New York Natural Heritage Program
Black Sandshell
Ligumia recta (Lamarck, 1819)
Bivalves
Kingdom: Animalia

      Phylum: Mollusks (Mollusca)

           Class: Bivalves (Bivalvia)

                Order: Freshwater Mussels (Unionoida)

                     Family: Unionid Mussels (Unionidae)