Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
   Opisthokonta Cavalier-Smith, 1987 - opisthokonts see Clade Opisthokonta Cavalier-Smith 1987, nom. cl. inval.
     Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
       Eumetazoa Bütschli, 1910 - eumetazoans
         Triploblastica see [unranked] Bilateria Hatschek, 1888
           Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
             Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
               Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans
                 Spiralia Schleip, 1929 - spiralians see Superphylum Spiralia Schleip, 1929
                   Trochozoa Beklemischev, 1944 - trochozoans
                     Phylum Mollusca Linnaeus, 1758 - molluscs
                       Eumollusca
                         Conchifera Gegenbaur, 1878 see Subphylum Conchifera Gegenbauer, 1878
                           Ganglioneura Rudophi, 1812
                             Ancyropoda see [unranked] Conchifera Gegenbaur, 1878
                               Class Bivalvia Linnaeus, 1758 - bivalves
                                 Subclass Metabranchia see Subclass Autobranchia Grobben, 1894
                                   Superorder Eulamellibranchia see Superorder Heteroconchia Gray, 1854
                                     Order Veneroida H. & A. Adams, 1856 see Order Venerida Gray, 1854
                                       01 Family Lasaeidae Gray, 1842
                                       02 Family Chamidae Lamarck, 1809 - jewel boxes
                                       03 Family Cardiidae Lamarck, 1809 - cockles
                                       04 Family Tridacnidae - giant clams see Subfamily Tridacninae Lamarck, 1819
                                       05 Family Mactridae Lamarck, 1809 - surf clams
                                       06 Family Solenidae Lamarck, 1809 - razor clams
                                       07 Family Tellinidae Blainville, 1814 - tellinids
                                       08 Family Semelidae Stoliczka, 1870 (1825) - semelids
                                       09 Family Vescomyidae
                                       10 Family Donacidae Fleming, 1828 - wedge shells
                                       11 Family Solecurtidae d'Orbigny, 1846 - razor clams
                                       12 Family Sphaeriidae Deshayes, 1855 (1820) - freshwater fingernail clams
                                       12.0 Family Pisidiidae Gray, 1857 see Family Sphaeriidae Deshayes, 1855 (1820)
                                       13 Family Dreissenidae Gray, 1840
                                       14 Family Veneridae Rafinesque, 1815 - venus clams
                                       15 Family Petricolidae d'Orbigny, 1840 - rock borers see Subfamily Petricolinae d'Orbigny, 1840
                                       16 Family Corbiculidae Gray, 1847 see Family Cyrenidae Gray, 1840