Anomiidae Rafinesque, 1815 (additional source)
Anomioidea Rafinesque, 1815 (additional source)
Astartinae A. d'Orbigny, 1844 (1840) (basis of record)
Axinopsida Keen & Chavan, 1951 (basis of record)
Axinulus A. E. Verrill & K. J. Bush, 1898 (basis of record)
Axinulus croulinensis (Jeffreys, 1847) (basis of record)
Bankiinae R. D. Turner, 1966 (basis of record)
Barnea Risso, 1826 (additional source)
Barnea (Anchomasa) Leach, 1852 represented as Barnea Risso, 1826 (additional source)
Cardiomya A. Adams, 1864 (additional source)
Cetoconchidae Ridewood, 1903 (basis of record)
Chioninae Frizzell, 1936 accepted as Venerinae Rafinesque, 1815 (additional source)
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)
Cryptomya Conrad, 1849 (basis of record)
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)
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)
Mactrinae Lamarck, 1809 (basis of record)
Malletia Des Moulins, 1832 (additional source)
Martesiinae U. S. Grant & Gale, 1931 (basis of record)
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)
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 laevigatus (J. E. Gray, 1824) accepted as Musculus discors (Linnaeus, 1767) (additional source)
Musculus niger (J. E. Gray, 1824) (additional source)
Mya (Arenomya) Winckworth, 1930 accepted as Mya Linnaeus, 1758 (basis of record)
Mysella Angas, 1877 (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)
Pectinidae Rafinesque, 1815 (basis of record)
Pectininae Rafinesque, 1815 (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)
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)
Thraciidae Stoliczka, 1870 (1839) (additional source)
Thracioidea Stoliczka, 1870 (1839) (additional source)
Thyasira gouldii (R. A. Philippi, 1845) (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)
Yoldiella A. E. Verrill & K. J. Bush, 1897 (basis of record)
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)