MolluscaBase - browser

Mollusca (132 791)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 009)
Subclass Autobranchia (23 295)
Infraclass Heteroconchia (16 637)
Subterclass Archiheterodonta (1 208)
Subterclass Euheterodonta (11 356)
Superorder Anomalodesmata (987)
Superorder Imparidentia (10 336)
Order Adapedonta (260)
Order Cardiida (3 055)
Superfamily Anthracosioidea Amalitzky, 1892 † (215)
Superfamily Cardiacea accepted as Cardioidea Lamarck, 1809
Superfamily Cardioidea Lamarck, 1809 (1 536)
Family Adacnidae Gill, 1871 accepted as Adacnini Gill, 1871
Family Cardiidae Lamarck, 1809 (1 526)
Subfamily Cardiidae incertae sedis (18)
Subfamily Cardiinae Lamarck, 1809 (88)
Genus Acanthocardium Römer, 1868 accepted as Acanthocardia J. E. Gray, 1851
Genus Bucardium J. E. Gray, 1853 (5)
Genus Cardium Linnaeus, 1758 (30)
Subgenus Cardium (Acanthocardia) J. E. Gray, 1851 accepted as Acanthocardia J. E. Gray, 1851
Subgenus Cardium (Acanthocardium) Römer, 1868 accepted as Acanthocardia J. E. Gray, 1851
Subgenus Cardium (Adacna) Eichwald, 1838 accepted as Adacna Eichwald, 1838
Subgenus Cardium (Americardia) R. B. Stewart, 1930 accepted as Americardia R. B. Stewart, 1930
Subgenus Cardium (Amphicardium) E. von Martens, 1880 accepted as Lyrocardium Meek, 1876
Subgenus Cardium (Archicardium) F. Sandberger, 1863 accepted as Acanthocardia J. E. Gray, 1851
Subgenus Cardium (Avicardium) V. P. Kolesnikov, 1950 † accepted as Avicardium V. P. Kolesnikov, 1950 †
Subgenus Cardium (Bucardium) J. E. Gray, 1853 accepted as Bucardium J. E. Gray, 1853
Subgenus Cardium (Cardium) Linnaeus, 1758 accepted as Cardium Linnaeus, 1758
Subgenus Cardium (Cerastoderma) Poli, 1795 accepted as Cerastoderma Poli, 1795
Subgenus Cardium (Clinocardium) Keen, 1936 accepted as Clinocardium Keen, 1936
Subgenus Cardium (Corculum) Röding, 1798 accepted as Corculum Röding, 1798
Subgenus Cardium (Ctenocardia) H. Adams & A. Adams, 1857 accepted as Ctenocardia H. Adams & A. Adams, 1857
Subgenus Cardium (Didacna) Eichwald, 1838 accepted as Didacna Eichwald, 1838
Subgenus Cardium (Dinocardium) Dall, 1900 accepted as Dinocardium Dall, 1900
Subgenus Cardium (Discors) Deshayes, 1858 † accepted as Discors Deshayes, 1858
Subgenus Cardium (Divaricardium) Dollfus & Dautzenberg, 1886 † accepted as Divaricardium Dollfus & Dautzenberg, 1886 †
Subgenus Cardium (Divergicardium) Dunker, 1882 accepted as Lyrocardium Meek, 1876
Subgenus Cardium (Eoprosodacna) Davitashvili, 1934 † accepted as Eoprosodacna Davitashvili, 1934 †
Subgenus Cardium (Ethmocardium) C. A. White, 1880 † accepted as Ethmocardium C. A. White, 1880 †
Subgenus Cardium (Eucardium) P. Fischer, 1887 accepted as Acanthocardia J. E. Gray, 1851
Subgenus Cardium (Fragum) Röding, 1798 accepted as Fragum Röding, 1798
Subgenus Cardium (Fulvia) J. E. Gray, 1853 accepted as Fulvia J. E. Gray, 1853
Subgenus Cardium (Glans) Megerle von Mühlfeld, 1811 accepted as Glans Megerle von Mühlfeld, 1811
Subgenus Cardium (Hemidiscors) Rovereto, 1898 † accepted as Discors Deshayes, 1858
Subgenus Cardium (Inaequicostata) Paramonova, 1971 † accepted as Replidacna Jekelius, 1944 †
Subgenus Cardium (Incacardium) Olsson, 1944 † accepted as Incacardium Olsson, 1944 †
Subgenus Cardium (Kathocardia) H. I. Tucker & D. Wilson, 1932 † accepted as Cardium (Trachycardium) Mörch, 1853
Subgenus Cardium (Kubanocardium) Muskhelishvili, 1965 † accepted as Kubanocardium Muskhelishvili, 1965 †
Subgenus Cardium (Laevicardium) Swainson, 1840 accepted as Laevicardium Swainson, 1840
Subgenus Cardium (Limnocardium) [sic] † accepted as Lymnocardium Stoliczka, 1870 †
Subgenus Cardium (Lophocardium) P. Fischer, 1887 accepted as Lophocardium P. Fischer, 1887
Subgenus Cardium (Loxocardium) Cossmann, 1886 † accepted as Loxocardium Cossmann, 1886 †
Subgenus Cardium (Monodacna) Eichwald, 1838 accepted as Monodacna Eichwald, 1838
Subgenus Cardium (Nemocardium) Meek, 1876 accepted as Nemocardium Meek, 1876
Subgenus Cardium (Obsoletiforma) Paramonova, 1971 † accepted as Obsoletiformes Kojumdgieva, 1969 †
Subgenus Cardium (Obsoletiformes) Kojumdgieva, 1969 † accepted as Obsoletiformes Kojumdgieva, 1969 †
Subgenus Cardium (Orthocardium) Tremlett, 1950 † accepted as Orthocardium Tremlett, 1950 †
Subgenus Cardium (Papillicardium) Sacco, 1899 accepted as Papillicardium Sacco, 1899
Subgenus Cardium (Papyridea) Swainson, 1840 accepted as Papyridea Swainson, 1840
Subgenus Cardium (Paradacna) Andrusov, 1909 † accepted as Paradacna Andrusov, 1909 †
Subgenus Cardium (Parvicardium) Monterosato, 1884 accepted as Parvicardium Monterosato, 1884
Subgenus Cardium (Phyllicardium) [sic!] † accepted as Phyllocardium P. Fischer, 1887 †
Subgenus Cardium (Plagiocardium) Cossmann, 1886 † accepted as Plagiocardium Cossmann, 1886 †
Subgenus Cardium (Protocardia) Beyrich, 1845 † accepted as Protocardia Beyrich, 1845 †
Subgenus Cardium (Protocardium) Geinitz, 1874 † accepted as Protocardia Beyrich, 1845 †
Subgenus Cardium (Pseudocardita) Oppenheim, 1919 † accepted as Didacna Eichwald, 1838
Subgenus Cardium (Psilodon) Cobălcescu, 1883 † accepted as Prosodacna Tournouër, 1882 †
Subgenus Cardium (Replidacna) Jekelius, 1944 † accepted as Replidacna Jekelius, 1944 †
Subgenus Cardium (Ringicardium) P. Fischer, 1887 accepted as Bucardium J. E. Gray, 1853
Subgenus Cardium (Rudicardium) Coen, 1915 † accepted as Acanthocardia J. E. Gray, 1851
Subgenus Cardium (Serripes) A. Gould, 1841 accepted as Serripes A. Gould, 1841
Subgenus Cardium (Trachycardium) Mörch, 1853 accepted as Trachycardium Mörch, 1853 (1)
Subgenus Cardium (Trigoniocardia) Dall, 1900 accepted as Trigoniocardia Dall, 1900
Subgenus Cardium (Tropidocardium) Römer, 1868 accepted as Cardium Linnaeus, 1758
Subgenus Cardium (Tulongocardium) C.-Z. Chen, J.-H. Chen & Z.-M. Zhang, 1976 † accepted as Tulongocardium C.-Z. Chen, J.-H. Chen & Z.-M. Zhang, 1976 †
Species Cardium abichi R. Hoernes, 1874 † accepted as Paradacna abichi (R. Hoernes, 1874) †
Species Cardium abramovici A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Raricardium konjuschevski (K. A. Ali-Zade, 1932) †
Species Cardium abreki Uspenskaja, 1931 † accepted as Avicardium abreki (Uspenskaja, 1931) †
Species Cardium abundans Liverovskaya, 1939 † accepted as Plagiocardium abundans (Liverovskaya, 1939) †
Species Cardium acardo Deshayes, 1838 † accepted as Arcicardium acardo (Deshayes, 1838) †
Species Cardium acerbum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes acerbus (V. P. Kolesnikov, 1929) †
Species Cardium aculcatum Aradas & Benoit, 1872 accepted as Acanthocardia aculeata (Linnaeus, 1758)
Species Cardium aculeatum Linnaeus, 1758 accepted as Acanthocardia aculeata (Linnaeus, 1758)
Species Cardium aculeiferum Zieten, 1833 †
Species Cardium acutecostatum A. d'Orbigny, 1841 † accepted as Cardium cleryi Deshayes, 1857 †
Species Cardium acuticostatum A. d'Orbigny, 1841 † accepted as Cardium cleryi Deshayes, 1857 †
Species Cardium adacnoides Cheltsov, 1965 † accepted as Acobaecardium akobae (Cheltsov, 1965) †
Species Cardium adamsii Reeve, 1850 accepted as Cardium fornicatum G. B. Sowerby II, 1840
Species Cardium adonisi A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium aeolicum Born, 1778 accepted as Lyrocardium aeolicum (Born, 1778)
Species Cardium aeolicum Gmelin, 1791 accepted as Lyrocardium aeolicum (Born, 1778)
Species Cardium aequale Deshayes, 1855 accepted as Cardium dionaeum Broderip & G. B. Sowerby I, 1829
Species Cardium agassizii Michelotti, 1839 † accepted as Cardiolucina agassizii (Michelotti, 1839) †
Species Cardium agdschakendense Bobkova, 1956 †
Species Cardium ainuanum Yokoyama, 1927 † accepted as Clinocardium ainuanum (Yokoyama, 1927) †
Species Cardium akobae Cheltsov, 1965 † accepted as Acobaecardium akobae (Cheltsov, 1965) †
Species Cardium aktamense A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium aktschagilicum K. A. Ali-Zade, 1941 † accepted as Aktschagylocardium uspenskaiae (V. P. Kolesnikov, 1950) †
Species Cardium alabastrum P. P. Carpenter, 1857 accepted as Trigoniocardia granifera (Broderip & G. B. Sowerby I, 1829)
Species Cardium alaeforme J. De C. Sowerby, 1827 †
Species Cardium albanicum [sic] † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium albanum A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium albaschiensis Steklov, 1955 †
Species Cardium alfuricum P. J. Fischer, 1921 † accepted as Fragum alfuricum (P. J. Fischer, 1921) †
Species Cardium aliforme J. De C. Sowerby, 1827 † accepted as Conocardium aliforme (J. De C. Sowerby, 1827) †
Species Cardium alternatum G. B. Sowerby II, 1840 accepted as Vasticardium angulatum (Lamarck, 1819)
Species Cardium alternatum A. d'Orbigny, 1844 †
Species Cardium altum Cheltsov, 1965 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium alutaceum Münster, 1837 †
Species Cardium amandum A. A. Ali-Zade, 1967 † accepted as Cerastoderma siphonophorum (Andrusov, 1902) †
Species Cardium amboinense Gmelin, 1791 accepted as Tucetona pectunculus (Linnaeus, 1758)
Species Cardium ameghinoi Ihering, 1907 † accepted as Hedecardium ameghinoi (Ihering, 1907) †
Species Cardium ammoni Rzehak, 1893 † accepted as Limnopagetia ammoni (Rzehak, 1893) †
Species Cardium anapi A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium andreae Dujardin, 1837 † accepted as Acanthocardia andreae (Dujardin, 1837) †
Species Cardium andrusovi Sokolov, 1899 † accepted as Acanthocardia andrusovi (Sokolov, 1899) †
Species Cardium angulatum Lamarck, 1819 accepted as Vasticardium angulatum (Lamarck, 1819)
Species Cardium angulatum A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium angulatum Münster, 1837 †
Species Cardium anguliferum F. Sandberger, 1863 † accepted as Habecardium cingulatum (Goldfuss, 1837) †
Species Cardium angulosum Deshayes, 1857 † accepted as Plagiodacna angulosa (Deshayes, 1857) †
Species Cardium angustatum J. Sowerby, 1821 † accepted as Cerastoderma angustatum (J. Sowerby, 1821) †
Species Cardium angusticostatum Rousseau, 1842 † accepted as Stenodacna angusticostata (Rousseau, 1842) †
Species Cardium annae Pilsbry, 1904 accepted as Fulvia mutica (Reeve, 1844)
Species Cardium antillarum A. d'Orbigny, 1853 accepted as Trigoniocardia antillarum (A. d'Orbigny, 1853)
Species Cardium antropovi A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium anubis A. A. Ali-Zade, 1967 † accepted as Acobaecardium akobae (Cheltsov, 1965) †
Species Cardium apertum Bruguière, 1789 accepted as Fulvia aperta (Bruguière, 1789)
Species Cardium apertum Chemnitz, 1782 accepted as Cardium apertum Bruguière, 1789
Species Cardium apertum Münster, 1837 † accepted as Lymnocardium subapertum (A. d'Orbigny, 1852) †
Species Cardium aperturatum Deshayes, 1853 † accepted as Bosphoricardium aperturatum (Deshayes, 1853) †
Species Cardium apicinum (P. P. Carpenter, 1864) accepted as Laevicardium elenense (G. B. Sowerby II, 1840)
Species Cardium apporectum A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium approbum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium aquilinum Mittre, 1842 accepted as Parvicardium exiguum (Gmelin, 1791)
Species Cardium aquitanicum Mayer, 1858 † accepted as Lyrocardium aquitanicum (Mayer, 1858) †
Species Cardium arabicus Issel, 1869 accepted as Afrocardium richardi (Audouin, 1826)
Species Cardium aradasi Crema, 1903 † accepted as Papillicardium aradasi (Crema, 1903) †
Species Cardium arbacti A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium arcaeformis Chapman & Crespin, 1934 † accepted as Glans latissima (Tate, 1886) †
Species Cardium arcella Dujardin, 1837 † accepted as Cerastoderma arcellum (Dujardin, 1837) †
Species Cardium arcticum G. B. Sowerby II, 1834 accepted as Cardium ciliatum O. Fabricius, 1780
Species Cardium arcuatulum G. B. Sowerby III, 1874 accepted as Fragum mundum (Reeve, 1845)
Species Cardium arcuatum Montagu, 1803 accepted as Lucinella divaricata (Linnaeus, 1758)
Species Cardium arenatum P. P. Carpenter, 1857 accepted as Cardium quadragenarium Conrad, 1837
Species Cardium arenicolum Reeve, 1845 accepted as Cardium maculosum W. Wood, 1815
Species Cardium argovianum Mayer, 1865 † accepted as Protocardia argoviana (Mayer, 1865) †
Species Cardium arguni Uspenskaja, 1931 † accepted as Avicardium kamishense (Uspenskaja, 1931) †
Species Cardium argutum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium aristi A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium arpadense M. Hörnes, 1861 † accepted as Lymnocardium arpadense (M. Hörnes, 1861) †
Species Cardium asaphum A. F. Leanza, 1942 † accepted as Asoella asapha (A. F. Leanza, 1942) †
Species Cardium asiaticum Bruguière, 1789 accepted as Vepricardium asiaticum (Bruguière, 1789)
Species Cardium asiaticum Chemnitz, 1782 accepted as Cardium asiaticum Bruguière, 1789
Species Cardium asiaticum A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra vogdti (Andrusov, 1902) †
Species Cardium aspersum G. B. Sowerby I, 1833 accepted as Papyridea aspersa (G. B. Sowerby I, 1833)
Species Cardium asperulum Lamarck, 1805 † accepted as Vepricardium asperulum (Lamarck, 1805) †
Species Cardium asperum Münster, 1837 †
Species Cardium assimile Reeve, 1844 accepted as Vasticardium assimile (Reeve, 1844)
Species Cardium atrocis A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium attenuatum G. B. Sowerby II, 1841 accepted as Acrosterigma attenuatum (G. B. Sowerby II, 1841)
Species Cardium auca A. d'Orbigny, 1841 †
Species Cardium auingeri T. Fuchs, 1870 † accepted as Plagiodacna auingeri (T. Fuchs, 1870) †
Species Cardium aurantiacum A. Adams & Reeve, 1850 accepted as Lyrocardium aurantiacum (A. Adams & Reeve, 1850)
Species Cardium auricula Niebuhr, 1775 accepted as Lunulicardia auricula (Niebuhr, 1775)
Species Cardium austeni d'Archiac & Haime, 1854 †
Species Cardium australe G. B. Sowerby II, 1834 accepted as Fulvia australis (G. B. Sowerby II, 1834)
Species Cardium australiense Reeve, 1844 accepted as Hemidonax australiensis (Reeve, 1844)
Species Cardium aventini A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium aviculare Deshayes, 1829 † accepted as Avicularium lithocardium (Linnaeus, 1771) †
Species Cardium aviculare Sinzov, 1875 † accepted as Aviculocardium aviculare (Sinzov, 1875) †
Species Cardium avisanense Fontannes, 1879 † accepted as Procardium avisanense (Fontannes, 1879) †
