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Crotalus lorenzoensis RADCLIFF & MASLIN, 1975

IUCN Red List - Crotalus lorenzoensis - Least Concern, LC

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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Red Diamond Rattlesnake (exsul: Cedros Island Rattlesnake; lorenzoensis: San Lorenzo Island Rattlesnake; lucasensis: San Lucan Rattlesnake; ruber: Red Diamond Rattlesnake; monserratensis: Red Rattlesnake)
G: Rote Diamant-Klapperschlange
S: Cascabel de San Lorenzo 
SynonymCrotalus ruber lorenzoensis RADCLIFF & MASLIN 1975
Crotalus ruber lorenzoensis — LINER 1994
Crotalus lorenzoensis — GRISMER 1999
Crotalus ruber lorenzoensis — BEAMAN & HAYES 2008
Hoserea (Mullinsus) lorenzoensis — HOSER 2009
Crotalus lorenzoensis — HEIMES 2016
Crotalus lorenzoensis — JOHNSON et al. 2017 
DistributionMexico (Baja California: endemic to Isla San Lorenzo, Isla Cedros.

Type locality: Isla San Lorenzo  
Reproductionovovivparous. Crotalus ruber has been hybridized with C. atrox (SCHMIDT 2004). 
TypesHolotype: SDNHM = SDSNH 46009; paratypes SDNHM = SDSNH 6605, 45052, 45053 

Subspecies: GRISMER (1999) suggested to elevate Crotalus ruber lorenzoensis to full species status based on an evolutionary species concept. 
EtymologyNamed after the type locality. 
  • 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
  • GARCÍA-PADILLA, ELI; JORGE H. VALDEZ VILLAVICENCIO, ANNY PERALTA GARCÍA 2018. Las Serpientes de Cascabel más allá del continente. Especies - get paper here
  • Grismer, L. Lee. 1999. An evolutionary classification of reptiles on islands in the Gulf of California, México. Herpetologica 55 (4): 446-469 - 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
  • Johnson, J. D., L. D. Wilson, V. Mata-Silva, E. García-Padilla, and D. L. DeSantis. 2017. The endemic herpetofauna of Mexico: organisms of global significance in severe peril. Mesoamerican Herpetology 4(3): 544–620 - get paper here
  • Liner, E.A. 1994. Scientific and common names for the Amphibians and Reptiles of Mexico in English and Spanish. Herpetological Circular 23: 1-113
  • Radcliffe, C. W.; Maslin, T. Paul 1975. A new subspecies of the red rattlesnake, Crotalus ruber, from San Lorenzo Sur Island, Baja California Norte, Mexico. Copeia 1975 (3): 490-493 - 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
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