Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Protostomia (protostomes) Lophotrochozoa Trochozoa Mollusca (clams, snails, squids, and relatives) Class Bivalvia Order Veneroida Superfamily Galeommatoidea Family Lasaeidae Genus Erycina Species Erycina balliana (ball erycina)