Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Taxonomy
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Genus Callinectes

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 Brachyura - True Crabs
Family Portunidae - Swimming Crabs
Genus Callinectes

Species ornatus - Callinectes ornatus
Species sapidus - Atlantic Blue Crab