Species Cardium axinoelongatum Thurmann, 1863 †
Species Cardium axinoobliquum Thurmann, 1863 †
Species Cardium azerbajdjanicum K. A. Ali-Zade, 1932 † accepted as Cerastoderma azerbajdjanicum (K. A. Ali-Zade, 1932) †
Species Cardium badagoianum Rochebrune, 1882 †
Species Cardium baeri Grimm, 1877 accepted as Didacna baeri (Grimm, 1877)
Species Cardium baericrassum Pavlov, 1925 † accepted as Didacna baericrassa (Pavlov, 1925) †
Species Cardium bajarunasi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes bajarunasi (V. P. Kolesnikov, 1929) †
Species Cardium balatonicum T. Fuchs, 1870 † accepted as Pseudocatillus balatonicus (T. Fuchs, 1870) †
Species Cardium balchanicum A. A. Ali-Zade, 1967 † accepted as Cerastoderma konschini (Andrusov, 1902) †
Species Cardium banaticum T. Fuchs, 1870 † accepted as Bosphoricardium banaticum (T. Fuchs, 1870) †
Species Cardium banneianum Thurmann, 1863 †
Species Cardium baranowense Hilber, 1882 † accepted as Laevicardium baranowense (Hilber, 1882) †
Species Cardium barbotdemarnii Grimm, 1877 accepted as Didacna barbotdemarnii (Grimm, 1877)
Species Cardium barboti R. Hoernes, 1874 † accepted as Replidacna barboti (R. Hoernes, 1874) †
Species Cardium barrandai Mayer-Eymar, 1900 † accepted as Acanthocardia turonica (M. Hörnes, 1861) †
Species Cardium barrandei Mayer-Eymar, 1900 † accepted as Cardium barrandai Mayer-Eymar, 1900 †
Species Cardium bavaricum Ammon, 1888 † accepted as Limnopagetia bavarica (Ammon, 1888) †
Species Cardium bayeri Haanstra & Spiker, 1932 † accepted as Frigidocardium bayeri (Haanstra & Spiker, 1932) †
Species Cardium bayerni R. Hoernes, 1874 † accepted as Chartoconcha bayerni (R. Hoernes, 1874) †
Species Cardium bazini Deshayes, 1858 † accepted as Bucardium bazini (Deshayes, 1858) †
Species Cardium beaumonti "A. d'Orbigny, 1844" † accepted as Obsoletiformes obsoletus (Eichwald, 1830) †
Species Cardium beaumontianum "A. d'Orbigny, 1845" † accepted as Obsoletiformes obsoletus (Eichwald, 1830) †
Species Cardium bechei Reeve, 1847 accepted as Nemocardium bechei (Reeve, 1847)
Species Cardium belcheri Broderip & G. B. Sowerby I, 1829 accepted as Phlogocardia belcheri (Broderip & G. B. Sowerby I, 1829)
Species Cardium belgicum De Malzine, 1867 accepted as Cerastoderma edule (Linnaeus, 1758)
Species Cardium beli A. A. Ali-Zade & Petrova, 1969 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium bellulum A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra vogdti (Andrusov, 1902) †
Species Cardium bellum R. A. Philippi, 1897 †
Species Cardium belticum Reeve, 1845 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium belusi A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium bengasiensis Kaltenbach, 1943 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium benoisti Cossmann, 1896 † accepted as Parvicardium benoisti (Cossmann, 1896) †
Species Cardium bernouilense de Loriol, 1868 †
Species Cardium bessarabicum Simionescu & Barbu, 1940 †
Species Cardium bianconianum Cocconi, 1873 † accepted as Acanthocardia bianconiana (Cocconi, 1873) †
Species Cardium biangulatum Broderip & G. B. Sowerby I, 1829 accepted as Americardia biangulata (Broderip & G. B. Sowerby I, 1829)
Species Cardium bicolor Deshayes, 1855
Species Cardium bimarginatum A. d'Orbigny, 1844 †
Species Cardium biradiatum Bruguière, 1789 accepted as Acrosterigma biradiatum (Bruguière, 1789)
Species Cardium bispinosum Dujardin, 1837 †
Species Cardium bivirgatum Wanner & Hahn, 1935 †
Species Cardium blakeanum Dall, 1909 †
Species Cardium blandum A. Gould, 1850 accepted as Keenocardium blandum (A. Gould, 1850)
Species Cardium bogatchevi V. P. Kolesnikov, 1929 † accepted as Cerastoderma arcellum bogatchevi (V. P. Kolesnikov, 1929) †
Species Cardium bolivianum R. A. Philippi, 1887 †
Species Cardium bollenense Mayer, 1871 † accepted as Pontalmyra bollenensis (Mayer, 1871) †
Species Cardium bollense [sic] † accepted as Pontalmyra bollenensis (Mayer, 1871) †
Species Cardium bomasense K. Martin, 1917 † accepted as Freneixicardia bomasense (K. Martin, 1917) †
Species Cardium boreale Broderip & G. B. Sowerby I, 1829 accepted as Cardium californiense Deshayes, 1839
Species Cardium boreale Reeve, 1845 accepted as Cardium groenlandicum Mohr, 1786
Species Cardium bouei Deshayes, 1858 † accepted as Loxocardium bouei (Deshayes, 1858) †
Species Cardium bourdoti Cossmann, 1882 † accepted as Parvicardium bourdoti (Cossmann, 1882) †
Species Cardium bourguignati Rochebrune, 1882 †
Species Cardium bouryi Cossmann, 1886 † accepted as Orthocardium bouryi (Cossmann, 1886) †
Species Cardium bozdagiense K. A. Ali-Zade, 1941 † accepted as Aktschagylocardium uspenskaiae (V. P. Kolesnikov, 1950) †
Species Cardium brachytonum Suter, 1917 † accepted as Tucetona brachytona (Suter, 1917) †
Species Cardium brasilianum Lamarck, 1819 accepted as Laevicardium brasilianum (Lamarck, 1819)
Species Cardium braunsi Tokunaga, 1906 † accepted as Clinocardium braunsi (Tokunaga, 1906) †
Species Cardium brocchii Mayer, 1866 † accepted as Acanthocardia brocchii (Mayer, 1866) †
Species Cardium brongniarti d'Archiac, 1854 †
Species Cardium bruguierei Deshayes, 1857 † accepted as Conocardium elongatum (J. Sowerby, 1815) †
Species Cardium brunneri Hector, 1886 † accepted as Hedecardium brunneri (Hector, 1886) †
Species Cardium brusinai Rzehak, 1893 † accepted as Limnopagetia moravica (Rzehak, 1883) †
Species Cardium buelowi Rolle, 1896 accepted as Keenocardium buelowi (Rolle, 1896)
Species Cardium bullatum Locard, 1891 accepted as Acanthocardia echinata (Linnaeus, 1758)
Species Cardium bullatum (Linnaeus, 1758) sensu Lamarck, 1819 accepted as Papyridea soleniformis (Bruguière, 1789)
Species Cardium bülowi Rolle, 1896 accepted as Keenocardium buelowi (Rolle, 1896)
Species Cardium bunburyi d'Archiac & Haime, 1854 †
Species Cardium burchardti Dunker, 1877 accepted as Acrosterigma burchardi (Dunker, 1877)
Species Cardium burdigalinum Lamarck, 1819 † accepted as Bucardium burdigalinum (Lamarck, 1819) †
Species Cardium burnupi G. B. Sowerby III, 1897 accepted as Vepricardium burnupi (G. B. Sowerby III, 1897)
Species Cardium calcitrapoides Lamarck, 1805 † accepted as Paraglans calcitrapoides (Lamarck, 1805) †
Species Cardium californianum Conrad, 1837 accepted as Clinocardium nuttallii (Conrad, 1837)
Species Cardium californiense Deshayes, 1839 accepted as Keenocardium californiense (Deshayes, 1839)
Species Cardium campechiense Röding, 1798 accepted as Dallocardia muricata (Linnaeus, 1758)
Species Cardium cantuariense Laws, 1933 † accepted as Hedecardium cantuariense (Laws, 1933) †
Species Cardium caparti Nicklès, 1955 accepted as Europicardium caparti (Nicklès, 1955)
Species Cardium capsoides Bayan, 1873 † accepted as Parvicardium capsoides (Bayan, 1873) †
Species Cardium caracutum Uspenskaja, 1931 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium cardissa Linnaeus, 1758 accepted as Corculum cardissa (Linnaeus, 1758)
Species Cardium carditaeforme Reeve, 1845 accepted as Afrocardium richardi (Audouin, 1826)
Species Cardium carditaeformis Simionescu & Barbu, 1940 †
Species Cardium carinatum K. A. Ali-Zade, 1941 †
Species Cardium carinatum Deshayes, 1838 † accepted as Plagiodacna angulosa (Deshayes, 1857) †
Species Cardium carneosum da Costa, 1779 accepted as Strigilla carnaria (Linnaeus, 1758)
Species Cardium carnuntinum M. Hörnes, 1861 † accepted as Lymnocardium carnuntinum (M. Hörnes, 1861) †
Species Cardium carolinensis Conrad, 1863 † accepted as Dinocardium robustum ([Lightfoot], 1786)
Species Cardium carolinum A. d'Orbigny, 1844 † accepted as Granocardium carolinum (A. d'Orbigny, 1844) †
Species Cardium carpatinum (Jekelius, 1944) † accepted as Replidacna carpatina Jekelius, 1944 †
Species Cardium cartieri de Loriol, 1881 †
Species Cardium casertanum Poli, 1791 accepted as Euglesa casertana (Poli, 1791)
Species Cardium caspium A. A. Ali-Zade, 1967 † accepted as Cerastoderma karelini (Andrusov, 1902) †
Species Cardium castellinense Capellini, 1873 † accepted as Pontalmyra castellinensis (Capellini, 1873) †
Species Cardium castum Guppy, 1866 † accepted as Cardium (Trigoniocardia) castum Guppy, 1966 †
Species Cardium caudatum K. A. Ali-Zade, 1941 † accepted as Aktschagylocardium uspenskaiae (V. P. Kolesnikov, 1950) †
Species Cardium caudatum Simionescu & Barbu, 1940 †
Species Cardium caudatum Goldfuss, 1837 †
Species Cardium cazecae Andrusov, 1890 † accepted as Pseudocatillus cazecae (Andrusov, 1890) †
Species Cardium cekusi Gorjanović-Kramberger, 1890 † accepted as Paradacna cekusi (Gorjanović-Kramberger, 1890) †
Species Cardium cenomanense A. d'Orbigny, 1844 †
Species Cardium centopleurum Andrusov, 1902 † accepted as Obsoletiformes centopleurus (Andrusov, 1902) †
Species Cardium centumliratum Melvill, 1907 accepted as Frigidocardium centumliratum (Melvill, 1907)
Species Cardium centumpanium Andrusov, 1911 † accepted as Acanthocardia centumpania (Andrusov, 1911) †
Species Cardium centumpleurum [sic] † accepted as Obsoletiformes centopleurus (Andrusov, 1902) †
Species Cardium ceramidum Dall, 1886 accepted as Trigoniocardia antillarum (A. d'Orbigny, 1853)
Species Cardium chartaceum Brusina, 1874 † accepted as Parvidacna chartacea (Brusina, 1874) †
Species Cardium chazaricum A. A. Ali-Zade, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium chiae Almera, 1894 † accepted as Pontalmyra incerta chiae (Almera, 1894) †
Species Cardium chorasanicum A. A. Ali-Zade, 1967 † accepted as Cerastoderma konschini (Andrusov, 1902) †
Species Cardium chordotonum Münster, 1837 †
Species Cardium chorezmicum A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium ciliare Linnaeus, 1758
Species Cardium ciliatum O. Fabricius, 1780 accepted as Ciliatocardium ciliatum (O. Fabricius, 1780)
Species Cardium cingulatum Goldfuss, 1837 † accepted as Habecardium cingulatum (Goldfuss, 1837) †
Species Cardium citrinum W. Wood, 1815 accepted as Cardium serratum Linnaeus, 1758
Species Cardium civicum Yokoyama, 1927 † accepted as Cardiolucina civica (Yokoyama, 1927)
Species Cardium clavatum Hilber, 1879 † accepted as Acanthocardia clavata (Hilber, 1879) †
Species Cardium cleryi Deshayes, 1857 †
Species Cardium clodiense Brocchi, 1814 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium cochleatum Quenstedt, 1852 † accepted as Pterocardia cochleata (Quenstedt, 1852) †
Species Cardium coefiensis Kaltenbach, 1943 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium collineum Buvignier, 1852 † accepted as Protocardia collinea (Buvignier, 1852) †
Species Cardium colombianum A. d'Orbigny, 1842 †
Species Cardium complanatum T. Fuchs, 1870 † accepted as Phyllocardium complanatum (T. Fuchs, 1870) †
Species Cardium conjungens M. Hörnes, 1861 † accepted as Lymnocardium conjungens (M. Hörnes, 1861) †
Species Cardium conniacum A. d'Orbigny, 1844 †
Species Cardium consors G. B. Sowerby I, 1833 accepted as Trachycardium consors (G. B. Sowerby I, 1833)
Species Cardium conspectum Cheltsov, 1965 † accepted as Acobaecardium conspectum (Cheltsov, 1965) †
Species Cardium constantii A. d'Orbigny, 1844 †
Species Cardium convexum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium convexum Deshayes, 1858 † accepted as Agnocardia convexa (Deshayes, 1858) †
Species Cardium cooperii Gabb, 1864 † accepted as Nemocardium cooperii (Gabb, 1864) †
Species Cardium copiosum Cheltsov, 1965 † accepted as Acobaecardium akobae (Cheltsov, 1965) †
Species Cardium corallinum Linnaeus, 1758 accepted as Mactra corallina (Linnaeus, 1758)
Species Cardium corallinum Leymerie, 1846 † accepted as Pterocardia corallina (Leymerie, 1846) †
Species Cardium corbis Martyn, 1784 accepted as Clinocardium nuttallii (Conrad, 1837)
Species Cardium corbuloides Deshayes, 1838 † accepted as Pseudocatillus corbuloides (Deshayes, 1838) †
Species Cardium cornucopiae Goldfuss, 1837 †
Species Cardium cornuelianum A. d'Orbigny, 1844 †
Species Cardium coronatum Spengler, 1799 accepted as Vepricardium coronatum (Schröter, 1786)
Species Cardium coronatum Schröter, 1786 accepted as Vepricardium coronatum (Schröter, 1786)
Species Cardium corrugatum Sharpe, 1850 †
Species Cardium cosmetum Cossmann, 1886 † accepted as Parvicardium cosmetum (Cossmann, 1886) †
Species Cardium cossmanni G. Vincent, 1882 † accepted as Agnocardia cossmanni (G. Vincent, 1882) †
Species Cardium costatum Linnaeus, 1758
Species Cardium costulatum Münster, 1837 †
Species Cardium cottaldinum A. d'Orbigny, 1844 †
Species Cardium coxi Hector, 1886 † accepted as Maoricardium coxi (Hector, 1886) †
Species Cardium cracentis A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Avicardium litorosum (A. A. Ali-Zade & Kabakova, 1967) †
Species Cardium crassatellatum Deshayes, 1838 † accepted as Pontalmyra crassatellata (Deshayes, 1838) †
Species Cardium crassispinosum G. B. Sowerby II, 1834 accepted as Acanthocardia echinata (Linnaeus, 1758)
Species Cardium crassum Gmelin, 1791 accepted as Laevicardium crassum (Gmelin, 1791)
Species Cardium crassum Eichwald, 1829 accepted as Cardium eichwaldi Krynicki, 1837
Species Cardium crenatum J. E. Gray, 1825
Species Cardium crenelloides Melvill, 1909 accepted as Afrocardium richardi (Audouin, 1826)
Species Cardium crenulatum Lamarck, 1819 accepted as Cerastoderma edule (Linnaeus, 1758)
Species Cardium crenulatum Rousseau, 1842 † accepted as Pontalmyra crenulata (Rousseau, 1842) †
Species Cardium cristagalli L. Róth, 1878 † accepted as Lymnocardium cristagalli (L. Róth, 1878) †
Species Cardium cruentatum A. Gould, 1855 accepted as Laevicardium substriatum (Conrad, 1837)
Species Cardium cruentum G. Perry, 1811 accepted as Fragum unedo (Linnaeus, 1758)
Species Cardium cucullatum Goldfuss, 1837 † accepted as Eotrapezium cucullatum (Goldfuss, 1837) †
Species Cardium cuculloides Tate, 1886 † accepted as Notocallista (Striacallista) cuculloides (Tate, 1886) †
Species Cardium cucurtense Andrusov, 1902 † accepted as Avicardium lecanoideum (Andrusov, 1902) †
Species Cardium cumingii Broderip, 1833 accepted as Lophocardium cumingii (Broderip, 1833)
Species Cardium cygnorum Deshayes, 1855 accepted as Acrosterigma cygnorum (Deshayes, 1855)
Species Cardium cypricardioides Capellini, 1880 † accepted as Plagiodacna cypricardioides (Capellini, 1880) †
