Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Protostomia (protostomes) Lophotrochozoa Trochozoa Mollusca (clams, snails, squids, and relatives) Class Gastropoda Order Neritopsina Family Neritidae Genus Nerita Genus Neritina Genus Puperita Genus Smaragdia Genus Theodoxus
