Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Protostomia (protostomes) Lophotrochozoa Trochozoa Mollusca (clams, snails, squids, and relatives) Class Bivalvia Order Ostreoida Family Dimyidae Genus Basiliomya Genus Dimya Genus Dimyarina Genus Dimyella