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Chionactis palarostris (KLAUBER, 1937)

IUCN Red List - Chionactis palarostris - Least Concern, LC

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
SubspeciesChionactis palarostris organica KLAUBER 1951
Chionactis palarostris palarostris (KLAUBER 1937) 
Common NamesE: Sonoran Shovelnose Snake
organica: Organ Pipe Shovelnose Snake
G: Sonora-Schaufelnasenschlange 
SynonymSonora palarostris KLAUBER 1937
Chionactis occipitalis palarostris — SMITH & TAYLOR 1950: 344
Chionactis palarostris — STEBBINS 1985: 214
Chionactis palarostris — LINER 1994
Chionactis palarostris — CROTHER et al. 2012
Chionactis palarostris — WALLACH et al. 2014: 160

Chionactis palarostris organica KLAUBER, 1951: 178
Chionactis palarostris organica — CROTHER 2000: 58
Chionactis palarostris organica — CROTHER et al. 2012 
DistributionUSA (S Arizona),
Mexico (Sonora)


organica: USA (Arizona); Type locality: on the Sonoyta-Ajo road, 9 miles north of the US-Mexican border, in the Organ Pipe Cctus NAtional Monument, Pima Conty, ARizona.

Type locality: “5 miles south of Magdalena, Sonora, Mexico”  
TypesHolotype: SDSNH 26771.
Holotype: SDSNH 40673 [organica] 
  • 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
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Klauber, Laurence M. 1937. A new snake of the genus Sonora from Mexico. Transactions of the San Diego Society of Natural History 8 (27): 363-366 - get paper here
  • Klauber, Laurence M. 1951. The shovel-nosed snake, Chionactis with descriptions of two new subspecies. Transactions of the San Diego Society of Natural History 11 (9): 141-204 - get paper here
  • Kunz, Kriton 2015. Schlangen, die Wirbellose fressen Terraria-Elaphe 2015 (5): 14-20 - get paper here
  • Mahrdt, Clark R., Kent R. Beaman, Philip C. Rosen and Peter A. Holm 2001. Chionactis Cope Shovel-nosed Snakes. Catalogue of American Amphibians and Reptiles (730): 1-6 - get paper here
  • Mahrdt, Clark R., Kent R. Beaman, Philip C. Rosen and Peter A. Holm 2001. Chionactis palarostris (Klauber) Sonoran Shovel-nosed Snake. Catalogue of American Amphibians and Reptiles (732): 1-5 - get paper here
  • Nevárez-de los Reyes; Manuel, David Lazcano, Javier Banda-Leal and Ian Recchio 2014. Notes on Mexican Herpetofauna 22: Herpetofauna of the Continental Portion of theMunicipality of Hermosillo, Sonora, Mexico. Bull. Chicago Herp. Soc. 49(8):105-115 - get paper here
  • O’Shea, M. 2018. The Book of Snakes. Ivy Press / Quarto Publishing, London, - get paper here
  • Pregill, Gregory K.;Berrian, James E. 1984. Type specimens of amphibians and reptiles in the San Diego Natural History Museum. Transactions of the San Diego Society of Natural History 20 (10): 151-164 - get paper here
  • Stebbins,R.C. 1985. A Field Guide to Western Reptiles and Amphibians, 2nd ed. Houghton Mifflin, Boston
  • 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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