Species Cardium cyreniforme Buvignier, 1852 † accepted as Isocyprina cyreniformis (Buvignier, 1852) †
Species Cardium cyrense K. A. Ali-Zade, 1941 † accepted as Aktschagylocardium uspenskaiae (V. P. Kolesnikov, 1950) †
Species Cardium dahestanicum Uspenskaja, 1931 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium dalli Heilprin, 1887 † accepted as Acrosterigma dalli (Heilprin, 1887) †
Species Cardium danatense A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium danovi V. P. Kolesnikov, 1929 † accepted as Limnocardium danovi (V. P. Kolesnikov, 1929) †
Species Cardium danubianum Mayer, 1866 † accepted as Procardium danubianum (Mayer, 1866) †
Species Cardium darwini Mayer, 1866 accepted as Cardium indicum Lamarck, 1819
Species Cardium davidaschvilii V. P. Kolesnikov, 1950 † accepted as Cerastoderma davidaschvilii (V. P. Kolesnikov, 1950) †
Species Cardium daviesi Dey, 1962 † accepted as Freneixicardia daviesi (Dey, 1962) †
Species Cardium dawsoni W. Stimpson, 1862 † accepted as Cardium ciliatum O. Fabricius, 1780
Species Cardium debile Deshayes, 1855
Species Cardium decoratum Grewingk, 1850
Species Cardium decorticatum S. V. Wood, 1853 † accepted as Laevicardium decorticatum (S. V. Wood, 1853) †
Species Cardium decorum T. Fuchs, 1870 † accepted as Lymnocardium decorum (T. Fuchs, 1870) †
Species Cardium decussatum Mantell, 1822 † accepted as Procardia decussata (Mantell, 1822) †
Species Cardium deformis A. A. Ali-Zade & Petrova, 1969 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium defrancii Deshayes, 1858 † accepted as Afrocardium defrancii (Deshayes, 1858) †
Species Cardium degrangei Cossmann, 1896 † accepted as Plagiocardium degrangei (Cossmann, 1896) †
Species Cardium delibatum de Loriol, 1872 †
Species Cardium delicatulum E. A. Smith, 1915 accepted as Dallocardia delicatula (E. A. Smith, 1915)
Species Cardium delpeutum McGill, 1964 accepted as Cardium indicum Lamarck, 1819
Species Cardium denisevici A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra vogdti (Andrusov, 1902) †
Species Cardium denticulatum W. H. Baily, 1855 † accepted as Austrocardium denticulatum (W. H. Baily, 1855) †
Species Cardium deplanatum O. Boettger, 1875 †
Species Cardium depressum Deshayes, 1838 † accepted as Oraphocardium depressum (Deshayes, 1838) †
Species Cardium descriptum Volkova, 1953 † accepted as Obsoletiformes descriptus (Volkova, 1953) †
Species Cardium desertum Stoliczka, 1862 † accepted as Pontalmyra deserta (Stoliczka, 1862) †
Species Cardium deshayesianum Bianconi, 1856 accepted as Fulvia fragilis (Forsskål, 1775)
Species Cardium deshayesii Payraudeau, 1826 accepted as Acanthocardia deshayesii (Payraudeau, 1826)
Species Cardium desperatum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes desperatus (V. P. Kolesnikov, 1929) †
Species Cardium diazi R. A. Philippi, 1887 †
Species Cardium diluvianum Lamarck, 1819 † accepted as Procardium diluvianum (Lamarck, 1819) †
Species Cardium dimidiatum Goldfuss, 1841 † accepted as Mytilus dimidiatus (Goldfuss, 1841) †
Species Cardium dimidiatum Bobkova, 1956 †
Species Cardium diminutum R. A. Philippi, 1887 †
Species Cardium dingdense Lehmann, 1885 † accepted as Habecardium dingdense (Lehmann, 1885) †
Species Cardium dionaeum Broderip & G. B. Sowerby I, 1829 accepted as Corculum dionaeum (Broderip & G. B. Sowerby I, 1829)
Species Cardium discors Lamarck, 1805 † accepted as Cardium parisiense A. d'Orbigny, 1850 †
Species Cardium discors Montagu, 1803 accepted as Tellina pisiformis Linnaeus, 1758
Species Cardium discrepans T. Brown, 1827
Species Cardium discrepans Basterot, 1825 † accepted as Divaricardium discrepans (Basterot, 1825) †
Species Cardium dissimile J. De C. Sowerby, 1827 † accepted as Protocardia dissimilis (J. De C. Sowerby, 1827) †
Species Cardium distortum R. A. Philippi, 1845
Species Cardium diversum Fontannes, 1882 †
Species Cardium diversum Conrad, 1847 † accepted as Nemocardium diversum (Conrad, 1847) †
Species Cardium djanelidzei Kharatishvili, 1952 † accepted as Fragum djanelidzei (Kharatishvili, 1952) †
Species Cardium djugutulami Golubyatnikov, 1902 †
Species Cardium dolichum Suter, 1917 † accepted as Procardia dolicha (Suter, 1917) †
Species Cardium dombra Andrusov, 1902 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium domeykoanum R. A. Philippi, 1887 † accepted as Laevicardium (Mexicardia) procerum domeykoanum (R. A. Philippi, 1887) †
Species Cardium donaciforme Bruguière, 1789 accepted as Hemidonax donaciformis (Bruguière, 1789)
Species Cardium dongingii Sinzov, 1876 † accepted as Planacardium dongingii (Sinzov, 1876) †
Species Cardium doulouxi L. M. Vidal, 1874 †
Species Cardium dubium Münster, 1841 †
Species Cardium duboisi Mayer, 1856 † accepted as Panticapaea duboisi (Mayer, 1856) †
Species Cardium duboisi Mikhailovski, 1903 † accepted as Acanthocardia brocchii (Mayer, 1866) †
Species Cardium dulce Deshayes, 1863 accepted as Fulvia (Fulvia) dulcis (Deshayes, 1863)
Species Cardium dulcinea Dall, 1916 accepted as Cardium procerum G. B. Sowerby I, 1833
Species Cardium dupinianum A. d'Orbigny, 1844 † accepted as Integricardium dupinianum (A. d'Orbigny, 1844) †
Species Cardium dupuchense Reeve, 1845 accepted as Vasticardium dupuchense (Reeve, 1845)
Species Cardium duregnei Monterosato, 1891 accepted as Acanthocardia echinata (Linnaeus, 1758)
Species Cardium dyoniseum Buvignier, 1852 † accepted as Protocardia dyonisea (Buvignier, 1852) †
Species Cardium ebaranum Yokoyama, 1927 † accepted as Afrocardium richardi (Audouin, 1826)
Species Cardium ebersini V. P. Kolesnikov, 1950 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium eburniferum Guppy, 1869 accepted as Trachycardium isocardia (Linnaeus, 1758)
Species Cardium echinatum Linnaeus, 1758 accepted as Acanthocardia echinata (Linnaeus, 1758)
Species Cardium echinatum Bruguière, 1789 accepted as Cardium spinosum [Lightfoot], 1786
Species Cardium edentula Montagu, 1808 accepted as Cardium edentulum Montagu, 1808
Species Cardium edentulum Montagu, 1808 accepted as Cardium groenlandicum Mohr, 1786
Species Cardium edentulum Deshayes, 1838 † accepted as Pteradacna subedentula (A. d'Orbigny, 1852) †
Species Cardium edesma Almera & Bofill y Poch, 1894 † accepted as Euxinicardium edesma (Almera & Bofill y Poch, 1894) †
Species Cardium edule Linnaeus, 1758 accepted as Cerastoderma edule (Linnaeus, 1758)
Species Cardium eduliforme O. Boettger, 1875 †
Species Cardium edulina J. Sowerby, 1821 †
Species Cardium edwardsi Deshayes, 1858 † accepted as Nemocardium edwardsi (Deshayes, 1858) †
Species Cardium egmontianum Shuttleworth, 1856 accepted as Trachycardium (Trachycardium) egmontianum (Shuttleworth, 1856)
Species Cardium egregium Yokoyama, 1926 †
Species Cardium eichwaldi Reeve, 1845 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium eichwaldi Krynicki, 1837 accepted as Didacna eichwaldi (Krynicki, 1837)
Species Cardium eichwaldii Reeve, 1845 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium elatum G. B. Sowerby I, 1833 accepted as Laevicardium elatum (G. B. Sowerby I, 1833)
Species Cardium eldaricum V. P. Kolesnikov, 1950 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium elegantis Steklov, 1955 † accepted as Replidacna elegantis (Steklov, 1955) †
Species Cardium elegantulum Møller, 1842 accepted as Goethemia elegantula (Møller, 1842)
Species Cardium elegantulum Uspenskaja, 1931 † accepted as Aktschagylocardium uspenskaiae (V. P. Kolesnikov, 1950) †
Species Cardium elegantulum C. F. Roemer, 1849 † accepted as Liopistha elegantulata H. E. Vokes, 1956 †
Species Cardium elenense G. B. Sowerby II, 1840 accepted as Laevicardium elenense (G. B. Sowerby II, 1840)
Species Cardium elongatum Bruguière, 1789 accepted as Vasticardium elongatum (Bruguière, 1789)
Species Cardium elongatum Montagu, 1803 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium elongatum J. Sowerby, 1815 † accepted as Conocardium elongatum (J. Sowerby, 1815) †
Species Cardium emarginatum Deshayes, 1829 † accepted as Byssocardium emarginatum (Deshayes, 1829) †
Species Cardium emarginatum Deshayes, 1838 † accepted as Bosphoricardium aperturatum (Deshayes, 1853) †
Species Cardium enode G. B. Sowerby II, 1840 accepted as Vasticardium elongatum enode (G. B. Sowerby II, 1840)
Species Cardium erinaceum Lamarck, 1819 accepted as Acanthocardia spinosa ([Lightfoot], 1786)
Species Cardium erinaceus accepted as Cardium erinaceum Lamarck, 1819
Species Cardium erugatum Tate, 1889 accepted as Microfragum erugatum (Tate, 1889)
Species Cardium euglyptum G. B. Sowerby III, 1914 accepted as Afrocardium richardi (Audouin, 1826)
Species Cardium euroum A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium euryti A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium eversum Conrad, 1847 †
Species Cardium exasperatum G. B. Sowerby II, 1839 accepted as Frigidocardium exasperatum (G. B. Sowerby II, 1839)
Species Cardium exiguum Gmelin, 1791 accepted as Parvicardium exiguum (Gmelin, 1791)
Species Cardium exile Dunker, 1861 accepted as Parvicardium exiguum (Gmelin, 1791)
Species Cardium exstriatulum Sacco, 1899 accepted as Pratulum pulchellum (J. E. Gray, 1843)
Species Cardium fabricii Deshayes, 1855 accepted as Cardium groenlandicum Mohr, 1786
Species Cardium facetum Suter, 1917 † accepted as Glyptoactis faceta (Suter, 1917) †
Species Cardium fasciatum Gmelin, 1791 accepted as Acanthocardia tuberculata (Linnaeus, 1758)
Species Cardium fasciatum Montagu, 1808 accepted as Parvicardium pinnulatum (Conrad, 1831)
Species Cardium fasetum Zhizhchenko, 1936 † accepted as Cerastoderma arcellum bogatchevi (V. P. Kolesnikov, 1929) †
Species Cardium fastosum Yokoyama, 1927 † accepted as Keenocardium fastosum (Yokoyama, 1927) †
Species Cardium faustulum Barrande, 1881 † accepted as Amphicoelia fausta (Barrande, 1881) †
Species Cardium faustum Barrande, 1881 † accepted as Amphicoelia fausta (Barrande, 1881) †
Species Cardium fedrighinii Capellini, 1879 † accepted as Monodacna fedrighinii (Capellini, 1879) †
Species Cardium ferrugineum Brusina, 1874 † accepted as Lymnocardium (Budmania) ferrugineum (Brusina, 1874) †
Species Cardium ferruginosum Reeve, 1845 accepted as Trachycardium (Mexicardia) procerum (G. B. Sowerby I, 1833)
Species Cardium festivum Deshayes, 1855 accepted as Microfragum festivum (Deshayes, 1855)
Species Cardium fimbriatum W. Wood, 1815 accepted as Cardium coronatum Schröter, 1786
Species Cardium fimbriatum Lamarck, 1819 accepted as Cardium coronatum Spengler, 1799
Species Cardium finitima Grishkevich, 1961 † accepted as Replidacna finitima (Grishkevich, 1961) †
Species Cardium fischerianum Doenging, 1852 † accepted as Obsoletiformes fischerianus (Doenging, 1852) †
Species Cardium fischeriformis A. Papp, 1954 † accepted as Obsoletiformes fischeriformis (A. Papp, 1954) †
Species Cardium fittoni A. d'Orbigny, 1845 † accepted as Plicatiformes fittoni (A. d'Orbigny, 1845) †
Species Cardium fittoniforme Golubyatnikov, 1902 †
Species Cardium flavum Linnaeus, 1758 accepted as Vasticardium flavum (Linnaeus, 1758)
Species Cardium flexuosum Gmelin, 1791 accepted as Acanthocardia echinata (Linnaeus, 1758)
Species Cardium floridanum Heilprin, 1886 † accepted as Trachycardium egmontianum (Shuttleworth, 1856)
Species Cardium fontanum Étallon, 1863 †
Species Cardium formidolosum A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium formosum Deshayes, 1858 † accepted as Loxocardium formosum (Deshayes, 1858) †
Species Cardium fornasinianum Bianconi, 1856 accepted as Fulvia fragilis (Forsskål, 1775)
Species Cardium fornicatum G. B. Sowerby II, 1840 accepted as Ctenocardia fornicata (G. B. Sowerby II, 1840)
Species Cardium fornicatum A. A. Ali-Zade, 1967 † accepted as Cerastoderma siphonophorum (Andrusov, 1902) †
Species Cardium foucardi de Loriol, 1868 †
Species Cardium foveolatum G. B. Sowerby II, 1840 sensu Reeve, 1845 accepted as Acrosterigma punctolineatum Healy & Lamprell, 1992
Species Cardium foveolatum G. B. Sowerby II, 1840
Species Cardium fragile Forsskål, 1775 accepted as Fulvia fragilis (Forsskål, 1775)
Species Cardium fragile Reeve, 1845 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium fragile G. B. Sowerby II, 1840 accepted as Laevicardium tertium Fischer-Piette, 1977
Species Cardium fragile Brocchi, 1814 † accepted as Cardium crassum Gmelin, 1791
Species Cardium fragosum A. A. Ali-Zade, 1967 † accepted as Cerastoderma davidaschvilii (V. P. Kolesnikov, 1950) †
Species Cardium fragulinum Cossmann, 1896 † accepted as Cardium (Parvicardium) fragulinum Cossmann, 1896 †
Species Cardium fragum Linnaeus, 1758 accepted as Fragum fragum (Linnaeus, 1758)
Species Cardium fraterculus Deshayes, 1858 † accepted as Nemocardium fraterculus (Deshayes, 1858) †
Species Cardium fraternum Mayer, 1864 † accepted as Acrosterigma fraternum (Mayer, 1864) †
Species Cardium frausum de Loriol, 1868 †
Species Cardium friabile Krauss, 1852 † accepted as Limnopagetia friabilis (Krauss, 1852) †
Species Cardium fucanum Dall, 1907 accepted as Keenocardium blandum (A. Gould, 1850)
Species Cardium fucatum Spengler, 1799 accepted as Vasticardium flavum (Linnaeus, 1758)
Species Cardium fuchsi Neumayr, 1875 † accepted as Lymnocardium fuchsi (Neumayr, 1875) †
Species Cardium fuchsi Capellini, 1873 †
Species Cardium fuchsii [sic] † accepted as Cardium fuchsi Capellini, 1873 †
Species Cardium fugax Cossmann, 1886 † accepted as Parvicardium fugax (Cossmann, 1886) †
Species Cardium fultoni G. B. Sowerby III, 1916 accepted as Vasticardium fultoni (G. B. Sowerby III, 1916)
Species Cardium fusiformis Uspenskaja, 1931 † accepted as Aktschagylocardium trinacria (Andrusov, 1902) †
Species Cardium gabbii Rémond, 1863 † accepted as Pseudocardium densata (Conrad, 1857) †
Species Cardium gaditanum Gmelin, 1791 accepted as Glycymeris nummaria (Linnaeus, 1758)
Species Cardium gallicum Mayer, 1866 † accepted as Habecardium gallicum (Mayer, 1866) †
Species Cardium gatuevi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes gatuevi (V. P. Kolesnikov, 1929) †
Species Cardium georgii Rochebrune, 1882 †
Species Cardium geranicum K. A. Ali-Zade, 1954 † accepted as Raricardium naftalanicum (K. A. Ali-Zade, 1932) †
Species Cardium geranicum K. A. Ali-Zade, 1932 †
Species Cardium ghergutai Jekelius, 1944 † accepted as Obsoletiformes ghergutai (Jekelius, 1944) †
