Aporrhaidae
Colombellinidae
Pugnellidae
Seraphidae
Strombidae
Struthiolariidae
Thersiteidae
Zitteliidae Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Subregnum Parazoa Porifera (sponges) Subregnum Agnotozoa Placozoa (trichoplax) Orthonectida (orthonectids) Rhombozoa (dicyemids) Subregnum Eumetazoa Radiata (unranked) (radial symmetry) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anemones) Bilateria (unranked) (bilateral symmetry) Acoelomorpha (basal) Myxozoa (slime animals) Superphylum Deuterostomia (blastopore becomes anus) Chordata (vertebrates, etc. ... Classes Caudofoveata Aplacophora Polyplacophora Monoplacophora Bivalvia Scaphopoda Gastropoda Cephalopoda † Rostroconchia † Helcionelloida The mollusks American spelling) or molluscs (British spelling) are the large and diverse phylum Mollusca, which includes a variety of familiar animals well-known for their decorative shells or as seafood. ... Subclasses Eogastropoda (True Limpets and relatives) Orthogastropoda The gastropods, gasteropods, or univalves, are the largest and most successful class of mollusks, with 60,000-75,000 known living species comprising the snails and slugs as well as a vast number of marine and freshwater species. ... Infraclasses Apogastropoda Cocculiniformia Murchisoniina Neritopsina Vetigastropoda In their work, which has become a standard reference in the field, Ponder and Lindberg (1997) showed that the Orthogastropoda is one of two subclasses of the Gastropoda the class of molluscs, the other subclass being the Eogastropoda. ... Caenogastropoda Categories: Animal stubs ... Suborders Discopoda Murchisoniina Hypsogastropoda Sorbeoconcha is an order within the gastropod superorder Caenogastropoda. ... Hypsogastropoda is a suborder within the gastropod order Sorbeoconcha. ... Superfamilies Calyptraeoidea Calyptraeidae Capuloidea Cypraeoidea Littorinoidea Naticoidea Rissooidea Stromboidea Tonnoidea Vanikoroidea Vermetoidea Xenophoroidea Littorinimorpha is an important taxonomic infraorder of snails that includes the genus oncomelania. ... Genera See text Strombidea is a family of gastropod comprising the following genera: Lambis Röding, 1798 (nine known living species), Strombus Linné, 1758 (55 known living species), Terebellum Lamarck, 1799 (one known living species), Tibia Röding, 1798 (six known living species), and Varicospira Eames, 1952 (three known living...