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Salvadora deserticola SCHMIDT, 1940

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesE: Big Bend Patchnose Snake
G: Wüsten-Pflasternasennatter 
SynonymSalvadora hexalepis deserticola SCHMIDT 1940
Salvadora hexalepis deserticola — BOGERT 1945
Salvadora hexalepis deserticola — ZWEIFEL & NORRIS 1955
Salvadora deserticola — BOGERT & DEGENHARDT 1961
Salvadora hexalepis deserticola — STEBBINS 1985: 185
Salvadora deserticola — TANNER 1985: 642
Salvadora deserticola — CONANT & COLLINS 1991: 193
Salvadora deserticola — LINER 1994
Salvadora hexalepis deserticola — CROTHER 2000
Salvadora deserticola — DIXON 2000
Salvadora deserticola — TENNANT & BARTLETT 2000: 306
Salvadora deserticola — TENNANT 2003: 192
Salvadora hexalepis deserticola — LINER 2007
Salvadora hexalepis deserticola — CROTHER et al. 2012
Salvadora deserticola — WALLACH et al. 2014: 660
Salvadora deserticola — HEIMES 2016: 146 
DistributionUSA (SE Arizona, SW New Mexico, W Texas),
Mexico (E Sonora, Chihuahua, Sinaloa)

Type locality: Texas, Brewster County, near Chisos Mountains, Government Spring. 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.
 
Reproductionoviparous 
TypesHolotype: FMNH 26615 
CommentSubspecies: Salvadora hexalepis deserticola has been elevated to valid species. Recognition of the species S. deserticola was made without justification by Bogert and Degenhardt (1961). Bogert (1945), describes characters justifying the distrinction and states that there are no intergrades.

Diagnosis: Allied to Salvadora hexalepis hexalepis in the separation of the posterior chin shields, enlargement of the rostral, nine upper labials, in having keeled supra-anal scales, and in pale grayish coloration; distinguished by the uniformly single loreal, lower ventral count, and the situation of the narrow lateral line on the fourth scale row instead of on the third and fourth [from SCHMIDT 1940]. 
References
  • Bogert, Charles M. 1945. Two additional races of the patch-nosed snake, Salvadora hexalepis. American Museum Novitates (1285): 1-14 - get paper here
  • Bogert, Charles M.; Degenhardt, William G. 1961. An addition to the fauna of the United States, the Chihuahua Ridge-nosed rattlesnake in New Mexico. American Museum Novitates (2064): 1-15 - get paper here
  • Conant,R. & Collins,J.T. 1991. A Field Guide to Reptiles and Amphibians of Eastern/Central North America, 3rd ed. Houghton Mifflin (Boston/New York), xx + 450 p.
  • Crother, B. I. (ed.) 2012. Standard Common and Current Scientific Names for North American Amphibians, Turtles, Reptiles, and Crocodilians, Seventh Edition. Herpetological Circular 39: 1-92
  • Dixon, James R. 2000. Amphibians and reptiles of Texas, second edition. Texas A&M University Press, 421 pp.
  • 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
  • Schmidt,K.P. 1940. Notes on Texan snakes of the genus Salvadora. Field Mus. Nat. Hist. Zool. Series 24 (12): 143-150 - get paper here
  • Stebbins,R.C. 1985. A Field Guide to Western Reptiles and Amphibians, 2nd ed. Houghton Mifflin, Boston
  • Tanner, Wilmer W. 1985. Snakes of Western Chihuahua. Great Basin Naturalist 45 (4): 615-676 - get paper here
  • Tennant, A. 2003. Snakes of North America - Eastern and Central Regions, revised edition. Lone Star Books, 605 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.
  • Zweifel,R.G. and Norris,K.S. 1955. Contributions to the herpetology of Sonora, Mexico:Descriptions of new subspecies of snakes (Micruroides euryxanthus and Lampropeltis getulus) and miscellaneous collecting notes. American Midland Naturalist 54: 230-249 - get paper here
 
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