Species Cardium gibbosum J. Müller, 1851 †
Species Cardium gigas Defrance, 1817 † accepted as Habecardium gigas (Defrance, 1817) †
Species Cardium gilchristi G. B. Sowerby III, 1904 accepted as Microcardium gilchristi (G. B. Sowerby III, 1904)
Species Cardium girondicum Mayer, 1866 † accepted as Acanthocardia subserrigera (A. d'Orbigny, 1852) †
Species Cardium glabratum Römer, 1869 accepted as Laevicardium pristis (Bory de Saint-Vincent, 1827)
Species Cardium glabrum Münster, 1837 †
Species Cardium glaucum Bruguière, 1789 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium glaucum Poiret, 1789 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium glebosum Conrad, 1847 †
Species Cardium gleichenbergense A. Papp, 1954 † accepted as Replidacna nigra (Zhizhchenko, 1934) †
Species Cardium golubiatnikovi Andrusov, 1905 † accepted as Plagiocardium golubiatnikovi (Andrusov, 1905) †
Species Cardium golubiatnikowi Volkova, 1962 † accepted as Plagiocardium golubiatnikovi (Andrusov, 1905) †
Species Cardium gossei Deshayes, 1855 accepted as Dallocardia muricata (Linnaeus, 1758)
Species Cardium gourieffi Deshayes, 1838 † accepted as Pontalmyra gourieffi (Deshayes, 1838) †
Species Cardium gracile Rzehak, 1893 † accepted as Limnopagetia gracilis (Rzehak, 1893) †
Species Cardium gracile Pusch, 1836 † accepted as Plicatiformes plicatus (Eichwald, 1830) †
Species Cardium gracile Münster, 1837 † accepted as Spanila gracilis (Münster, 1837) †
Species Cardium gracilicostatum Jekelius, 1944 † accepted as Replidacna gracilicostata (Jekelius, 1944) †
Species Cardium grande R. A. Philippi, 1887 † accepted as Laevicardium (Mexicardia) procerum grande (R. A. Philippi, 1887) †
Species Cardium graniferum Broderip & G. B. Sowerby I, 1829 accepted as Trigoniocardia granifera (Broderip & G. B. Sowerby I, 1829)
Species Cardium granulosum Lamarck, 1805 † accepted as Plagiocardium granulosum (Lamarck, 1805) †
Species Cardium grateloupi Mayer, 1866 † accepted as Cardium hoernesianum M. Hörnes, 1861 †
Species Cardium gratiosum Deshayes, 1855 accepted as Vasticardium flavum (Linnaeus, 1758)
Species Cardium gratum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium gratum Defrance, 1829 † accepted as Orthocardium gratum (Defrance, 1829) †
Species Cardium greenoughi d'Archiac & Haime, 1854 † accepted as Maoricardium greenoughi (d'Archiac & Haime, 1854) †
Species Cardium greyi F. W. Hutton, 1873 † accepted as Hedecardium (Titanocardium) greyi (F. W. Hutton, 1873) †
Species Cardium groenlandicum Mohr, 1786 accepted as Serripes groenlandicus (Mohr, 1786)
Species Cardium groenlandicum Chemnitz, 1782 accepted as Cardium groenlandicum Mohr, 1786
Species Cardium guanacastense Hertlein & A. M. Strong, 1947 accepted as Americardia planicostata (G. B. Sowerby I, 1833)
Species Cardium gubkini K. A. Ali-Zade, 1932 † accepted as Aktschagylocardium tchandyricum (Uspenskaja, 1931) †
Species Cardium gudexi Laws, 1933 † accepted as Maoricardium gudexi (Laws, 1933) †
Species Cardium guerangeri A. d'Orbigny, 1844 †
Species Cardium guichardi Bernardi, 1857 accepted as Lunulicardia hemicardium (Linnaeus, 1758)
Species Cardium gulistanense Bobkova, 1956 †
Species Cardium guppyi Thiele, 1910 accepted as Americardia guppyi (Thiele, 1910)
Species Cardium haitense G. B. Sowerby I, 1850 †
Species Cardium halaense d'Archiac & Haime, 1854 †
Species Cardium hantkeni T. Fuchs, 1870 † accepted as Lymnocardium hantkeni (T. Fuchs, 1870) †
Species Cardium hantoniense Koenen, 1867 † accepted as Nemocardium hantoniense (Koenen, 1867) †
Species Cardium harpa Münster, 1837 † accepted as Flabelliphoria harpa (Münster, 1837) †
Species Cardium hastiloides K. A. Ali-Zade, 1941 † accepted as Aktschagylocardium uspenskaiae (V. P. Kolesnikov, 1950) †
Species Cardium hatchetigbeense Aldrich, 1886 † accepted as Schedocardia hatchetigbeensis (Aldrich, 1886) †
Species Cardium haueri M. Hörnes, 1861 † accepted as Lymnocardium haueri (M. Hörnes, 1861) †
Species Cardium hauniense G. H. Petersen & P. Russell, 1971 accepted as Parvicardium hauniense (G. H. Petersen & P. Russell, 1971)
Species Cardium hausmanni R. A. Philippi, 1847 †
Species Cardium hayesii W. Stimpson, 1864 accepted as Cardium ciliatum O. Fabricius, 1780
Species Cardium heeri Mayer-Eymar, 1859 † accepted as Parvicardium heeri (Mayer-Eymar, 1859) †
Species Cardium helleri Brusina, 1865 accepted as Parvicardium exiguum (Gmelin, 1791)
Species Cardium hemicardium Linnaeus, 1758 accepted as Lunulicardia hemicardium (Linnaeus, 1758)
Species Cardium hemimeris Tate, 1887 † accepted as Pratulum hemimeris (Tate, 1887) †
Species Cardium heteroclitum Lamarck, 1805 † accepted as Choniocardia heteroclita (Lamarck, 1805) †
Species Cardium hians Brocchi, 1814 † accepted as Cardium diluvianum Lamarck, 1819 †
Species Cardium hians Spengler, 1799 accepted as Cardium apertum Bruguière, 1789
Species Cardium hiatus Meuschen, 1787 accepted as Papyridea soleniformis (Bruguière, 1789)
Species Cardium hibernicum J. Sowerby, 1815 †
Species Cardium hillanum J. Sowerby, 1813 † accepted as Protocardia hillana (J. Sowerby, 1813) †
Species Cardium hirsutum Bronn, 1831 † accepted as Afrocardium hirsutum (Bronn, 1831) †
Species Cardium hispidiforme Davitashvili, 1932 † accepted as Parvicardium michelottii (Deshayes, 1850) †
Species Cardium hispidum Eichwald, 1830 † accepted as Papillicardium papillosum (Poli, 1791)
Species Cardium hiulcum Reeve, 1845 accepted as Papyridea hiulca (Reeve, 1845)
Species Cardium hoernesianum M. Hörnes, 1861 †
Species Cardium holubicense Hilber, 1882 † accepted as Parvicardium holubicense (Hilber, 1882) †
Species Cardium honi Nyst & Le Hon, 1862 † accepted as Nemocardium honi (Nyst & Le Hon, 1862) †
Species Cardium horneri d'Archiac & Haime, 1854 †
Species Cardium hornesi Deshayes, 1858 † accepted as Nemocardium hornesi (Deshayes, 1858) †
Species Cardium hoshmensilicum Uspenskaja, 1931 † accepted as Avicardium nikitini (Andrusov, 1902) †
Species Cardium hualpense R. A. Philippi, 1887 †
Species Cardium hudsoniense Deshayes, 1855 accepted as Parvicardium pinnulatum (Conrad, 1831)
Species Cardium humanum Römer, 1869 accepted as Cardium cardissa Linnaeus, 1758
Species Cardium humanum Linnaeus, 1758 accepted as Glossus humanus (Linnaeus, 1758)
Species Cardium hungaricum M. Hörnes, 1861 † accepted as Lymnocardium hungaricum (M. Hörnes, 1861) †
Species Cardium hungerfordi G. B. Sowerby III, 1901 accepted as Fulvia hungerfordi (G. B. Sowerby III, 1901)
Species Cardium huoti Deshayes, 1857 † accepted as Cardium subplanicostatum A. d'Orbigny, 1852 †
Species Cardium huttoni Ihering, 1907 †
Species Cardium hybridum Deshayes, 1829 † accepted as Orthocardium hybridum (Deshayes, 1829) †
Species Cardium hyrcanicum A. A. Ali-Zade, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium hystrix Reeve, 1844 accepted as Ctenocardia virgo (Reeve, 1845)
Species Cardium hystrix [Lightfoot], 1786 accepted as Acanthocardia echinata (Linnaeus, 1758)
Species Cardium icari A. A. Ali-Zade, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium ignotum A. A. Ali-Zade, 1967 † accepted as Raricardium konjuschevski (K. A. Ali-Zade, 1932) †
Species Cardium imago A. A. Ali-Zade, 1967 † accepted as Miricardium alexinum (Cheltsov, 1964) †
Species Cardium imbricatum G. B. Sowerby II, 1840 accepted as Ctenocardia virgo (Reeve, 1845)
Species Cardium imbricatum Born, 1778 accepted as Fragum fragum (Linnaeus, 1758)
Species Cardium impar Zhizhchenko, 1936 † accepted as Acanthocardia centumpania (Andrusov, 1911) †
Species Cardium impeditum Deshayes, 1858 † accepted as Loxocardium impeditum (Deshayes, 1858) †
Species Cardium impolitum G. B. Sowerby II, 1834 accepted as Acrosterigma impolitum (G. B. Sowerby II, 1834)
Species Cardium impressum [Lightfoot], 1786 accepted as Corculum impressum ([Lightfoot], 1786)
Species Cardium impressum Leymerie, 1842 † accepted as Protocardia vindovera Pacaud, 2024 †
Species Cardium inaspectum A. A. Ali-Zade, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium incarnatum Reeve, 1844 accepted as Vepricardium incarnatum (Reeve, 1844)
Species Cardium incertum Deshayes, 1838 † accepted as Pontalmyra incerta (Deshayes, 1838) †
Species Cardium incertum Goldfuss, 1837 †
Species Cardium incomptum G. B. Sowerby I, 1846 †
Species Cardium inconspicuum Guppy, 1866 † accepted as Cardium (Trachycardium) inconspicuum Guppy, 1866 †
Species Cardium incurvatum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes incurvatus (V. P. Kolesnikov, 1929) †
Species Cardium indicum Lamarck, 1819 accepted as Procardium indicum (Lamarck, 1819)
Species Cardium induratum Zhizhchenko, 1936 † accepted as Parvicardium michelottii (Deshayes, 1850) †
Species Cardium infantule Nomura & Zinbo, 1934 † accepted as Afrocardium exochum (Melvill, 1907)
Species Cardium inflatum Sinzov, 1875 † accepted as Aviculocardium inflatum (Sinzov, 1875) †
Species Cardium ingratum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obsoletus ingratus (V. P. Kolesnikov, 1929) †
Species Cardium ingratum Deshayes, 1858 † accepted as Loxocardium ingratum (Deshayes, 1858) †
Species Cardium ingustatum A. A. Ali-Zade & Kabakova, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium inopinatum Grishkevich, 1961 † accepted as Replidacna inopinata (Grishkevich, 1961) †
Species Cardium inornatum A. d'Orbigny, 1844 †
Species Cardium insculptum Dujardin, 1837 †
Species Cardium insperatum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium intermedium (Eichwald, 1841) † accepted as Turcmena intermedia (Eichwald, 1841) †
Species Cardium intermedium Münster, 1837 †
Species Cardium interruptum S. V. Wood, 1853 † accepted as Cardium ciliatum O. Fabricius, 1780
Species Cardium intextum Münster, 1837 † accepted as Protocardia intexta (Münster, 1837) †
Species Cardium inversum Lamarck, 1819 accepted as Cardium cardissa Linnaeus, 1758
Species Cardium invidiosum A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium iphiti A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium irregulare Eichwald, 1830 † accepted as Obsoletiformes irregularis (Eichwald, 1830) †
Species Cardium irrepertum A. A. Ali-Zade, 1967 † accepted as Cerastoderma siphonophorum (Andrusov, 1902) †
Species Cardium irrisor Uspenskaja, 1931 † accepted as Avicardium mainacaricum (Andrusov, 1905) †
Species Cardium islandicum Bruguière, 1789 accepted as Cardium ciliatum O. Fabricius, 1780
Species Cardium islandicum Chemnitz, 1782 accepted as Cardium islandicum Bruguière, 1789
Species Cardium isocardia Linnaeus, 1758 accepted as Trachycardium isocardia (Linnaeus, 1758)
Species Cardium isthmicum Issel, 1869 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium jacquemonti d'Archiac & Haime, 1854 †
Species Cardium janoscheki A. Papp, 1954 † accepted as Replidacna janoscheki (A. Papp, 1954) †
Species Cardium janusi A. A. Ali-Zade, 1967 † accepted as Cerastoderma siphonophorum (Andrusov, 1902) †
Species Cardium japonicum Dunker, 1860 accepted as Fulvia mutica (Reeve, 1844)
Species Cardium jasoni A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Cerastoderma davidaschvilii (V. P. Kolesnikov, 1950) †
Species Cardium jekechanensis A. A. Ali-Zade & Baba-Zade, 1969 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium jucundum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium jugatum Krauss, 1852 †
Species Cardium jumudicum Uspenskaja, 1931 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium junoniae Lamarck, 1819 accepted as Corculum impressum ([Lightfoot], 1786)
Species Cardium kaiparaensis P. Marshall, 1918 † accepted as Glyptoactis (Fasciculicardia) subintermedia (Suter, 1917) †
Species Cardium kalamantanum A. Adams & Reeve, 1850 accepted as Lyrocardium lyratum (G. B. Sowerby II, 1840)
Species Cardium kambai A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium kamishense Uspenskaja, 1931 † accepted as Avicardium kamishense (Uspenskaja, 1931) †
Species Cardium kansasense Meek, 1871 † accepted as Pleuriocardia kansasense (Meek, 1871) †
Species Cardium karabugasicum Sidorova, 1961 † accepted as Obsoletiformes karabugasicus (Sidorova, 1961) †
Species Cardium karagiense Sidorova, 1961 † accepted as Obsoletiformes karagiensis (Sidorova, 1961) †
Species Cardium karajmanicum Andrusov, 1905 †
Species Cardium karelini Andrusov, 1902 † accepted as Cerastoderma karelini (Andrusov, 1902) †
Species Cardium karreri T. Fuchs, 1873 † accepted as Lymnocardium karreri (T. Fuchs, 1873) †
Species Cardium kasinkense V. P. Kolesnikov, 1929 † accepted as Plicatiformes plicatus (Eichwald, 1830) †
Species Cardium kaundense Sidorova, 1961 † accepted as Obsoletiformes kaundensis (Sidorova, 1961) †
Species Cardium kazanbulagense A. A. Ali-Zade & Kabakova, 1967 † accepted as Avicardium kazanbulagense (A. A. Ali-Zade & Kabakova, 1967) †
Species Cardium kazancekense A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium kenyanum L. R. Cox, 1930 † accepted as Vasticardium kenyanum (L. R. Cox, 1930) †
Species Cardium kerkentchicum A. A. Ali-Zade & Petrova, 1969 † accepted as Raricardium konjuschevski (K. A. Ali-Zade, 1932) †
Species Cardium ketini Özsayar, 1977 †
Species Cardium kishinevense V. P. Kolesnikov, 1929 † accepted as Obsoletiformes kishinevensis (V. P. Kolesnikov, 1929) †
Species Cardium kobelti Maltzan, 1885 accepted as Europicardium serrulatum (Deshayes, 1855)
Species Cardium kochi O. Semper, 1861 † accepted as Parvicardium kochi (O. Semper, 1861) †
Species Cardium kokkupicum Andrusov, 1917 †
Species Cardium kolenatii Rzehak, 1893 † accepted as Limnopagetia ammoni (Rzehak, 1893) †
Species Cardium kolesnikovi Davitashvili, 1932 † accepted as Obsoletiforma beaumontiana ("A. d'Orbigny, 1844") †
Species Cardium konjuschevski K. A. Ali-Zade, 1932 † accepted as Raricardium konjuschevski (K. A. Ali-Zade, 1932) †
Species Cardium konjuschewskii [sic] † accepted as Raricardium konjuschevski (K. A. Ali-Zade, 1932) †
Species Cardium konschini Andrusov, 1902 † accepted as Cerastoderma konschini (Andrusov, 1902) †
Species Cardium kraussi Mayer, 1876 † accepted as Limnopagetia kraussi (Mayer, 1876) †
Species Cardium kubanicum Zhizhchenko, 1936 † accepted as Parvicardium kubanicum (Zhizhchenko, 1936) †
Species Cardium kuebeckii Hauer, 1847 † accepted as Fragum kuebeckii (Hauer, 1847) †
