Article · Wikipedia archive · Last revised Jul 30, 2026

Pacifastacus

Pacifastacus is a genus of crayfish native to western North America, containing six species, two of which are extinct:†Pacifastacus chenoderma Pacifastacus connectens Pacifastacus fortis – Shasta crayfish Pacifastacus gambelii Pacifastacus leniusculus – signal crayfish †Pacifastacus nigrescens – Sooty crayfish

Last revised
Jul 30, 2026
Read time
≈ 1 min
Length
106 w
Citations
1
Source
Pacifastacus
Pacifastacus leniusculus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: Pancrustacea
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Family: Astacidae
Genus: Pacifastacus
Bott, 1950
Type species
Astacus Klamathensis
Stimpson, 1857

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

References

References

  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.