Pacifastacus is a genus of crayfish native to western North America (USA and Canada), containing six species, two of which are extinct:[1]

Pacifastacus
Pacifastacus leniusculus
Scientific classification Edit this 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
  1. ^ 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.