Species Cardium kumli Uspenskaja, 1931 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium kumuchicum Andrusov, 1902 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium kupradzei Kharatishvili, 1952 † accepted as Acanthocardia kupradzei (Kharatishvili, 1952) †
Species Cardium kurendagense A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium lacunosum Reeve, 1845 accepted as Vasticardium assimile lacunosum (Reeve, 1845)
Species Cardium laeve J. E. Gray, 1838
Species Cardium laevicosta Almera & Bofill y Poch, 1894 †
Species Cardium laevigatoloweni V. P. Kolesnikov, 1929 † accepted as Kubanocardium laevigatoloweni (V. P. Kolesnikov, 1929) †
Species Cardium laevigatum Linnaeus, 1758 accepted as Fulvia laevigata (Linnaeus, 1758)
Species Cardium laeviusculum Capellini, 1879 † accepted as Lymnocardium laeviusculum (Capellini, 1879) †
Species Cardium lamaeforme d'Archiac & Haime, 1854 †
Species Cardium lamarcki Reeve, 1845 accepted as Cardium lamarckii Reeve, 1845
Species Cardium lamarckii Reeve, 1845 accepted as Cerastoderma lamarcki (Reeve, 1845)
Species Cardium lamarckii A. d'Orbigny, 1846 accepted as Cardium brasilianum Lamarck, 1819
Species Cardium lamellatum Spengler, 1799 accepted as Vepricardium asiaticum (Bruguière, 1789)
Species Cardium landbecki R. A. Philippi, 1887 †
Species Cardium landeronense de Loriol, 1869 †
Species Cardium laperousii Deshayes, 1839 accepted as Serripes (Serripes) laperousii (Deshayes, 1839)
Species Cardium laqueatum Conrad, 1838 † accepted as Cerastoderma laqueatum (Conrad, 1838) †
Species Cardium laticostatum G. B. Sowerby I, 1833 accepted as Cardium procerum G. B. Sowerby I, 1833
Species Cardium laticostatum Mayer-Eymar, 1898 † accepted as Cardium paucicostatum G. B. Sowerby II, 1834
Species Cardium laticostatum Cheltsov, 1965 † accepted as Cerastoderma karelini (Andrusov, 1902) †
Species Cardium latisulcum Münster, 1837 † accepted as Plicatiformes latisulcus (Münster, 1837) †
Species Cardium lattorfense Koenen, 1893 † accepted as Nemocardium lattorfense (Koenen, 1893) †
Species Cardium latum Born, 1778 accepted as Papyridea lata (Born, 1778)
Species Cardium latum A. A. Ali-Zade, 1967 † accepted as Cerastoderma davidaschvilii (V. P. Kolesnikov, 1950) †
Species Cardium latum Münster, 1837 †
Species Cardium lavrani Fischer-Piette, 1977 accepted as Cardium turtoni G. B. Sowerby III, 1894
Species Cardium lawley Capellini, 1880 † accepted as Lymnocardium lawley (Capellini, 1880) †
Species Cardium laxum Dall, 1901 accepted as Trachycardium (Trachycardium) consors (G. B. Sowerby I, 1833)
Species Cardium laytoni J. Morris, 1854 † accepted as Cardium plumstedianum J. Sowerby, 1813 †
Species Cardium lecanoideum Andrusov, 1902 † accepted as Avicardium lecanoideum (Andrusov, 1902) †
Species Cardium lectotis Fontannes, 1882 † accepted as Didacna lectosis (Fontannes, 1882) †
Species Cardium lemanei Étallon, 1863 †
Species Cardium lenacoldium [sic] † accepted as Avicardium lecanoideum (Andrusov, 1902) †
Species Cardium lengebisicum A. A. Ali-Zade & Baba-Zade, 1969 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium lenzi R. Hoernes, 1874 † accepted as Paradacna lenzi (R. Hoernes, 1874) †
Species Cardium leognanense Mayer, 1866 † accepted as Acanthocardia leognanensis (Mayer, 1866) †
Species Cardium lepidum Sauvage & Rigaux, 1872 † accepted as Protocardia lepida (Sauvage & Rigaux, 1872) †
Species Cardium leucostomum Born, 1780 accepted as Cardium magnum Linnaeus, 1758
Species Cardium leve Anton, 1838 accepted as Vepricardium multispinosum (G. B. Sowerby II, 1839)
Species Cardium leve A. A. Ali-Zade, 1967 †
Species Cardium levesquei A. d'Orbigny, 1850 † accepted as Parvicardium levesquei (A. d'Orbigny, 1850) †
Species Cardium levisulcatum E. A. Smith, 1903 accepted as Fragum erugatum (Tate, 1889)
Species Cardium lima Schröter, 1786 accepted as Vepricardium asiaticum (Bruguière, 1789)
Species Cardium lima Reeve, 1845 accepted as Dallocardia muricata (Linnaeus, 1758)
Species Cardium lima Lamarck, 1805 † accepted as Cardium sublima A. d'Orbigny, 1850 †
Species Cardium limosum Cheltsov, 1965 † accepted as Acobaecardium akobae (Cheltsov, 1965) †
Species Cardium lincolnensis C. E. Weaver, 1916 †
Species Cardium lineatum Gmelin, 1791 accepted as Laevicardium serratum (Linnaeus, 1758)
Species Cardium lineatum Münster, 1837 †
Species Cardium lingualeonis Guppy, 1866 † accepted as Phlogocardia lingualeonis (Guppy, 1866) †
Species Cardium lingulatum Lycett, 1863 †
Species Cardium lini A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium linteum Conrad, 1855 † accepted as Nemocardium linteum (Conrad, 1855) †
Species Cardium lithocardium Linnaeus, 1771 † accepted as Avicularium lithocardium (Linnaeus, 1771) †
Species Cardium lithopodolicum Du Bois de Montpéreux, 1831 † accepted as Obsoletiformes lithopodolicus (Du Bois de Montpéreux, 1831) †
Species Cardium litorosum A. A. Ali-Zade & Kabakova, 1967 † accepted as Avicardium litorosum (A. A. Ali-Zade & Kabakova, 1967) †
Species Cardium littorale Eichwald, 1850 † accepted as Pseudoprosodacna littoralis (Eichwald, 1850) †
Species Cardium liverovskayae Merklin, 1950 † accepted as Parvicardium liverovskayae (Merklin, 1950) †
Species Cardium lobulatum Deshayes, 1855 accepted as Pseudofulvia lobulata (Deshayes, 1855)
Species Cardium longipes Grimm, 1877 accepted as Didacna longipes (Grimm, 1877)
Species Cardium loricatum Goldfuss, 1837 †
Species Cardium loroisii Hupé, 1856 accepted as Cardium muticum Reeve, 1844
Species Cardium loveni W. Thompson, 1845 accepted as Parvicardium minimum (R. A. Philippi, 1836)
Species Cardium loweni Sinzov, 1875 † accepted as Kubanocardium loweni (Sinzov, 1875) †
Species Cardium lubricum A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium lucernense Mayer-Eymar, 1887 †
Species Cardium lucinoides P. P. Carpenter, 1857 accepted as Cardites crassicostatus (G. B. Sowerby I, 1825)
Species Cardium lunatum Deshayes, 1857 † accepted as Lunulacardium semistriatum Münster, 1840 †
Species Cardium lunulatum G. Seguenza, 1880 † accepted as Acanthocardia lunulata (G. Seguenza, 1880) †
Species Cardium luppovi A. A. Ali-Zade, 1967 † accepted as Andrusovicardium radiiferum (Andrusov, 1902) †
Species Cardium lutarium A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium luteolabrum A. Gould, 1851 accepted as Cardium quadragenarium Conrad, 1837
Species Cardium lutraense A. A. Ali-Zade & Petrova, 1969 † accepted as Cerastoderma davidaschvilii (V. P. Kolesnikov, 1950) †
Species Cardium lyratum G. B. Sowerby II, 1840 accepted as Lyrocardium lyratum (G. B. Sowerby II, 1840)
Species Cardium macoveii Simionescu & Barbu, 1940 †
Species Cardium macrodon Deshayes, 1838 † accepted as Prosodacna (Prosodacna) macrodon (Deshayes, 1838) †
Species Cardium maculatum Gmelin, 1791 accepted as Dinocardium robustum ([Lightfoot], 1786)
Species Cardium maculatum G. B. Sowerby II, 1840 accepted as Acrosterigma pristipleura (Dall, 1901)
Species Cardium maculosum G. B. Sowerby I, 1833 accepted as Acrosterigma pristipleura (Dall, 1901)
Species Cardium maculosum W. Wood, 1815 accepted as Acrosterigma maculosum (W. Wood, 1815)
Species Cardium madridi d'Archiac, 1843 † accepted as Sphaeriola madridi (d'Archiac, 1843) †
Species Cardium maeoticum Davitashvili, 1930 † accepted as Cerastoderma arcellum mithridatis (Andrusov, 1890) †
Species Cardium magellanicum R. A. Philippi, 1887 †
Species Cardium magnificum P. P. Carpenter, 1857 accepted as Americardia biangulata (Broderip & G. B. Sowerby I, 1829)
Species Cardium magnum Born, 1778 accepted as Dinocardium robustum ([Lightfoot], 1786)
Species Cardium magnum Linnaeus, 1758 accepted as Acrosterigma magnum (Linnaeus, 1758)
Species Cardium mailleanum A. d'Orbigny, 1844 †
Species Cardium mainacaricum Andrusov, 1905 † accepted as Avicardium mainacaricum (Andrusov, 1905) †
Species Cardium majeri M. Hörnes, 1861 † accepted as Arpadicardium majeri (M. Hörnes, 1861) †
Species Cardium manthelaniense Dollfus & Dautzenberg, 1888 †
Species Cardium manyense Kókay, 1967 †
Species Cardium maorinum Suter, 1917 † accepted as Procardia dolicha (Suter, 1917) †
Species Cardium mareoticum Pallary, 1912 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium marginatum Goldfuss, 1837 †
Species Cardium marmoreum Lamarck, 1819 accepted as Acrosterigma magnum (Linnaeus, 1758)
Species Cardium martini O. Boettger, 1880 †
Species Cardium maschrikovi A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium mauritianum Deshayes, 1855 accepted as Acrosterigma mauritianum (Deshayes, 1855)
Species Cardium maxicostatum ter Poorten, 2007
Species Cardium mediosulcatum Tate & Basedow, 1902 † accepted as Fulvia mediosulcata (Tate & Basedow, 1902) †
Species Cardium medium Linnaeus, 1758 accepted as Americardia media (Linnaeus, 1758)
Species Cardium mendanaense G. B. Sowerby III, 1897 accepted as Vasticardium mendanaense (G. B. Sowerby III, 1897)
Species Cardium messarianicum A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium michailowii Toula, 1892 † accepted as Obsoletiformes michailowii (Toula, 1892) †
Species Cardium michelottianum M. Hörnes, 1861 †
Species Cardium michelottiii Deshayes, 1850 † accepted as Parvicardium michelottii (Deshayes, 1850) †
Species Cardium millelocum Sidorova, 1961 † accepted as Obsoletiformes fischeriformis milleloca (Sidorova, 1961) †
Species Cardium mindanense Reeve, 1844 accepted as Vasticardium mindanense (Reeve, 1844)
Species Cardium mingetschauricum K. A. Ali-Zade, 1941 † accepted as Aktschagylocardium uspenskaiae (V. P. Kolesnikov, 1950) †
Species Cardium minimum R. A. Philippi, 1836 accepted as Parvicardium minimum (R. A. Philippi, 1836)
Species Cardium minutum Lamarck, 1819
Species Cardium mirabile Deshayes, 1855 accepted as Vepricardium incarnatum (Reeve, 1844)
Species Cardium mirandum A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium mirum A. A. Ali-Zade, 1967 † accepted as Raricardium konjuschevski (K. A. Ali-Zade, 1932) †
Species Cardium miserabile A. A. Ali-Zade, 1967 † accepted as Avicardium miserabile (A. A. Ali-Zade, 1967) †
Species Cardium mite A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium mithridatis Andrusov, 1890 † accepted as Cerastoderma arcellum mithridatis (Andrusov, 1890) †
Species Cardium modestum A. Adams & Reeve, 1850 accepted as Keenaea samarangae (Makiyama, 1934)
Species Cardium modestum R. A. Philippi, 1849 accepted as Cardium impolitum G. B. Sowerby II, 1834
Species Cardium modicum A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium modiolare Rousseau, 1842 † accepted as Plagiodacna modiolaris (Rousseau, 1842) †
Species Cardium modiolopsis K. A. Ali-Zade, 1932 † accepted as Aktschagylocardium trinacria (Andrusov, 1902) †
Species Cardium moeschanum M. Hörnes, 1861 †
Species Cardium moldavicum Simionescu & Barbu, 1940 †
Species Cardium moloti Staadt, 1913 † accepted as Orthocardium moloti (Staadt, 1913) †
Species Cardium moniletectum Tate, 1887 † accepted as Hedecardium moniletectum (Tate, 1887) †
Species Cardium monopteris A. A. Ali-Zade & Petrova, 1969 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium monstrosum Gmelin, 1791 accepted as Corculum monstrosum (Gmelin, 1791)
Species Cardium monstrosum Chemnitz, 1782 accepted as Cardium monstrosum Gmelin, 1791
Species Cardium montense É. Vincent, 1930 † accepted as Loxocardium montense (É. Vincent, 1930) †
Species Cardium montignyacum de Loriol, 1868 †
Species Cardium moravicum Rzehak, 1883 † accepted as Limnopagetia moravica (Rzehak, 1883) †
Species Cardium morinicum de Loriol, 1866 †
Species Cardium morleti de Raincourt, 1870 † accepted as Orthocardium morleti (de Raincourt, 1870) †
Species Cardium morosanui Simionescu & Barbu, 1940 †
Species Cardium morosum de Loriol, 1872 †
Species Cardium mortoni Conrad, 1831 accepted as Laevicardium mortoni (Conrad, 1831)
Species Cardium moutonianum A. d'Orbigny, 1844 †
Species Cardium mucronatum Poli, 1791 accepted as Acanthocardia echinata (Linnaeus, 1758)
Species Cardium multicostatum Brocchi, 1814 † accepted as Europicardium multicostatum (Brocchi, 1814) †
Species Cardium multicostatum J. Phillips, 1829 † accepted as Tutcheria submulticostata (A. d'Orbigny, 1850) †
Species Cardium multipunctatum G. B. Sowerby I, 1833 accepted as Laevicardium multipunctatum (G. B. Sowerby I, 1833)
Species Cardium multiradiatum G. B. Sowerby I, 1846 † accepted as Trachycardium multiradiatum (G. B. Sowerby I, 1846) †
Species Cardium multispinosum G. B. Sowerby II, 1839 accepted as Vepricardium multispinosum (G. B. Sowerby II, 1839)
Species Cardium multisquamatum Deshayes, 1858 † accepted as Loxocardium multisquamatum (Deshayes, 1858) †
Species Cardium multistriatum G. B. Sowerby I, 1833 accepted as Cardium maculosum W. Wood, 1815
Species Cardium multistriatum Rousseau, 1842 † accepted as Pontalmyra multistriata (Rousseau, 1842) †
Species Cardium multisulcatum R. A. Philippi, 1887 †
Species Cardium mundum Reeve, 1845 accepted as Fragum mundum (Reeve, 1845)
Species Cardium muricatum Linnaeus, 1758 accepted as Dallocardia muricata (Linnaeus, 1758)
Species Cardium muticum Reeve, 1844 accepted as Fulvia (Fulvia) mutica (Reeve, 1844)
Species Cardium mytiloides Münster, 1837 †
Species Cardium naftalanicum K. A. Ali-Zade, 1932 † accepted as Raricardium naftalanicum (K. A. Ali-Zade, 1932) †
Species Cardium nalivkini V. P. Kolesnikov, 1929 † accepted as Obsoletiformes nalivkini (V. P. Kolesnikov, 1929) †
Species Cardium naphtalanicum [sic] † accepted as Raricardium naftalanicum (K. A. Ali-Zade, 1932) †
Species Cardium nasimi A. A. Ali-Zade, 1967 † accepted as Miricardium alexinum (Cheltsov, 1964) †
Species Cardium natalense Krauss, 1848 accepted as Fulvia natalensis (Krauss, 1848)
Species Cardium natalensis [sic] accepted as Cardium natalense Krauss, 1848
Species Cardium nebulosum Reeve, 1845 accepted as Acrosterigma simplex (Spengler, 1799)
Species Cardium nefandum V. P. Kolesnikov, 1935 † accepted as Obsoletiformes nefanda (V. P. Kolesnikov, 1935) †
Species Cardium negativum Andrusov, 1909 †
Species Cardium neglectum Hölzl, 1962 † accepted as Parvicardium neglectum (Hölzl, 1962) †
Species Cardium neozelandicum Deshayes, 1857 accepted as Pratulum pulchellum (J. E. Gray, 1843)
