Cyclocardia bernardi (FOSSIL) Renard, 1994 † France, Paris Basin13 mm
Pleuromeris bezanconi (FOSSIL) A.E.M. Cossmann, 1887 † France, Paris Basin5 mm
Cardites bicolor (J.B.P.A. Lamarck, 1819) India, Tuticorin43 mm
Purpurocardia bimaculata (G.P. Deshayes, 1854) South Australia13,1 mm
Venericardia bistrovi (FOSSIL) Pronina, 1969 † Russia, Kamchatka, Tigil'skiy
Cyclocardia borealis (T.A. Conrad, 1832) Madagascar23,2 mm
Ainicardita borensis (FOSSIL) (Simonova, 1941 †) Russia, Sakhalin
Venericardia brassica (FOSSIL) C.J. Maury, 1925 † Colombia, Tuberá Mtn
Megacardita brocchii (FOSSIL) (O.G. Michelotti, 1839 †) Italy, Torino
Powellina brookesi (H.J. Finlay, 1926) New Zealand, Leigh4 mm
Baluchicardia bulla (FOSSIL) (W.H. Dall, 1903 †) Texas
Venericor cacamai (FOSSIL) (Gardner & E. Bowles,1939 †) Mexico, Nuevo León
Paraglans calcitrapoides (FOSSIL) (J.B.P.A. Lamarck,1805 †) France, Brittany12 mm
Cardita caliculaeformis G.P. Deshayes in L. Maillard, 1863 Taiwan
Cyclocardia californica (FOSSIL) W.H. Dall, 1903 † USA, California, Los Angeles
Cyclocardia calva R. Tate, 1887 Tasmania
Cardita calyculata (C. Linnaeus, 1758) Croatia19 mm
Venericardia camachoi (FOSSIL) Rossi de Garcia& J.L. Levy, 1959 † Argentina, Chubut, Arroyo Verde
Glans camerata (FOSSIL) A. von Koenen † Ukraine7 mm
Cardites canaliculata L.A. Reeve, 1843 Philippines
Cardita cancellata (FOSSIL) Woods 1897 † UK, Berkshire
Cardita caribbeanensis (FOSSIL) A.A. Olsson, 1922 † Colombia, La Chorrera
Claibornicardia carinata (FOSSIL) (Sowerby, 1819 †) Belgium, Vlaanderen, West-Vlaanderen
Glyptoactis carmenensis (FOSSIL) Clark & J.W. Durham,1946 † Colombia, Bolivar
Venericardia carolinensis (FOSSIL) T.A. Conrad, 1848 † United States, Alabama, Clarke
Glans carpenteri (É. Lamy, 1922) California, La Jolla9 mm
Glans carpenteri subquadrata P.P. Carpenter, 1864 British Columbia, Vancouver Island9 mm
Rotundicardia carsonensis (FOSSIL) (W.H. Dall, 1903 †) USA, Mississippi
Cardita castanea G.P. Deshayes, 1854 Moluccas
Cyclocardia castor (FOSSIL) (W.H. Dall †) Oregon, Coos bay, Astoria formation25 mm
Cyclocardia castrana (FOSSIL) L.C. Glenn, 1904 † USA, Delaware
Carditamera catharia (FOSSIL) W.H. Dall, 1903 † USA, Florida, Pinellas
Cyclocardia caumontensis (FOSSIL) (Deshayes) †
Cyclocardia caumontiensis (FOSSIL) (G.P. Deshayes, 1858 †) France, Paris Basin9 mm
Purpurocardia cavatica (C. Hedley, 1902) New South Wales