Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Protostomia (protostomes) Lophotrochozoa Trochozoa Mollusca (clams, snails, squids, and relatives) Class Gastropoda Order Nudibranchia Family Dorididae Genus Doridium Genus Doris Genus Siraius