Species Cardium neptuni Goldfuss, 1837 † accepted as Gervillaria neptuni (Goldfuss, 1837) †
Species Cardium neumayri T. Fuchs, 1873 † accepted as Prosodacna neumayri (T. Fuchs, 1873) †
Species Cardium nicolletti Conrad, 1841 † accepted as Nemocardium nicolletti (Conrad, 1841) †
Species Cardium niger Zhizhchenko, 1934 † accepted as Replidacna nigra (Zhizhchenko, 1934) †
Species Cardium nikitini Andrusov, 1902 † accepted as Avicardium nikitini (Andrusov, 1902) †
Species Cardium nitens J. Sowerby, 1813 † accepted as Nemocardium nitens J. Sowerby, 1813 †
Species Cardium nivale Reeve, 1845 accepted as Fragum nivale (Reeve, 1845)
Species Cardium nodosum Montagu, 1803 sensu W. Turton, 1822 accepted as Parvicardium scabrum (R. A. Philippi, 1844)
Species Cardium nodosum A. A. Ali-Zade & Ribina, 1974 †
Species Cardium nodosum Montagu, 1803 accepted as Cardium tuberculatum Linnaeus, 1758
Species Cardium nodulosum Spengler, 1799 accepted as Americardia media (Linnaeus, 1758)
Species Cardium noeggerathi J. Müller, 1851 †
Species Cardium nomurai Kuroda & T. Habe, 1951 † accepted as Trifaricardium nomurai (Kuroda & T. Habe, 1951) †
Species Cardium norvegicum Spengler, 1799 accepted as Laevicardium crassum (Gmelin, 1791)
Species Cardium novakovskii Andrusov, 1902 † accepted as Cerastoderma konschini (Andrusov, 1902) †
Species Cardium novarossicum Barbot de Marny, 1869 † accepted as Pontalmyra novarossica (Barbot de Marny, 1869) †
Species Cardium nuttallii Conrad, 1837 accepted as Clinocardium nuttallii (Conrad, 1837)
Species Cardium nux da Costa, 1778 accepted as Sphaerium corneum (Linnaeus, 1758)
Species Cardium obesum R. A. Philippi, 1887 †
Species Cardium obliquatum Aradas, 1847 † accepted as Papillicardium aradasi (Crema, 1903) †
Species Cardium obliquatum R. A. Philippi, 1887 †
Species Cardium obliquoobsoletum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obliquoobsoletus (V. P. Kolesnikov, 1929) †
Species Cardium obliquum Spengler, 1799 accepted as Dinocardium robustum ([Lightfoot], 1786)
Species Cardium oblongatum Solander, 1766 †
Species Cardium oblongum Gmelin, 1791 accepted as Laevicardium oblongum (Gmelin, 1791)
Species Cardium oblongum Chemnitz, 1782 accepted as Cardium oblongum Gmelin, 1791
Species Cardium oblongum Aliyeva, 1967 † accepted as Avicardium kamishense (Uspenskaja, 1931) †
Species Cardium obovale G. B. Sowerby I, 1833 accepted as Apiocardia obovalis (G. B. Sowerby I, 1833)
Species Cardium obsoletiformis V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obsoletiformis (V. P. Kolesnikov, 1929) †
Species Cardium obsoletum Spengler, 1799 accepted as Laevicardium oblongum (Gmelin, 1791)
Species Cardium obsoletum Eichwald, 1830 † accepted as Obsoletiformes obsoletus (Eichwald, 1830) †
Species Cardium obtritum Locard, 1886 accepted as Cerastoderma edule (Linnaeus, 1758)
Species Cardium obtusangulum R. A. Philippi, 1887 †
Species Cardium odessae Barbot de Marny, 1869 † accepted as Tauricardium odessae (Barbot de Marny, 1869) †
Species Cardium olisiponense Sharpe, 1850 †
Species Cardium olteniae Ionescu-Argetoaia, 1918 † accepted as Tauricardium olteniae (Ionescu-Argetoaia, 1918) †
Species Cardium oneroaensis A. W. B. Powell, 1938 † accepted as Maoricardium oneroaense (A. W. B. Powell, 1938) †
Species Cardium opiparum A. A. Ali-Zade, 1967 † accepted as Miricardium opiparum (A. A. Ali-Zade, 1967) †
Species Cardium orarium A. A. Ali-Zade, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium orbita Broderip & G. B. Sowerby I, 1833 accepted as Vasticardium orbita (Broderip & G. B. Sowerby I, 1833)
Species Cardium orbus Uspenskaja, 1931 † accepted as Avicardium nikitini (Andrusov, 1902) †
Species Cardium oriovacense Neumayr, 1875 † accepted as Plagiodacna carinata (Deshayes, 1838) †
Species Cardium ornatum Eichwald, 1855 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium ornatum G. B. Sowerby III, 1877 accepted as Vasticardium fultoni (G. B. Sowerby III, 1916)
Species Cardium orphei A. A. Ali-Zade, 1967 † accepted as Andrusovicardium radiiferum (Andrusov, 1902) †
Species Cardium ovale G. B. Sowerby II, 1840 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium ovalum Aliyeva, 1967 † accepted as Cerastoderma davidaschvilii (V. P. Kolesnikov, 1950) †
Species Cardium ovatum Deshayes, 1838 † accepted as Pontalmyra ovata (Deshayes, 1838) †
Species Cardium oviputamen Reeve, 1844 accepted as Laevicardium serratum (Linnaeus, 1758)
Species Cardium ovuloides Reeve, 1845 accepted as Apiocardia obovalis (G. B. Sowerby I, 1833)
Species Cardium oxi A. A. Ali-Zade, 1967 † accepted as Avicardium miserabile (A. A. Ali-Zade, 1967) †
Species Cardium oxygonum G. B. Sowerby II, 1834 accepted as Acrosterigma oxygonum (G. B. Sowerby II, 1834)
Species Cardium pacatum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium paleobrocchii Hylleberg, 2014 † accepted as Cardium diluvianum Lamarck, 1819 †
Species Cardium palibini K. A. Ali-Zade, 1932 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium pallassianum Basterot, 1825 † accepted as Loxocardium pallassianum (Basterot, 1825) †
Species Cardium pallidum Reeve, 1845 accepted as Fulvia tenuicostata (Lamarck, 1819)
Species Cardium palmatum Goldfuss, 1837 †
Species Cardium panamense G. B. Sowerby I, 1833 accepted as Cardium procerum G. B. Sowerby I, 1833
Species Cardium paniselense G. Vincent, 1882 † accepted as Orthocardium paniselense (G. Vincent, 1882) †
Species Cardium panticapaeum R. Hoernes, 1874 † accepted as Pontalmyra panticapaeum (R. Hoernes, 1874) †
Species Cardium paoluccii Capellini, 1879 † accepted as Lymnocardium paoluccii (Capellini, 1879) †
Species Cardium papillosum Poli, 1791 accepted as Papillicardium papillosum (Poli, 1791)
Species Cardium papyraceum Bruguière, 1789 accepted as Fulvia (Fulvia) laevigata (Linnaeus, 1758)
Species Cardium papyraceum Schröter, 1788 accepted as Fulvia (Fulvia) laevigata (Linnaeus, 1758)
Species Cardium papyraceum Chemnitz, 1782 accepted as Cardium papyraceum Bruguière, 1789
Species Cardium papyraceum Sinzov, 1875 †
Species Cardium parasitum O. G. Costa, 1839 accepted as Parvicardium subangulatum (Scacchi, 1833)
Species Cardium parile Deshayes, 1858 † accepted as Nemocardium parile (Deshayes, 1858) †
Species Cardium parisiense A. d'Orbigny, 1850 † accepted as Discors parisiense (A. d'Orbigny, 1850) †
Species Cardium parkinsoni J. Sowerby, 1814 † accepted as Cerastoderma parkinsoni (J. Sowerby, 1814) †
Species Cardium partschi Mayer, 1871 † accepted as Pontalmyra partschi (Mayer, 1871) †
Species Cardium parvulum C.-C. Li, 1930 accepted as Cardium procerum G. B. Sowerby I, 1833
Species Cardium parvulum Dunker, 1861
Species Cardium parvulum T. Fuchs, 1870 † accepted as Lymnocardium parvulum (T. Fuchs, 1870) †
Species Cardium parvulum K. Martin, 1879 †
Species Cardium parvum R. A. Philippi, 1844 accepted as Parvicardium exiguum (Gmelin, 1791)
Species Cardium parvum G. B. Sowerby II, 1839 accepted as Microfragum festivum (Deshayes, 1855)
Species Cardium parvum da Costa, 1778 accepted as Acanthocardia echinata (Linnaeus, 1758)
Species Cardium patroclis A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium patruelinum Deshayes, 1858 † accepted as Loxocardium patruelinum (Deshayes, 1858) †
Species Cardium patulum F. W. Hutton, 1873 † accepted as Nemocardium patulum (F. W. Hutton, 1873) †
Species Cardium paucicostatum G. B. Sowerby II, 1834 accepted as Acanthocardia paucicostata (G. B. Sowerby II, 1834)
Species Cardium paucicostatum Deshayes, 1838 † accepted as Pontalmyra kamyshburunensis (Kafanov, 1980) †
Species Cardium pauperculum Yokoyama, 1923 †
Species Cardium pectinatum Linnaeus, 1758 sensu Lamarck, 1819 accepted as Lyrocardium aeolicum (Born, 1778)
Species Cardium pectinatum Linnaeus, 1758 accepted as Ctena eburnea (Gmelin, 1791)
Species Cardium pectinatum G. Young & Bird, 1822 † accepted as Protocardia truncata (J. De C. Sowerby, 1827) †
Species Cardium pectiniforme Born, 1780 accepted as Vasticardium pectiniforme (Born, 1780)
Species Cardium pellati de Loriol, 1866 †
Species Cardium pelopis A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium pencanum R. A. Philippi, 1887 †
Species Cardium pennanti Reeve, 1844 accepted as Laevicardium crassum (Gmelin, 1791)
Species Cardium pennantii Reeve, 1844 accepted as Laevicardium crassum (Gmelin, 1791)
Species Cardium penslii T. Fuchs, 1870 † accepted as Lymnocardium penslii (T. Fuchs, 1870) †
Species Cardium peramabile Dall, 1881 accepted as Microcardium peramabile (Dall, 1881)
Species Cardium peramabilis Dall, 1881 accepted as Microcardium peramabile (Dall, 1881)
Species Cardium peregrinorsum A. d'Orbigny, 1842 † accepted as Protocardia peregrinorsum (A. d'Orbigny, 1843) †
Species Cardium peregrinum (Jousseaume, 1888) accepted as Cardium pectiniforme Born, 1780
Species Cardium peregrinum [sic] † accepted as Protocardia peregrinorsum (A. d'Orbigny, 1843) †
Species Cardium pereziformis Schauroth, 1865 † accepted as Gigantopecten arcuatus (Brocchi, 1814) †
Species Cardium perobliquum K. Martin, 1883 †
Species Cardium perrieri Dautzenberg & H. Fischer, 1897 accepted as Parvicardium minimum (R. A. Philippi, 1836)
Species Cardium persistans Shvets, 1912 † accepted as Moquicardium persistans (Shvets, 1912) †
Species Cardium perstriatum Kuroda, 1928 accepted as Cardium (Trachycardium) transcendens Melvill & Standen, 1899
Species Cardium pervulgatus Steklov, 1955 † accepted as Inaequicostata pia (Zhizhchenko, 1934) †
Species Cardium pesbovis d'Archiac, 1843 †
Species Cardium pesolinum Contejean, 1860 † accepted as Protocardia pesolina (Contejean, 1860) †
Species Cardium pestis Zhizhchenko, 1934 † accepted as Replidacna pia pestis (Zhizhchenko, 1934) †
Species Cardium petersi M. Hörnes, 1861 † accepted as Tauricardium petersi (M. Hörnes, 1861) †
Species Cardium petilum de Loriol, 1868 †
Species Cardium petitianum A. d'Orbigny, 1853 accepted as Papyridea semisulcata (J. E. Gray, 1825)
Species Cardium philippi Ihering, 1897 † accepted as Hedecardium (Iheringicardium) philippi (Ihering, 1897) †
Species Cardium philippianum Dunker, 1847 †
Species Cardium philippinense Hedley, 1899 accepted as Vasticardium philippinense (Hedley, 1899)
Species Cardium pholadiforme G. B. Sowerby I, 1847 †
Species Cardium picteti d'Archiac & Haime, 1854 †
Species Cardium pictum Dunker, 1861
Species Cardium pilari R. Hoernes, 1874 † accepted as Limnocardium pilari (R. Hoernes, 1874) †
Species Cardium pinnulatum Conrad, 1831 accepted as Parvicardium pinnulatum (Conrad, 1831)
Species Cardium pirsaatense A. A. Ali-Zade & Baba-Zade, 1969 † accepted as Avicardium nikitini (Andrusov, 1902) †
Species Cardium pisolithicum A. d'Orbigny, 1850 † accepted as Loxocardium pisolithicum (A. d'Orbigny, 1850) †
Species Cardium pisum R. A. Philippi, 1887 †
Species Cardium pium Zhizhchenko, 1934 † accepted as Replidacna pia (Zhizhchenko, 1934) †
Species Cardium plagiomorphum Cossmann, 1886 † accepted as Parvicardium plagiomorphum (Cossmann, 1886) †
Species Cardium planatum Renier, 1804 accepted as Papillicardium papillosum (Poli, 1791)
Species Cardium planicostatum G. B. Sowerby I, 1833 accepted as Americardia planicostata (G. B. Sowerby I, 1833)
Species Cardium planicostatum Deshayes, 1838 † accepted as Pontalmyra verneuilli (Deshayes, 1838) †
Species Cardium planum Deshayes, 1838 † accepted as Phyllocardium planum (Deshayes, 1838) †
Species Cardium platense A. d'Orbigny, 1843 † accepted as Dinocardium platense (A. d'Orbigny, 1843) †
Species Cardium platowi Bogatschev, 1902 † accepted as Acanthocardia andrusovi (Sokolov, 1899) †
Species Cardium pleistopleura Davitashvili, 1930 † accepted as Submonodacna pleistopleura (Davitashvili, 1930) †
Species Cardium plicataeformis Gorjanović-Kramberger, 1890 † accepted as Lymnocardium plicataeformis (Gorjanović-Kramberger, 1890) †
Species Cardium plicaticostatum Cheltsov, 1965 † accepted as Raricardium konjuschevski (K. A. Ali-Zade, 1932) †
Species Cardium plicatofittoni Sinzov, 1897 † accepted as Plicatiformes plicatus plicatofittoni (Sinzov, 1897) †
Species Cardium plicatoides Simionescu & Barbu, 1940 †
Species Cardium plicatum Eichwald, 1830 † accepted as Plicatiformes plicatus (Eichwald, 1830) †
Species Cardium plicatum Münster, 1837 †
Species Cardium plumstedianum J. Sowerby, 1813 † accepted as Nemocardium plumsteadianum (J. Sowerby, 1813) †
Species Cardium poladlinicum A. A. Ali-Zade & Baba-Zade, 1969 † accepted as Cerastoderma davidaschvilii (V. P. Kolesnikov, 1950) †
Species Cardium polii Payraudeau, 1826 accepted as Papillicardium papillosum (Poli, 1791)
Species Cardium politioanei Jekelius, 1944 † accepted as Replidacna politioanei (Jekelius, 1944) †
Species Cardium politum Spengler, 1799 accepted as Laevicardium crassum (Gmelin, 1791)
Species Cardium politum Risso, 1826 accepted as Laevicardium crassum (Gmelin, 1791)
Species Cardium politum A. A. Ali-Zade, 1967 † accepted as Avicardium miserabile (A. A. Ali-Zade, 1967) †
Species Cardium ponteleviense Mayer, 1868 † accepted as Papyridea ponteleviense (Mayer, 1868) †
Species Cardium ponticum Deshayes, 1857 † accepted as Pontalmyra ovata (Deshayes, 1838) †
Species Cardium pontocaspium Pavlov, 1925 † accepted as Didacna pontocaspia (Pavlov, 1925) †
Species Cardium porulosum Solander, 1766 † accepted as Orthocardium porulosum (Solander, 1766) †
Species Cardium praechinatum Hilber, 1882 † accepted as Acanthocardia brocchii (Mayer, 1866) †
Species Cardium praefischerianum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes praefischerianus (V. P. Kolesnikov, 1929) †
Species Cardium praehyrcania Cheltsov, 1965 † accepted as Raricardium konjuschevski (K. A. Ali-Zade, 1932) †
Species Cardium praehyrcanicum A. A. Ali-Zade, 1967 †
Species Cardium praeplicatum Hilber, 1882 † accepted as Plicatiformes praeplicatus (Hilber, 1882) †
Species Cardium praeponticum Gorjanović-Kramberger, 1890 † accepted as Lymnocardium praeponticum (Gorjanović-Kramberger, 1890) †
Species Cardium praepseudocatillus A. A. Ali-Zade, 1967 † accepted as Avicardium kazanbulagense (A. A. Ali-Zade & Kabakova, 1967) †
Species Cardium praetenue Mayer, 1871 † accepted as Euxinicardium praetenue (Mayer, 1871) †
Species Cardium priscum Suter, 1917 † accepted as Hedecardium brunneri (Hector, 1886) †
