Carditidae Fleming, 1828
Cyclocardia abesinaiensis
Cyclocardia akagii
Cyclocardia analis (Philippi, 1846)
Cyclocardia armilla (Dall, 1903)
Cyclocardia astartoides (Martens, 1878)
Cyclocardia bailyi (J. Q. Burch, 1944)
Cyclocardia barbarensis (Stearns, 1891)
Cyclocardia borealis (Conrad, 1831)
Cyclocardia (Cyclocardia) californica
Cyclocardia calva (Tate, 1887)
Cyclocardia castrana
Cyclocardia chamaeformis (J de C. Sowerby, 1825)
Cyclocardia christiei
Cyclocardia compressa (Reeve, 1843)
Cyclocardia congelascens (Melvill & Standen, 1912)
Cyclocardia conradi Deshayes, 1858
Cyclocardia crassidens (Broderip & G. B. Sowerby I, 1829)
Cyclocardia crebricostata (Krause, 1885)
Cyclocardia (Arcturellina) davidsoni
Cyclocardia delicatum (Verco, 1908)
Cyclocardia deltoidea Solander in Brander, 1766
Cyclocardia dilectum Smith, 1885
Cyclocardia dodairensis
Cyclocardia (Arcturellina) elegans
Cyclocardia excelsior (Verco, 1908)
Cyclocardia godeffroyi (Dunker, 1871)
Cyclocardia gouldii (Dall, 1903)
Cyclocardia granulata (Say, 1826)
Cyclocardia incisa (Dall, 1903)
Cyclocardia insignis (Smith, 1885)
Cyclocardia isaotakii (Tiba, 1972)
Cyclocardia jaffaensis (Cotton & Godfrey, 1938)
Cyclocardia (Cyclocardia) kirkerensis
Cyclocardia kurilensis
Cyclocardia mesembria
Cyclocardia moniliata (Dall, 1903)
Cyclocardia (Cyclocardia) montereyana
Cyclocardia nipponensis Huber, 2010
Cyclocardia nodulosa (Dall, 1919)
Cyclocardia novangliae (E. S. Morse, 1869)
Cyclocardia (Cyclocardia) occidentalis
Cyclocardia orbicularis (J de C. Sowerby, 1825)
Cyclocardia ovata (Riabinina, 1952)
Cyclocardia pseutella
Cyclocardia (Arcturellina) pulchra
Cyclocardia ripensis Popov & Scarlato, 1980
Cyclocardia rjabininae (Scarlato, 1955)
Cyclocardia scalaris (J de C. Sowerby, 1825)
Cyclocardia spurca Sowerby, 1833
Cyclocardia stearnsii (Dall, 1903)
Cyclocardia (Arcturellina) sulcata
Cyclocardia terryi
Cyclocardia thouarsii (d'Orbigny, 1842)
Cyclocardia tokunagai
Cyclocardia trentensis
Cyclocardia umnaka (Willett, 1932)
Cyclocardia velutina (E.A. Smith, 1881)
Cyclocardia velutinus
Cyclocardia ventricosa (Gould, 1850)
Cyclocardia yoshidai
Venericardia (Cyclocardia) otatsumei
Venericardia (Cyclocardia) yokoyamai