New York Natural Heritage Program
Dwarf Wedgemussel
Alasmidonta heterodon (I. Lea, 1830)
Bivalves
Kingdom: Animalia

      Phylum: Mollusks (Mollusca)

           Class: Bivalves (Bivalvia)

                Order: Freshwater Mussels (Unionoida)

                     Family: Unionid Mussels (Unionidae)