Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Arthropods (Arthropoda)
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Crustaceans (Crustacea)
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Malacostracans (Malacostraca)
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Eucarida (Crabs, Crayfish, Shrimp, etc.) (Eucarida)
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Crabs, Crayfishes, Lobsters, Prawns, and Shrimp (Decapoda)
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True Crabs (Brachyura)
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Sesarmidae
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Armases
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Squareback Marsh Crab (Armases cinereum)
Species
Armases cinereum
- Squareback Marsh Crab
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
Sesarmidae
Genus
Armases
Species
cinereum
- Squareback Marsh Crab
Nothing below this species