Cardiidae Lamarck, 1809 (status source)
Cardium boreale Reeve, 1845 accepted as Cardium groenlandicum Mohr, 1786 accepted as Serripes (Serripes) groenlandicus (Mohr, 1786) (basis of record)
Cardium crenulatum Lamarck, 1819 accepted as Cerastoderma edule (Linnaeus, 1758) (basis of record)
Cardium edentulum Montagu, 1808 accepted as Cardium groenlandicum Mohr, 1786 accepted as Serripes (Serripes) groenlandicus (Mohr, 1786) (basis of record)
Cardium exiguum Gmelin, 1791 accepted as Parvicardium exiguum (Gmelin, 1791) (basis of record)
Cardium exiguum var. commutata Bucquoy, Dautzenberg & Dollfus, 1892 accepted as Parvicardium exiguum (Gmelin, 1791) (basis of record)
Cardium fragile Forsskål, 1775 accepted as Fulvia fragilis (Forsskål, 1775) (basis of record)
Cardium glaucum marsi F. Nordsieck, 1969 accepted as Cardium glaucum Bruguière, 1789 accepted as Cerastoderma glaucum (Bruguière, 1789) (basis of record)
Cardium islandicum Bruguière, 1789 accepted as Cardium ciliatum O. Fabricius, 1780 accepted as Ciliatocardium ciliatum (O. Fabricius, 1780) (basis of record)
Cardium isthmicum Issel, 1869 accepted as Cerastoderma glaucum (Bruguière, 1789) (basis of record)
Cardium lamarckii Reeve, 1845 accepted as Cerastoderma lamarcki (Reeve, 1845) accepted as Cerastoderma glaucum (Bruguière, 1789) (basis of record)
Cardium obsoletum Spengler, 1799 accepted as Laevicardium oblongum (Gmelin, 1791) (basis of record)
Cardium obtritum Locard, 1886 accepted as Cerastoderma edule (Linnaeus, 1758) (basis of record)
Cardium pygmaeum Donovan, 1800 accepted as Parvicardium exiguum (Gmelin, 1791) (basis of record)
Cardium striatum Spengler, 1799 accepted as Cardium australe G. B. Sowerby II, 1834 accepted as Fulvia australis (G. B. Sowerby II, 1834) (basis of record)
Cardium sulcatum Lamarck, 1819 accepted as Laevicardium oblongum (Gmelin, 1791) (basis of record)
Cardium tuberculatum Linnaeus, 1758 accepted as Acanthocardia tuberculata (Linnaeus, 1758) (basis of record)
Cerastoderma nunninkae Lucas, 1984 accepted as Cerastoderma edule (Linnaeus, 1758) (source of synonymy)
Cochlea Martyn, 1786 accepted as Vasticardium Iredale, 1927 (basis of record)
Didacna parallela [sic] accepted as Didacna parallella Bogachev, 1932 (basis of record)
Fulvia J. E. Gray, 1853 (basis of record)
Fulvia (Fulvia) J. E. Gray, 1853 accepted as Fulvia J. E. Gray, 1853 (basis of record)
Fulvia (Fulvia) australis (G. B. Sowerby II, 1834) accepted as Fulvia australis (G. B. Sowerby II, 1834) (basis of record)
Laevicardium Swainson, 1840 (basis of record)
Lymnocardiinae Stoliczka, 1870 (basis of record)
Parvicardium Monterosato, 1884 (additional source)
Plagiocardium Cossmann, 1886 † (status source)
Serripes (Serripes) groenlandicus groenlandicus (Mohr, 1786) accepted as Serripes (Serripes) groenlandicus (Mohr, 1786) (additional source)