Diplodonta punctata is a small clam that reaches only about 19 mm (3/4 inch). The Atlantic Diplodon belongs to the relatively small bivalve family Ungulinidae. Its shell is inflated (“swollen”), with a sculpture of fine growth lines and hinge with very small teeth. The species is found in the Gulf of Mexico and from North Carolina through the Caribbean Sea south Venezuela, and in Bermuda. Illustration created in December 2020 by James F. Kelly for the Museum’s Digital Imaging Project.
