Cardium bouryi (FOSSIL) A.E.M. Cossmann, 1886 † France, Paris Basin26 mm
Dallocardia bowdenense (FOSSIL) (W.H. Dall, 1900 †) Jamaica, Saint Thomas
Trachycardium brantlyi (FOSSIL) N.E. Weisbord, 1929 † Colombia, Tuberá Mtn
Laevicardium brasilianum (J.B.P.A. Lamarck, 1819) Florida29 mm
Nemocardium brasiliense (FOSSIL) White, 1887 † Brazil, Sergipe
Fuscocardium braunsi (FOSSIL) (S. Tokunaga, 1937 †) Japan, Ibaraki60 mm
Schedocardia brewerii (FOSSIL) (W.M. Gabb, 1864 †) USA, Washington
Ciliatocardium brooksi (FOSSIL) (Clark, 1932 †)
Perucardia brueggeni (FOSSIL) (Olsson 1944) †
Hedecardium brunneri (FOSSIL) (J. Hector, 1886 †) New Zealand, Canterbury, Waimate
Protocardia buckmani (FOSSIL) Morris & J. Lycett,1853 † UK, England, Gloucestershire
Bucardium buekkianum (FOSSIL) Telegdi-Roth, 1914 † Hungary, Bükk75 mm
Keenocardium buelowi (H. Rolle, 1896) Yellow Sea48,5 mm
Papyridea bulbosa (FOSSIL) (W.H. Dall, 1900 †) Florida33 mm
Acrosterigma burchardi (R.W. Dunker, 1877) Japan, Mikawa67,3 mm
Cardium burdigalinum (FOSSIL) J.B.P.A. Lamarck, 1819 † France, Aquitaine39 mm
Americardia burnsii (FOSSIL) (W.H. Dall, 1900 †) Florida8 mm
Vepricardium burnupi (G.B. III Sowerby, 1897) South Africa, Natal35,6 mm
Dinocardium cabezai (FOSSIL) Gardner, 1945 † Mexico, Tamaulipas, San Fernando
Trigoniocardia cabopasadum (FOSSIL) H.A. Pilsbry& A.A. Olsson, 1941 † Ecuador, Manabi
Pseudofulvia caledonica E. Vidal & L. Kirkendale,2007 New Caledonia, Koumac10,3 mm
Keenocardium californiense (G.P. Deshayes, 1839) Yellow Sea62 mm
Keenocardium californiense comoxense (W.H. Dall, 1900) Canada, Vancouver Island
Keenocardium californiense middendorffi A.I. Kafanov, 1999 Russia, Okhotsk Sea
Cerastoderma calvertensium (FOSSIL) L.C. Glenn, 1904 † USA, Delaware
Titanocardium cantuariense (FOSSIL) C.R. Laws, 1933 † New Zealand, South Island
Europicardium caparti (Nickles, 1955) Senegal, Dakar42 mm
Acrosterigma capricorne E. Vidal & L. Kirkendale,2007 Australia, Arago bank
Papyridea capsoides (FOSSIL) J.F. Bayan, 1873 † France, Paris Basin12 mm
Corculum cardissa (C. Linnaeus, 1758) Philippines, Bohol Island45 mm
Corculum cardissa dionaeum G.B. I Sowerby, 1829 Philippines, Siquijor58 mm
Corculum cardissa kirai T. Shikama, 1964 Philippines, Zamboanga
Corculum cardissa laevigatum (P. Bartsch, 1947) Philippines, Cebu48 mm
Corculum cardissa obesum P. Bartsch, 1947 Philippines, Zamboanga
Fragum carinatum H. Lynge, 1909 Philippines, Bohol49 mm