Global InformationSistrurus tergeminus edwardsii information
| Desert massasauga | |
|---|---|
| |
Conservation status
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 Vulnerable (NatureServe)[1] | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Viperidae |
| Genus: | Sistrurus |
| Species: | S. tergeminus
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| Subspecies: | S. t. edwardsii
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| Trinomial name | |
| Sistrurus tergeminus edwardsii (Baird & Girard, 1853)
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| Synonyms[2] | |
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Sistrurus tergeminus edwardsii, also known as the desert massasauga, is a subspecies of venomous pit viper[3] in the family Viperidae. The subspecies is endemic to the Southwestern United States and northern Mexico. In places, its range overlaps that of S. t. tergeminus, and intergrading of the two subspecies is known.
- ^ Cite error: The named reference
TNCwas invoked but never defined (see the help page). - ^ McDiarmid RW, Campbell JA, Touré TA (1999). Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
- ^ "Sistrurus catenatus edwardsii ". Integrated Taxonomic Information System. Retrieved 31 January 2007.