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Structured Inquiry Search — preview

• Home
• Kingdom Animalia
• Class Malacostraca
• Order Decapoda
• Superfamily Astacoidea
• Family Astacidae
• Genus Pacifastacus

• Classification

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• 
  Kingdom Animalia (animals)
  • 
    Eumetazoa (metazoans)
    • 
      Bilateria (bilaterally symmetrical animals)
      • 
        Protostomia (protostomes)
        • 
          Ecdysozoa
          • 
            Arthropoda
            • 
              Class Malacostraca
              • 
                Order Decapoda
                • 
                  Superfamily Astacoidea
                  • 
                    Family Astacidae (crayfishes)
                    • 
                      Genus Pacifastacus
                      • 
                        Species Pacifastacus chenoderma
                      • 
                        Species Pacifastacus connectens
                      • 
                        Species Pacifastacus fortis (Shasta crayfish)
                      • 
                        Species Pacifastacus gambelii
                      • 
                        Species Pacifastacus leniusculus (signal crayfish)
                      • 
                        Species Pacifastacus nigrescens (sooty crayfish)

Confused by a class within a class or an order within an order? Please see our brief essay.

Scientific names for Aves taxonomy (family and below) are from The Howard and Moore Complete Checklist of the Birds of the World, Princeton University Press, copyright 2003. Used by permission.

To cite this page: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2012. The Animal Diversity Web (online). Accessed at http://animaldiversity.org.

Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students. ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control.

Sponsored in part by the Interagency Education Research Initiative,
the Homeland Foundation and the University of Michigan Museum of Zoology.
This material is based upon work supported by the National Science Foundation under Grants DUE-0633095 and DRL-0628151.
The ADW Team gratefully acknowledges their support. Report Error — Comment
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