Species Cardium pristis Bory de Saint-Vincent, 1827 accepted as Laevicardium pristis (Bory de Saint-Vincent, 1827)
Species Cardium proboscideum J. Sowerby, 1817 † accepted as Granocardium proboscideum (J. Sowerby, 1817) †
Species Cardium probum A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium procerum G. B. Sowerby I, 1833 accepted as Mexicardia procera (G. B. Sowerby I, 1833)
Species Cardium procrustae A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium procurvatum Grzybowski, 1899 †
Species Cardium productum Deshayes, 1855 accepted as Cardium dionaeum Broderip & G. B. Sowerby I, 1829
Species Cardium propexum Monterosato, 1891 † accepted as Acanthocardia lunulata (G. Seguenza, 1880) †
Species Cardium propinquum Münster, 1837 †
Species Cardium proprium A. A. Ali-Zade, 1967 † accepted as Acobaecardium akobae (Cheltsov, 1965) †
Species Cardium protractum Eichwald, 1829 † accepted as Didacna protracta (Eichwald, 1829) †
Species Cardium protrusum [Lightfoot], 1786 accepted as Cardium cardissa Linnaeus, 1758
Species Cardium proximum T. Fuchs, 1870 † accepted as Pseudocatillus proximus (T. Fuchs, 1870) †
Species Cardium pseudoaxinus Thurmann, 1863 †
Species Cardium pseudocardium Deshayes, 1838 accepted as Monodacna pontica Eichwald, 1838
Species Cardium pseudocatillus Abich, 1869 † accepted as Pseudocatillus pseudocatillus (Abich, 1869) †
Species Cardium pseudocrassum Pavlov, 1925 † accepted as Didacna pseudocrassa (Pavlov, 1925) †
Species Cardium pseudoedule Andrusov, 1902 † accepted as Cerastoderma dombra pseudoedule (Andrusov, 1902) †
Species Cardium pseudofischerianum Sinzov, 1875 † accepted as Obsoletiformes pseudofischerianus (Sinzov, 1875) †
Species Cardium pseudofossile Reeve, 1844 accepted as Cardium californiense Deshayes, 1839
Species Cardium pseudolima Lamarck, 1819 accepted as Maoricardium pseudolima (Lamarck, 1819)
Species Cardium pseudomagnum F. McCoy, 1877 † accepted as Hedecardium pseudomagnum (F. McCoy, 1877) †
Species Cardium pseudomulticostatum Zhizhchenko, 1934 † accepted as Europicardium pseudomulticostatum (Zhizhchenko, 1934) †
Species Cardium pseudoobsoletum T. Fuchs, 1873 † accepted as Lymnocardium pseudoobsoletum (T. Fuchs, 1873) †
Species Cardium pseudoobsoletum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes nefanda (V. P. Kolesnikov, 1935) †
Species Cardium pseudosemisulcatum Andrusov, 1902 † accepted as Obsoletiformes pseudosemisulcatus (Andrusov, 1902) †
Species Cardium pseudosoceni Jekelius, 1944 † accepted as Obsoletiformes pseudosoceni (Jekelius, 1944) †
Species Cardium pseudoturonicum Mikhailovski, 1903 † accepted as Acanthocardia brocchii (Mayer, 1866) †
Species Cardium pubescens Couthouy, 1838 accepted as Cardium ciliatum O. Fabricius, 1780
Species Cardium puelchum G. B. Sowerby I, 1846 † accepted as Hedecardium puelchum (G. B. Sowerby I, 1846) †
Species Cardium pulchellum J. E. Gray, 1843 accepted as Nemocardium (Pratulum) pulchellum (J. E. Gray, 1843)
Species Cardium pulchellum Reeve, 1844 accepted as Nemocardium (Pratulum) thetidis (Hedley, 1902)
Species Cardium pulchrum Reeve, 1845 accepted as Fulvia (Fulvia) australis (G. B. Sowerby II, 1834)
Species Cardium pulicarium Reeve, 1845 accepted as Cardium angulatum Lamarck, 1819
Species Cardium punctatum Brocchi, 1814 † accepted as Papillicardium papillosum (Poli, 1791)
Species Cardium punctulatum Broderip & G. B. Sowerby I, 1829
Species Cardium purbeckense de Loriol, 1865 † accepted as Protocardia purbeckensis (de Loriol, 1865) †
Species Cardium pustulosum Münster, 1837 †
Species Cardium pygmaeum Donovan, 1800 accepted as Parvicardium exiguum (Gmelin, 1791)
Species Cardium pygmaeum R. A. Philippi, 1860
Species Cardium pyramidatum Grimm, 1877 accepted as Didacna pyramidata (Grimm, 1877)
Species Cardium quadragenarium Conrad, 1837 accepted as Dallocardia quadragenaria (Conrad, 1837)
Species Cardium quadrarium Reeve, 1845 accepted as Cerastoderma edule (Linnaeus, 1758)
Species Cardium quadripartitum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes quadripartitus (V. P. Kolesnikov, 1929) †
Species Cardium quinordinatum Cragin, 1895 †
Species Cardium rachitis Deshayes, 1829 † accepted as Goniocardium rachitis (Deshayes, 1829) †
Species Cardium racketti Donovan, 1825 accepted as Fulvia tenuicostata (Lamarck, 1819)
Species Cardium radiatum Reeve, 1845 accepted as Fulvia (Fulvia) tenuicostata (Lamarck, 1819)
Species Cardium radiatum Dujardin, 1837 †
Species Cardium radiiferum Andrusov, 1902 † accepted as Andrusovicardium radiiferum (Andrusov, 1902) †
Species Cardium radula Jaeckel & Thiele, 1931 accepted as Afrocardium exochum (Melvill, 1907)
Species Cardium radula Broderip & G. B. Sowerby I, 1829 accepted as Dallocardia radula (Broderip & G. B. Sowerby I, 1829)
Species Cardium radula Deshayes, 1835 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium raricostatum Deshayes, 1857 accepted as Honeoyea raricostata (Deshayes, 1857) †
Species Cardium raricostatum Sjögren, 1891 † accepted as Parapscheronia raricostata (Sjögren, 1891) †
Species Cardium rastrum Reeve, 1845 accepted as Dallocardia senticosa (G. B. Sowerby I, 1833)
Species Cardium raulinianum A. d'Orbigny, 1844 †
Species Cardium reconditum Mayer, 1876 † accepted as Limnopagetia reconditum (Mayer, 1876) †
Species Cardium reductum A. A. Ali-Zade, 1967 † accepted as Avicardium kazanbulagense (A. A. Ali-Zade & Kabakova, 1967) †
Species Cardium reeveanum Dunker, 1852 accepted as Vasticardium vertebratum (Jonas, 1844)
Species Cardium regulare Bruguière, 1789 accepted as Vasticardium pectiniforme (Born, 1780)
Species Cardium repentinus Grishkevich, 1961 †
Species Cardium replicatum Spengler, 1799 accepted as Corculum monstrosum (Gmelin, 1791)
Species Cardium reticulatum Fischer von Waldheim, 1807
Species Cardium retunsum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium retusum Linnaeus, 1767 accepted as Lunulicardia retusa (Linnaeus, 1767)
Species Cardium rewaense Ladd, 1934 † accepted as Microfragum rewaense (Ladd, 1934) †
Species Cardium rhaeticum Merian, 1853 † accepted as Protocardia rhaetica (Merian, 1853) †
Species Cardium rhomboides Lamarck, 1819 † accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium richardi Audouin, 1826 accepted as Afrocardium richardi (Audouin, 1826)
Species Cardium richardsoni Whiteaves, 1878 accepted as Cardium modestum var. centifilosum P. P. Carpenter, 1864
Species Cardium riegeli M. Hörnes, 1861 † accepted as Lymnocardium riegeli (M. Hörnes, 1861) †
Species Cardium rigidum Reeve, 1845 accepted as Cardium robillardi G. B. Sowerby III, 1894
Species Cardium rigidum W. Wood, 1815
Species Cardium ringeiseni Jekelius, 1944 † accepted as Obsoletiformes obsoletus ringeiseni (Jekelius, 1944) †
Species Cardium ringens Bruguière, 1789 accepted as Bucardium ringens (Bruguière, 1789)
Species Cardium ringens Chemnitz, 1782 accepted as Cardium ringens Bruguière, 1789
Species Cardium ringiculum G. B. Sowerby II, 1834 accepted as Papyridea semisulcata (J. E. Gray, 1825)
Species Cardium riparium A. A. Ali-Zade, 1967 † accepted as Avicardium kamishense (Uspenskaja, 1931) †
Species Cardium robillardi G. B. Sowerby III, 1894 accepted as Microfragum robillardi (G. B. Sowerby III, 1894)
Species Cardium robustum [Lightfoot], 1786 accepted as Dinocardium robustum ([Lightfoot], 1786)
Species Cardium rogersi Rennie, 1936 †
Species Cardium roseum Lamarck, 1819 accepted as Parvicardium scabrum (R. A. Philippi, 1844)
Species Cardium roseum Gmelin, 1791 accepted as Corculum roseum (Gmelin, 1791)
Species Cardium rostratum A. A. Ali-Zade, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium rotundatum P. P. Carpenter, 1857 accepted as Cardium procerum G. B. Sowerby I, 1833
Species Cardium rotundatum Dujardin, 1837 † accepted as Cerastoderma rotundatum (Dujardin, 1837) †
Species Cardium rubicundum Reeve, 1844 accepted as Vasticardium rubicundum (Reeve, 1844)
Species Cardium rubricati Almera & Bofill y Poch, 1894 †
Species Cardium rubrum Montagu, 1803 accepted as Lasaea rubra (Montagu, 1803)
Species Cardium rucali Uspenskaja, 1931 † accepted as Andrusovicardium rucali (Uspenskaja, 1931) †
Species Cardium rugatum Dillwyn, 1817 accepted as Cardium apertum Bruguière, 1789
Species Cardium rugosum Lamarck, 1819 accepted as Vasticardium pectiniforme (Born, 1780)
Species Cardium rusticum Linnaeus, 1758 accepted as Cardium tuberculatum Linnaeus, 1758
Species Cardium ruthenicum Hilber, 1882 † accepted as Obsoletiformes lithopodolicus ruthenicus (Hilber, 1882) †
Species Cardium saepecostatum Cheltsov, 1968 †
Species Cardium salteri d'Archiac & Haime, 1854 †
Species Cardium salvum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium sanani A. A. Ali-Zade, 1967 † accepted as Cerastoderma sanani (A. A. Ali-Zade, 1967) †
Species Cardium sandbergeri Rzehak, 1893 † accepted as Limnopagetia ammoni (Rzehak, 1893) †
Species Cardium sarmaticum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes sarmaticus (V. P. Kolesnikov, 1929) †
Species Cardium sartasense Nevesskaja, 1955 † accepted as Kubanocardium sartasense (Nevesskaja, 1955) †
Species Cardium saucatsense Mayer, 1866 accepted as Acanthocardia saucatsensis (Mayer, 1866) †
Species Cardium savii Capellini, 1880 † accepted as Pontalmyra savii (Capellini, 1880) †
Species Cardium saxitilis McLearn, 1947 † accepted as Mysidiella saxitilis (McLearn, 1947) †
Species Cardium sazhdagense A. A. Ali-Zade & Ribina, 1974 †
Species Cardium scabriusculum T. Fuchs, 1870 † accepted as Lymnocardium scabriusculum (T. Fuchs, 1870) †
Species Cardium scabrum R. A. Philippi, 1844 accepted as Parvicardium scabrum (R. A. Philippi, 1844)
Species Cardium scarabellii Capellini, 1879 † accepted as Prosodacna scarabellii (Capellini, 1879) †
Species Cardium schafferi Kautsky, 1925 † accepted as Acanthocardia turonica (M. Hörnes, 1861) †
Species Cardium schamachanicum A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium schedelianum T. Fuchs, 1870 † accepted as Lymnocardium schedelianum (T. Fuchs, 1870) †
Species Cardium schirvanicum A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium schmidti M. Hörnes, 1861 † accepted as Lymnocardium schmidti (M. Hörnes, 1861) †
Species Cardium scobinatum Lamarck, 1819 accepted as Papillicardium papillosum (Poli, 1791)
Species Cardium scruposum Deshayes, 1855 accepted as Fragum scruposum (Deshayes, 1855)
Species Cardium scyloticum Sokolov, 1899 † accepted as Parvicardium scyloticum (Sokolov, 1899) †
Species Cardium secans T. Fuchs, 1870 † accepted as Lymnocardium secans (T. Fuchs, 1870) †
Species Cardium semiasperum Deshayes, 1858 † accepted as Nemocardium semiasperum (Deshayes, 1858) †
Species Cardium semidecussatum Koenen, 1885 † accepted as Nemocardium semidecussatum (Koenen, 1885) †
Species Cardium semiglabrum Münster, 1837 †
Species Cardium semigranulatum J. Sowerby, 1816 † accepted as Nemocardium semigranulatum (J. Sowerby, 1816) †
Species Cardium semipunctatum Münster, 1837 † accepted as Protocardia semipunctata (Münster, 1837) †
Species Cardium semirugosum Sandberger, 1897 † accepted as Fragum semirugosum (Sandberger, 1897) †
Species Cardium semisquamosum Sinzov, 1875 †
Species Cardium semisulcatum J. E. Gray, 1825 accepted as Papyridea semisulcata (J. E. Gray, 1825)
Species Cardium semisulcatum Rousseau, 1842 † accepted as Prosodacna semisulcata (Rousseau, 1842) †
Species Cardium senticosum G. B. Sowerby I, 1833 accepted as Cardium radula Broderip & G. B. Sowerby I, 1829
Species Cardium septiferum Buvignier, 1843 † accepted as Pachyrismella septifera (Buvignier, 1843) †
Species Cardium septuagenarium Tate, 1887 † accepted as Cardium moniletectum Tate, 1887 †
Species Cardium serotinum A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium serratense Maury, 1925 †
Species Cardium serratum Linnaeus, 1758 accepted as Laevicardium serratum (Linnaeus, 1758)
Species Cardium serricostatum Melvill & Standen, 1899 accepted as Vasticardium serricostatum (Melvill & Standen, 1899)
Species Cardium serrulatum Deshayes, 1855 accepted as Europicardium serrulatum (Deshayes, 1855)
Species Cardium setosum Redfield, 1846 accepted as Maoricardium setosum (Redfield, 1846)
Species Cardium sharpei d'Archiac & Haime, 1854 †
Species Cardium shinjiensis Yokoyama, 1923 † accepted as Clinocardium shinjiensis (Yokoyama, 1923) †
Species Cardium shiobarense Yokoyama, 1926 † accepted as Laevicardium shiobarense (Yokoyama, 1926) †
Species Cardium siculum G. B. Sowerby II, 1834 accepted as Parvicardium subangulatum (Scacchi, 1833)
Species Cardium silentum A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium simile Milaschewitsch, 1909 accepted as Papillicardium simile (Milaschewitsch, 1909)
Species Cardium simkevici Andrusov, 1902 † accepted as Raricardium simkevici (Andrusov, 1902) †
Species Cardium simplex Spengler, 1799 accepted as Acrosterigma simplex (Spengler, 1799)
Species Cardium simplex T. Fuchs, 1870 † accepted as Pseudocatillus simplex (T. Fuchs, 1870) †
Species Cardium simulans Partsch, 1836 †
Species Cardium sinense G. B. Sowerby II, 1839 accepted as Vepricardium sinense (G. B. Sowerby II, 1839)
Species Cardium siphonophorum Andrusov, 1902 † accepted as Cerastoderma siphonophorum (Andrusov, 1902) †
Species Cardium skeeti Hedley, 1906 accepted as Afrocardium richardi (Audouin, 1826)
Species Cardium slavonicum Neumayr, 1875 † accepted as Phyllicardium slavonicum (Neumayr, 1875) †
Species Cardium smolkoi A. A. Ali-Zade, 1967 † accepted as Cerastoderma siphonophorum (Andrusov, 1902) †
Species Cardium sociale Krauss, 1852 † accepted as Cerastoderma sociale (Krauss, 1852) †
Species Cardium soleniforme Bruguière, 1789 accepted as Papyridea soleniformis (Bruguière, 1789)
Species Cardium soleniforme Bruguière, 1789 sensu W. Wood, 1815 accepted as Papyridea lata (Born, 1778)
Species Cardium solidum Linnaeus, 1758 accepted as Spisula solida (Linnaeus, 1758)
Species Cardium solitarium A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) †
Species Cardium solitarium Krauss, 1852 † accepted as Cerastoderma solitarium (Krauss, 1852) †
Species Cardium solitaroideum Ammon, 1888 † accepted as Limnopagetia bavarica (Ammon, 1888) †
Species Cardium solutum Uspenskaja, 1931 † accepted as Avicardium solutum (Uspenskaja, 1931) †
Species Cardium sonense Cossmann, 1896 † accepted as Parvicardium sonense (Cossmann, 1896) †
