclusively referred to the genera Crotalus and Sistrurus and a division of the Elapid genus Micrurus. Australasian J. Herpetol. 11: 2-24 - get paper here
  • Jadin, Robert C.; Jacobo Reyes Velasco and Eric N. Smith 2010. Hemipenes of the long-tailed rattlesnakes (Serpentes: Viperidae) from Mexico. Phyllomedusa 9 (1): 69-74 - 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
  • 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. 2001. The herpetofauna of the Mexican State of Aguascalientes. Courier Forschungsinstitut Senckenberg 230: 1-57
  • McCranie, James R. 1976. Crotalus polystictus. Catalogue of American Amphibians and Reptiles (180): 1-2 - get paper here
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. Herpetologists’ League, 511 pp.
  • Meik, Jesse M and André Pires-daSilva 2009. Evolutionary morphology of the rattlesnake style. BMC Evolutionary Biology 2009, 9:35 - get paper here
  • Meik, Jesse M.; Jeffrey W. Streicher, Estrella Mociño-Deloya, Kirk Setser, and David Lazcano 2012. Shallow phylogeographic structure in the declining Mexican Lance-headed Rattlesnake, Crotalus polystictus (Serpentes: Viperidae). Phyllomedusa 11 (1): 3-12 - get paper here
  • Mociño-Deloya, Estrella and Kirk Setser. 2016. Crotalus polystictus (Mexican Lance-headed Rattlesnake) Diet. Herpetological Review 47 (2): 309
  • 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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