Anomiidae Rafinesque, 1815 (additional source)
Anomioidea Rafinesque, 1815 (additional source)
Aphrodite columba I. Lea, 1834 accepted as Cardium groenlandicum Mohr, 1786 accepted as Serripes groenlandicus (Mohr, 1786) (source of synonymy)
Arvella Scarlato, 1960 (basis of record)
Astartinae d'Orbigny, 1844 (1840) (basis of record)
Axinopsida Keen & Chavan, 1951 (basis of record)
Axinopsis G. O. Sars, 1878 accepted as Axinopsida Keen & Chavan, 1951 (source of synonymy)
Axinulus A. E. Verrill & K. J. Bush, 1898 (basis of record)
Axinulus croulinensis (Jeffreys, 1847) (basis of record)
Barnea Risso, 1826 (additional source)
Barnea (Anchomasa) Leach, 1852 represented as Barnea Risso, 1826 (additional source)
Calyptogena Dall, 1891 (basis of record)
Ciliatocardium Kafanov, 1974 (additional source)
Clinocardium Keen, 1936 (additional source)
Crassostrea gigas (Thunberg, 1793) accepted as Magallana gigas (Thunberg, 1793) (basis of record)
Crenellinae J. E. Gray, 1840 (additional source)
Cyrtodaria kurriana Dunker, 1861 (additional source)
Dacrydium Torell, 1859 (basis of record)
Delectopecten R. B. Stewart, 1930 (additional source)
Diplodonta Bronn, 1831 (additional source)
Gari (Gobraeus) T. Brown, 1844 represented as Gari Schumacher, 1817 (additional source)
Hiatellidae J. E. Gray, 1824 (additional source)
Kelliidae Forbes & Hanley, 1848 accepted as Lasaeidae J. E. Gray, 1842 (basis of record)
Laternula Röding, 1798 (additional source)
Leionucula W. Quenstedt, 1930 † (additional source)
Limatula S. V. Wood, 1839 (additional source)
Limopsoidea Dall, 1895 (additional source)
Liocyma fluctuosa (A. A. Gould, 1841) (additional source)
Lyonsiidae P. Fischer, 1887 (additional source)
Macoma loveni (A. S. Jensen, 1905) (additional source)
Macoma moesta (Deshayes, 1855) (additional source)
Macoma torelli (A. S. Jensen, 1905) (additional source)
Mactra radiata Donovan, 1803 accepted as Serripes groenlandicus (Mohr, 1786) (source of synonymy)
Mactrinae Lamarck, 1809 (basis of record)
Malletia Des Moulins, 1832 (additional source)
Malletia obtusata [sic] accepted as Malletia obtusa (G. O. Sars, 1872) accepted as Malletia pianii (van Aartsen & Giannuzzi-Savelli, 1991) (basis of record)
Megayoldia A. E. Verrill & K. J. Bush, 1897 (source of synonymy)
Mercenaria Schumacher, 1817 (additional source)
Modiolinae G. Termier & H. Termier, 1950 (additional source)
Montacuta W. Turton, 1822 (additional source)
Montacuta dawsoni Jeffreys, 1864 accepted as Altenaeum dawsoni (Jeffreys, 1864) (additional source)
Montacuta spitzbergensis Knipowitsch, 1901 (basis of record)
Musculinae Iredale, 1939 accepted as Mytilinae Rafinesque, 1815 (basis of record)
Musculista G. Yamamoto & T. Habe, 1958 accepted as Arcuatula Jousseaume, 1919 (additional source)
Musculus Röding, 1798 (additional source)
Musculus corrugatus (W. Stimpson, 1851) accepted as Musculus glacialis (Leche, 1883) (basis of record)
Musculus discors (Linnaeus, 1767) (additional source)
Musculus filatovae Scarlato, 1955 accepted as Musculus discors (Linnaeus, 1767) (additional source)
Musculus laevigatus (J. E. Gray, 1824) accepted as Musculus discors (Linnaeus, 1767) (additional source)
Musculus niger (J. E. Gray, 1824) (additional source)
Mysella Angas, 1877 (additional source)
Mysella planata (Dall, 1885) (additional source)
Neilonella Dall, 1881 (basis of record)
Nicania Leach, 1819 accepted as Tridonta Schumacher, 1817 (additional source)
Palliolinae Korobkov, 1960 (additional source)
Pandoridae Rafinesque, 1815 (additional source)
Pandoroidea Rafinesque, 1815 (additional source)
Panomya M. E. Gray, 1857 (additional source)
Panomya arctica (Lamarck, 1818) accepted as Panomya norvegica (L. Spengler, 1793) (additional source)
Panopea Ménard de la Groye, 1807 (additional source)
Pectinidae Rafinesque, 1815 (basis of record)
Pectininae Rafinesque, 1815 (basis of record)
Periploma Schumacher, 1817 (basis of record)
Periplomatidae Dall, 1895 (additional source)
Peronidia Dall, 1900 (additional source)
Pholadinae Lamarck, 1809 (basis of record)
Pododesmus R. A. Philippi, 1837 (additional source)
Portlandia aestuariorum (Mosevich, 1928) (additional source)
Potamocorbula T. Habe, 1955 (basis of record)
Propeamussiidae Abbott, 1954 (basis of record)
Pseudopythina P. Fischer, 1878 (additional source)
Ruditapes Chiamenti, 1900 (additional source)
Septifer Récluz, 1848 (basis of record)
Siliqua Megerle von Mühlfeld, 1811 (additional source)
Tapes japonica Deshayes, 1853 accepted as Ruditapes philippinarum (A. Adams & Reeve, 1850) (source of synonymy)
Tellina inconspicua Broderip & G. B. Sowerby I, 1829 accepted as Limecola balthica (Linnaeus, 1758) accepted as Macoma balthica (Linnaeus, 1758) (source of synonymy)
Tellina lata Gmelin, 1791 accepted as Macoma calcarea (Gmelin, 1791) (source of synonymy)
Tellina solidula Pulteney, 1799 accepted as Macoma balthica (Linnaeus, 1758) (source of synonymy)
Thraciidae Stoliczka, 1870 (1839) (additional source)
Thracioidea Stoliczka, 1870 (1839) (additional source)
Thyasira gouldii (R. A. Philippi, 1845) (additional source)
Trapezium Megerle von Mühlfeld, 1811 (additional source)
Tridonta Schumacher, 1817 (additional source)
Tridonta borealis Schumacher, 1817 (additional source)
Turtonia Alder, 1848 (additional source)
Turtoniidae W. Clark, 1855 accepted as Turtoniinae W. Clark, 1855 (additional source)
Ungulinidae J. E. Gray, 1854 (additional source)
Venus astartoides H. Beck, 1849 accepted as Liocyma fluctuosa (A. A. Gould, 1841) (source of synonymy)
Yoldiella A. E. Verrill & K. J. Bush, 1897 (basis of record)
Yoldiella fraterna A. E. Verrill & K. J. Bush, 1898 accepted as Yoldiella nana (M. Sars, 1865) (additional source)
Yoldiella intermedia (M. Sars, 1865) (additional source)
Yoldiella lenticula (Møller, 1842) (additional source)
Yoldiinae Dall, 1908 (basis of record)
Zirfaea J. E. Gray, 1842 (additional source)