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Crotalus transversus TAYLOR, 1944

IUCN Red List - Crotalus transversus - Least Concern, LC

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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Cross-banded Mountain Rattlesnake
S: Cascabel Bandeada de Montaña 
SynonymCrotalus transversus TAYLOR 1944
Crotalus transversus — KLAUBER 1952: 16
Crotalus transversus — LINER 1994
Crotalus transversus — MCDIARMID, CAMPBELL & TOURÉ 1999: 296
Crotalus transversus — BEAMAN & HAYES 2008
Aechmophrys (Cottonus) transversus — HOSER 2009
Crotalus transversus — WALLACH et al. 2014: 195 
DistributionMexico (Sierra Ajusco, south of Mexico City, Distrito Federal; NW Morelos)

Type locality: “about 55 km SW México [City], neaer Tres Marias (Tres Cumbres), Morelos, elevation about 10,000 feet”. Corrected to „Laguna Zempoala, state of México“ by DAVIS & SMITH (1953)  
TypesHolotype: FMNH 100129 

Nomenclature: Hoser’s 2009 classification and nomenclature has been rejected as unnecessary and unavailable by WÜSTER & BERNILS 2011.

Conservation: one of the 30 most endangered viper species (Maritz et al. 2016). 
  • Alvarado-Diaz, J. & Campbell, J.A. 2004. A new montane rattlesnake (Viperidae) from Michoacán, Mexico. Herpetologica 60 (2): 281-286 - 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
  • Bryson Jr, Robert W.; Robert W. Murphy,Matthew R. Graham, Amy Lathrop and David Lazcano 2011. Ephemeral Pleistocene woodlands connect the dots for highland rattlesnakes of the Crotalus intermedius group. Journal of Biogeography 38: - get paper here
  • Bryson, R.W. 2007. Fotopirsch auf Gebirgsklapperschlangen. Reptilia (Münster) 12 (66): 32-37 - get paper here
  • Bryson, R.W., Jr. & D. Lazcano 2004. A longevity record for the Mexican cross-banded mountain rattlesnake (Crotalus transversus) Bull. Maryland Herpetol. Soc., 40(4): 196-198. - get paper here
  • Camarillo, J.L.; Campbell, J.A. 1993. A 2nd Confirmed Population of the Rare Mexican Rattlesnake, Crotalus transversus (Serpentes, Viperidae). Texas Journal of Science 45 (2): 178-179 - get paper here
  • Campbell J A 1988. Crotalus transversus Taylor. Cross-banded mountain rattlesnake. Catalogue of American Amphibians and Reptiles ( 450: 1-3 - get paper here
  • Campbell, J.A. & Lamar, W.W. 1989. The Venomous Reptiles of Latin America. Comstock Publishing/Cornell University Press, Ithaca
  • 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
  • Centenero-Alcalá, E., U. O. García-Vázquez, A. A. Mendoza-Hernández, J. G. Zamora-Abrego and V. H. Jiménez-Arcos. 2010. Crotalus transversus. Geographic distribution. [Second record for Distrito Federal (now named Ciudad de México), and first record for Tlalpan delegation.] Herpetological review 41 (4): 515-516 - get paper here
  • Davis, William B.; Smith, Hobart M. 1953. Snakes of the Mexican state of Morelos. Herpetologica 8: 133-149 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Heimes, P. & Aguilar Cortés, R. 2004. Verbreitung und Typus-Fundort von Crotalus transversus TAYLOR 1944. Salamandra 40 (1): 91-96 - get paper here
  • 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
  • Klauber, Laurence M. 1952. Taxonomic studies on rattlesnakes of Mainland Mexico. Bulletins of the Zoological Society of San Diego (26): 1-143 - get paper here
  • Lemos-Espinal JA, Smith GR 2020. A conservation checklist of the herpetofauna of Morelos, with comparisons with adjoining states. ZooKeys 941: 121-144 - get paper here
  • 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
  • Maritz, Bryan; Johannes Penner, Marcio Martins, Jelka Crnobrnja-Isailović, Stephen Spear, Laura R.V. Alencar, Jesús Sigala-Rodriguez, Kevin Messenger, Rulon W. Clark, Pritpal Soorae, Luca Luiselli, Chris Jenkins, Harry W. Greene 2016. Identifying global priorities for the conservation of vipers. Biological Conservation, doi:10.1016/j.biocon.2016.05.004 - get paper here
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp.
  • Strimple, Pete 1995. Crotalus transversus Taylor 1944, the cross-banded mountain rattlesnake. Litteratura Serpentium 15 (2): 31-39
  • Strimple, Peter D. 1995. Mexico's cross-banded mountain rattlesnake. Reptile & Amphibian Magazine 1995 (May/June): 46-51
  • Taylor, Edward H. 1944. Two new species of Crotalid snakes from Mexico. Univ. Kansas Sci. Bull. 30 (4): 47-56 - get paper here
  • Ukuwela, K.D.B., de Silva, A., Sivaruban, A. et al. 2022. Diversity, distribution, and natural history of the marine snakes of Sri Lanka. Marine Biodiversity 52, 24 (2022) - 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.
  • 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 - get paper here
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