squareback marsh crab
- kingdom: Animalia
- phylum: Arthropoda
- class: Malacostraca
- order: Decapoda
- family: Sesarmidae
- genus: Armases
- species: Armases cinereum
Jacksonville- Palm Beach
- South Highpoint
Florida- Dock Junction
Georgia- Beaufort
- Morehead City
North Carolina- Port Aransas
Texas
United States