Crotalus ruber lucasensis

Crotalus ruber lucasensis is a venomous pitviper subspecies[4] found in Mexico in the Cape region of lower Baja California.

Crotalus ruber lucasensis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Crotalus
Species:
C. ruber
Subspecies:
C. r. lucasensis
Trinomial name
Crotalus ruber lucasensis
Synonyms
  • Crotalus lucasensis
    Van Denburgh, 1920
  • Crotalus atrox lucasensis
    – Schmidt, 1922
  • Crotalus ruber lucasensis
    – Klauber, 1949
  • Crotalus exsul lucasensis
    – Grismer, McGuire & Hollingsworth, 1994
  • Crotalus ruber lucasensis
    – Mattison, 2007[1][2]
Common names: San Lucan diamond rattlesnake.[3]

Description

Similarly to C. r. ruber, adult specimens commonly exceed 100 centimetres (39 in) in length. Both of these subspecies can be identified by having prenasals that are usually in contact with the first pair of supralabials, an absence of interchinshields, and by having tail rings that are either complete, or broken at the midline, but usually not laterally.[5]:579 However, this subspecies in particular exhibits a tendency for rattle loss.[5]:491

Geographic range

Found in Mexico in the cape region of lower Baja California. The type locality given is "Agua Caliente, Cape Region of Lower [Baja] California, Mexico."[1]

References
  1. McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  2. The Reptile Database. www.reptile-database.org.
  3. Klauber LM. 1997. Rattlesnakes: Their Habitats, Life Histories, and Influence on Mankind. Second Edition. 2 volumes. Reprint, University of California Press, Berkeley. ISBN 0-520-21056-5.
  4. "Crotalus ruber lucasensis". Integrated Taxonomic Information System. Retrieved 17 December 2008.
  5. Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. 2 volumes. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. ISBN 0-8014-4141-2.

Further reading
  • Van Denburgh, J. 1920. Description of a New Species of Rattlesnake (Crotalus lucasensis) from Lower California. Proc. California Acad. Sci., 4th series, vol. 10, pp. 29–30.


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