Pacifastacus is a genus of crayfish native to western North America (USA and Canada), containing six species, two of which are extinct:[1]
- †Pacifastacus chenoderma (fossil: Miocene – Pliocene)
- Pacifastacus connectens
- Pacifastacus fortis – Shasta crayfish
- Pacifastacus gambelii
- Pacifastacus leniusculus – signal crayfish
- †Pacifastacus nigrescens – Sooty crayfish
| Pacifastacus | |
|---|---|
| |
| Pacifastacus leniusculus | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Family: | Astacidae |
| Genus: | Pacifastacus Bott, 1950 |
| Type species | |
| Astacus Klamathensis Stimpson, 1857
| |
References
edit- ^ James W. Fetzner Jr. (January 14, 2008). "Genus Pacifastacus Bott, 1950". Crayfish Taxon Browser. Carnegie Museum of Natural History. Archived from the original on June 11, 2011. Retrieved May 26, 2010.
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