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Infraorder Astacidea - Crayfishes and Lobsters

Crayfish - Orconectes limosus Crayfish 2 - Cambarus - female crawfish sp. - Orconectes virilis - male Cambaridae - Procambarus clarkii Crayfish #1 Cambarus bartonii? Cambarus diogenes - Devil Crayfish - Cambarus diogenes A Crayfish I Can't Identify
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Class Malacostraca (Malacostracans)
Superorder Eucarida (Eucarida (Crabs, Crayfish, Shrimp, etc.))
Order Decapoda (Crabs, Crayfishes, Lobsters, Prawns, and Shrimp)
Infraorder Astacidea (Crayfishes and Lobsters)
Numbers
freshwater crayfish: worldwide ~670 spp. in 5 families grouped in 2 superfamilies(1)