Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Protostomia (protostomes) Lophotrochozoa Trochozoa Mollusca (clams, snails, squids, and relatives) Class Bivalvia Order Veneroida Superfamily Veneroidea Family Veneridae Genus Tivela Species Tivela mactroides (trigonal tivela)
