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Sonora savagei CLIFF, 1954

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Savage's Sand Snake
S: Arenera de Isla Cerralvo 
SynonymChilomeniscus savagei CLIFF 1954
Chilomeniscus savagei — BANTA & LEVITON 1963: 322
Chilomeniscus savagei — LINER 1994
Chilomeniscus savagei — GRISMER et al. 2002: 27
Chilomeniscus savagei — LINER 2007
Chilomeniscus savagei — WALLACH et al. 2014: 159
Sonora (Chilomeniscus) savagei — COX et al. 2018: 973 
DistributionMexico (Baja California: Cerralvo Island)

Type locality: ‘south-west coast of Cerralvo Island’ Baja California Sur, Mexico.  
Reproductionoviparous 
TypesHolotype: CAS-SUR 14034 
DiagnosisDiagnosis: Sonora savagei can be distinguished from all other Sonora except for S. fasciata, S. cincta, S. stramineus and S. punctatissiumus by the presence of an elongated rostrum. Sonora savagei can be distinguished from S. fasciata, S. cincta, S. stramineus, and S. punctatissiumus by the lack of dark spots in pale bands, broad contact of the internasals with the frontal scale (Holm 2008), separated and reduced prefrontal scales, an enlarged frontal scale, and (Grismer et al. 2002). Sonora savagei is the only member of the genus Sonora on Isla Ceralvo (Cox et al. 2018: 973).

Color pattern: Sonora savagei possesses dark bands on a light background. 
Comment 
EtymologyNamed after J. M. Savage (born 1928), American herpetologist. See Donnelly 2013 for biographical details. 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Cliff, Frank S. 1954. Snakes of the islands in the Gulf of California, Mexico. Transactions of the San Diego Society of Natural History 12 (5): 67-98 - get paper here
  • Cox, Christian L.; Alison R. Davis Rabosky, Iris A. Holmes, Jacobo Reyes-Velasco, Corey E. Roelke, Eric N. Smith, Oscar Flores-Villela, Jimmy A. McGuire & Jonathan A. Campbell 2018. Synopsis and taxonomic revision of three genera in the snake tribe Sonorini. Journal of Natural History 52: 945-988 - get paper here
  • Donnelly, Maureen A. D 2013. Jay M. Savage. Copeia Dec 2013, Vol. 2013, No. 4: 757-767. - get paper here
  • GRISMER, L. L., H. WONG & P. GALINA-TESSARO 2002. Geographic variation and taxonomy of the Sand Snakes, Chilomeniscus (Squamata: Colubridae). Herpetologica 58 (1): 18-31 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Liner, Ernest A. 2007. A CHECKLIST OF THE AMPHIBIANS AND REPTILES OF MEXICO. Louisiana State University Occasional Papers of the Museum of Natural Science 80: 1-60 - 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.
 
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