northern hemisphere crayfishes

superfamily Astacoidea

Member of decapods (order Decapoda)
malacostracans (class Malacostraca)
typical crustaceans (superclass Multicrustacea)
crustaceans (subphylum Crustacea)
arthropods (phylum Arthropoda)
animals (kingdom Animalia)

There are other wild members of this superfamily not yet included in this guide.

“A white oval patch at the joint of the fingers of the claw distinguishes this species.” [source]

2 observed taxons / 1 key

Chris’s observations: 4 (all are research grade)

Locations:

Months:

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Bay Area species: iNaturalist