Pacifastacus
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| Pacifastacus leniusculus | |
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| Pacifastacus leniusculus | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Crustacea |
| Class: | Malacostraca |
| Order: | Decapoda |
| Infraorder: | Astacidea |
| Family: | Astacidae |
| Genus: | Pacifastacus Bott, 1950 |
| Type species | |
| Astacus Klamathensis Stimpson, 1857 |
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Pacifastacus is a genus of crayfish native to western North America, containing the following six species (DD = Data Deficient; CR = Critically Endangered; LC = Least Concern; EX = Extinct):[1][2]
- Pacifastacus chenoderma (fossil: Miocene – Pliocene)
- Pacifastacus connectens
- Pacifastacus fortis
– shasta crayfish - Pacifastacus gambelii
- Pacifastacus leniusculus – signal crayfish
- Pacifastacus nigrescens
[edit] References
- ^ James W. Fetzner, Jr. (January 14, 2008). "Genus Pacifastacus Bott, 1950". Crayfish Taxon Browser. Carnegie Museum of Natural History. http://iz.carnegiemnh.org/crayfish/NewAstacidea/genus.asp?g=Pacifastacus. Retrieved May 26, 2010.
- ^ "Search". IUCN Red List. International Union for Conservation of Nature. http://www.iucnredlist.org/apps/redlist/search. Retrieved October 9, 2010.
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