Species Cardium spatiosum F. W. Hutton, 1873 † accepted as Maoricardium spatiosum (F. W. Hutton, 1873) †
Species Cardium speciosum A. Adams & Reeve, 1850 accepted as Americardia speciosa (A. Adams & Reeve, 1850)
Species Cardium speluncarium Neumayr, 1875 † accepted as Plagiodacna carinata (Deshayes, 1838) †
Species Cardium speluncense Almera & Bofill y Poch, 1894 †
Species Cardium sphaeridium R. A. Philippi, 1887 †
Species Cardium sphaeroideum Forbes, 1845 † accepted as Globocardium sphaeroideum (Forbes, 1845) †
Species Cardium spinosa (Swainson, 1840) accepted as Cardium cardissa Linnaeus, 1758
Species Cardium spinosum J. Sowerby, 1804 accepted as Acanthocardia aculeata (Linnaeus, 1758)
Species Cardium spinosum Meuschen, 1787 accepted as Papyridea lata (Born, 1778)
Species Cardium spinosum [Lightfoot], 1786 accepted as Acanthocardia spinosa ([Lightfoot], 1786)
Species Cardium spondyloides Hauer, 1847 † accepted as Discors spondyloides (Hauer, 1847) †
Species Cardium spondylopsis Almera & Bofill y Poch, 1894 † accepted as Didacna spondylopsis (Almera & Bofill y Poch, 1894) †
Species Cardium spratti T. Fuchs, 1877 † accepted as Pontalmyra bollenensis (Mayer, 1871) †
Species Cardium squammulosum Pilar, 1873 † accepted as Limnocardium pilari (R. Hoernes, 1874) †
Species Cardium squamulosum Deshayes, 1838 † accepted as Tauricardium squamulosum (Deshayes, 1838) †
Variety Cardium squamulosum var. escheri Mayer, 1856 † accepted as Caladacna escheri (Mayer, 1856) †
Species Cardium stantoni Wade, 1926 † accepted as Protocardia stantoni (Wade, 1926) †
Species Cardium stefanescoi Tournouër, 1879 † accepted as Prosodacna neumayri (T. Fuchs, 1873) †
Species Cardium stellatum Reeve, 1845 accepted as Parvicardium subangulatum (Scacchi, 1833)
Species Cardium stilpnaulax Cossmann, 1886 † accepted as Orthocardium stilpnaulax (Cossmann, 1886) †
Species Cardium strangi Laws, 1930 † accepted as Maoricardium strangi (Laws, 1930) †
Species Cardium striatulum G. B. Sowerby II, 1834 accepted as Pratulum pulchellum (J. E. Gray, 1843)
Species Cardium striatulum J. De C. Sowerby, 1827 † accepted as Protocardia striatula (J. De C. Sowerby, 1827) †
Species Cardium striatulum Brocchi, 1814 † accepted as Parvicardium striatulum (Brocchi, 1814) †
Species Cardium striatum Spengler, 1799 accepted as Cardium australe G. B. Sowerby II, 1834
Species Cardium stricklandi J. Morris & Lycett, 1853 † accepted as Protocardia stricklandi (J. Morris & Lycett, 1853) †
Species Cardium strigilliferum S. V. Wood, 1853 † accepted as Goethemia strigillifera S. V. Wood †
Species Cardium strigosum A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium studeri Mayer-Eymar, 1887 †
Species Cardium stultorum Linnaeus, 1758 accepted as Mactra stultorum (Linnaeus, 1758)
Species Cardium suare R. A. Philippi, 1887 †
Species Cardium subalternatum H. M. Jenkins, 1864 †
Species Cardium subangulatum Scacchi, 1833 accepted as Parvicardium subangulatum (Scacchi, 1833)
Species Cardium subangulatum R. A. Philippi, 1887 †
Species Cardium subangustum O. Boettger, 1880 †
Species Cardium subapertum A. d'Orbigny, 1852 † accepted as Lymnocardium subapertum (A. d'Orbigny, 1852) †
Species Cardium subcarinatum Deshayes, 1838 † accepted as Pontalmyra subcarinata (Deshayes, 1838) †
Species Cardium subcordatum Suter, 1917 † accepted as Hedecardium subcordatum (Suter, 1917) †
Species Cardium subdentatum Deshayes, 1838 † accepted as Pseudocatillus subdentatus (Deshayes, 1838) †
Species Cardium subdinnense A. d'Orbigny, 1844 †
Species Cardium subdiscors A. d'Orbigny, 1850 † accepted as Discors subdiscors (A. d'Orbigny, 1850) †
Species Cardium subedentulum A. d'Orbigny, 1852 † accepted as Pteradacna subedentula (A. d'Orbigny, 1852) †
Species Cardium subelongatum G. B. Sowerby II, 1840 accepted as Acrosterigma magnum (Linnaeus, 1758)
Species Cardium subfittoni Andrusov, 1902 † accepted as Replidacna subfittoni (Andrusov, 1902) †
Species Cardium subfragile A. d'Orbigny, 1850 † accepted as Bucardium subfragile (A. d'Orbigny, 1850) †
Species Cardium subfragile O. Boettger, 1875 †
Species Cardium subfraterculus Dufour, 1881 † accepted as Nemocardium subfraterculus (Dufour, 1881) †
Species Cardium subgranulatum Münster, 1837 †
Species Cardium subhispidum Hilber, 1882 accepted as Parvicardium subhispidum (Hilber, 1882) †
Species Cardium subincurvatum A. A. Ali-Zade & Kabakova, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium subingratum A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium subkonschini K. A. Ali-Zade, 1932 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium sublima A. d'Orbigny, 1850 † accepted as Loxocardium sublima (A. d'Orbigny, 1850) †
Species Cardium sublimoides Cossmann, 1923 † accepted as Loxocardium sublimoides (Cossmann, 1923) †
Species Cardium sublineatum Conrad, 1841 † accepted as Laevicardium sublineatum (Conrad, 1841) †
Species Cardium submartini J.-H. Chen, 1976 †
Species Cardium submulticostatum A. d'Orbigny, 1850 † accepted as Tutcheria submulticostata (A. d'Orbigny, 1850) †
Species Cardium subnovakovski K. A. Ali-Zade, 1932 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium subodessae Sinzov, 1877 † accepted as Euxinicardium subodessae (Sinzov, 1877) †
Species Cardium subpaucicostatum R. Hoernes, 1874 † accepted as Pontalmyra planicostata (Deshayes, 1838) †
Species Cardium subplanicostatum A. d'Orbigny, 1852 † accepted as Pontalmyra verneuilli (Deshayes, 1838) †
Species Cardium subporulosum A. d'Orbigny, 1850 † accepted as Orthocardium subporulosum (A. d'Orbigny, 1850) †
Species Cardium subretusum G. B. Sowerby II, 1834 accepted as Lunulicardia retusa (Linnaeus, 1767)
Species Cardium subriegeli Sinzov, 1875 † accepted as Pseudocatillus subriegeli (Sinzov, 1875) †
Species Cardium subringeiseni A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium subrugosum G. B. Sowerby II, 1839 accepted as Vasticardium subrugosum (G. B. Sowerby II, 1839)
Species Cardium subseptiferum Gemmellaro, 1875 †
Species Cardium subserrigerum A. d'Orbigny, 1852 † accepted as Acanthocardia subserrigera (A. d'Orbigny, 1852) †
Species Cardium substriatum Conrad, 1837 accepted as Laevicardium substriatum (Conrad, 1837)
Species Cardium subtenue Almera & Bofill y Poch, 1894 † accepted as Euxinicardium subtenue (Almera & Bofill y Poch, 1894) †
Species Cardium subtile Mayer, 1871 †
Species Cardium subtrigonum J. Morris & Lycett, 1853 † accepted as Protocardia subtrigona (J. Morris & Lycett, 1853) †
Species Cardium subturgidum A. d'Orbigny, 1852 † accepted as Habecardium subturgidum (A. d'Orbigny, 1852) †
Species Cardium suecicum Lovén, 1846 accepted as Parvicardium minimum (R. A. Philippi, 1836)
Species Cardium suediense Reeve, 1845 accepted as Parvicardium minimum (R. A. Philippi, 1836)
Species Cardium suense Sidorova, 1961 † accepted as Obsoletiformes suensis (Sidorova, 1961) †
Species Cardium suessi Barbot de Marny, 1869 † accepted as Replidacna suessi (Barbot de Marny, 1869) †
Species Cardium sueziense Issel, 1869 accepted as Fragum sueziense (Issel, 1869)
Species Cardium sueziensis Issel, 1869 accepted as Cardium sueziense Issel, 1869
Species Cardium sulacense Andrusov, 1902 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium sulcatinum Deshayes, 1838 † accepted as Pontalmyra ovata (Deshayes, 1838) †
Species Cardium sulcatum Lamarck, 1819 accepted as Laevicardium oblongum (Gmelin, 1791)
Species Cardium sulini [sic] † accepted as Raricardium bogacovi (K. A. Ali-Zade, 1932) †
Species Cardium sulinii K. Ali-Zade, 1936 † accepted as Raricardium bogacovi (K. A. Ali-Zade, 1932) †
Species Cardium sultanovi A. A. Ali-Zade & Petrova, 1969 † accepted as Cerastoderma altum (Cheltsov, 1965) †
Species Cardium sumbaricum A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium svagrovskyi A. A. Ali-Zade & Ribina, 1974 †
Species Cardium syrmiense R. Hoernes, 1874 † accepted as Paradacna syrmiensis (R. Hoernes, 1874) †
Species Cardium tagetis A. A. Ali-Zade, 1967 † accepted as Avicardium abreki (Uspenskaja, 1931) †
Species Cardium tamanense R. Hoernes, 1874 † accepted as Pontalmyra tamanensis (R. Hoernes, 1874) †
Species Cardium tantali A. A. Ali-Zade, 1967 † accepted as Avicardium subleve Cheltsov, 1965 †
Species Cardium tapezoides K. A. Ali-Zade, 1932 † accepted as Avicardium mainacaricum (Andrusov, 1905) †
Species Cardium taracaicum Yokoyama, 1930 † accepted as Clinocardium taracaicum (Yokoyama, 1930) †
Species Cardium taurinum Michelotti, 1870 †
Species Cardium tchandryricum [sic] † accepted as Aktschagylocardium tchandyricum (Uspenskaja, 1931) †
Species Cardium tchandyricum Uspenskaja, 1931 † accepted as Aktschagylocardium tchandyricum (Uspenskaja, 1931) †
Species Cardium tenerum Dillwyn, 1817 accepted as Cardium apertum Bruguière, 1789
Species Cardium tenue Leach, 1852 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium tenue T. Fuchs, 1877 † accepted as Monodacna tenue (T. Fuchs, 1877) †
Species Cardium tenuicostatum Lamarck, 1819 accepted as Fulvia (Fulvia) tenuicostata (Lamarck, 1819)
Species Cardium tenuimargo Grzybowski, 1899 †
Species Cardium tenuis T. Brown, 1827
Species Cardium tenuissimum R. A. Philippi, 1887 †
Species Cardium tenuistriatum Anton, 1838
Species Cardium tenuistriatum Münster, 1837 †
Species Cardium tenuisulcatum Nyst, 1836 † accepted as Habecardium tenuisulcatum (Nyst, 1836) †
Species Cardium textum Bronn, 1831 † accepted as Nemocardium textum (Bronn, 1831) †
Species Cardium thaanumi Pilsbry, 1921 accepted as Frigidocardium thaanumi (Pilsbry, 1921)
Species Cardium thunense Mayer-Eymar, 1887 †
Species Cardium tokunagai Yokoyama, 1922 †
Species Cardium tokyoensis Tokunaga, 1906 †
Species Cardium toronglynicum A. A. Ali-Zade, 1967 † accepted as Acobaecardium akobae (Cheltsov, 1965) †
Species Cardium tortuosum Hermann, 1781 †
Species Cardium transcarpaticum Grishkevich, 1955 † accepted as Inaequicostata nigra (Zhizhchenko, 1934) †
Species Cardium transcaucasicum Bobkova, 1949 †
Species Cardium transclathratum Viader, 1951 accepted as Fragum sueziense (Issel, 1869)
Species Cardium transversale Deshayes, 1855 accepted as Parvicardium vroomi van Aartsen, Menkhorst & E. Gittenberger, 1984
Species Cardium trapezinum Andrusov, 1923 † accepted as Caspicardium trapezinum (Andrusov, 1923) †
Species Cardium triangulatum de Laubrière, 1881 † accepted as Parvicardium triangulatum (de Laubrière, 1881) †
Species Cardium triangulum Münster, 1837 †
Species Cardium trifidum Deshayes, 1858 † accepted as Orthocardium trifidum (Deshayes, 1858) †
Species Cardium trigonoides Pallas, 1771 accepted as Didacna trigonoides (Pallas, 1771)
Species Cardium trigonum Münster, 1837 † accepted as Tetinka trigona (Münster, 1837) †
Species Cardium trilaterum Gmelin, 1791 accepted as Didacna trigonoides (Pallas, 1771)
Species Cardium trinacria Andrusov, 1902 † accepted as Aktschagylocardium trinacria (Andrusov, 1902) †
Species Cardium tripartitum Münster, 1837 †
Species Cardium triquetrum Wulfen, 1793 † accepted as Neomegalodon triqueter (Wulfen, 1793) †
Species Cardium triste Linnaeus, 1758 accepted as Spisula solida (Linnaeus, 1758)
Species Cardium tritonis A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium truncatum J. De C. Sowerby, 1827 † accepted as Protocardia truncata (J. De C. Sowerby, 1827) †
Species Cardium tschaudae Andrusov, 1890 † accepted as Tschaudia tschaudae (Andrusov, 1890) †
Species Cardium tuberculare G. B. Sowerby I, 1831 accepted as Acanthocardia tuberculata (Linnaeus, 1758)
Species Cardium tuberculatum Linnaeus, 1758 accepted as Acanthocardia tuberculata (Linnaeus, 1758)
Species Cardium tubuliferum Goldfuss, 1837 †
Species Cardium tubulosum Eichwald, 1830 †
Species Cardium tumidum Deshayes, 1855 accepted as Vasticardium flavum (Linnaeus, 1758)
Species Cardium tumidum Klöden, 1834 †
Species Cardium tumoriferum Lamarck, 1819 accepted as Lunulicardia tumorifera (Lamarck, 1819)
Species Cardium turgidum Solander, 1766 † accepted as Nemocardium turgidum Solander, 1766 †
Species Cardium turkmenicum A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) †
Species Cardium turkmenicum Zhizhchenko, 1937 † accepted as Acanthocardia turkmenica (Zhizhchenko, 1937) †
Species Cardium turonicum M. Hörnes, 1861 † accepted as Acanthocardia turonica (M. Hörnes, 1861) †
Species Cardium turoniense H. Woods, 1897 † accepted as Birkelundita turoniensis (H. Woods, 1897) †
Species Cardium turtoni G. B. Sowerby III, 1894 accepted as Papillicardium turtoni (G. B. Sowerby III, 1894)
Species Cardium uiratamense V. P. Kolesnikov, 1929 † accepted as Obsoletiforma obsoleta (Eichwald, 1830) †
Species Cardium umbonatum S. V. Wood, 1853 accepted as Cerastoderma glaucum (Bruguière, 1789)
Species Cardium umbonatum J. Sowerby, 1817 †
Species Cardium unedo Linnaeus, 1758 accepted as Fragum unedo (Linnaeus, 1758)
Species Cardium unicolor G. B. Sowerby II, 1834 accepted as Acrosterigma simplex (Spengler, 1799)
Species Cardium unimaculatum G. B. Sowerby I, 1833 accepted as Cardium dionaeum Broderip & G. B. Sowerby I, 1829
Species Cardium ustjurtense V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obsoletus (Eichwald, 1830) †
Species Cardium uzboicum A. A. Ali-Zade, 1967 † accepted as Acobaecardium akobae (Cheltsov, 1965) †
Species Cardium vagum A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) †
Species Cardium variegatum G. B. Sowerby II, 1840 accepted as Acrosterigma variegatum (G. B. Sowerby II, 1840)
Species Cardium varium G. B. Sowerby II, 1834 accepted as Fulvia (Fulvia) australis (G. B. Sowerby II, 1834)
Species Cardium varium Cheltsov, 1965 † accepted as Acobaecardium akobae (Cheltsov, 1965) †
Species Cardium vasoevitschi [sic] † accepted as Obsoletiformes pseudofischerianus vasoevitshi (V. P. Kolesnikov, 1929) †
Species Cardium vasoevitshi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes pseudofischerianus vasoevitshi (V. P. Kolesnikov, 1929) †
Species Cardium vassiacense de Loriol, 1872 †
Species Cardium vastum A. A. Ali-Zade, 1967 † accepted as Avicardium abreki (Uspenskaja, 1931) †
Species Cardium veneratum A. A. Ali-Zade, 1967 † accepted as Miricardium alexinum (Cheltsov, 1964) †
Species Cardium venestum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes venestus (V. P. Kolesnikov, 1929) †
Species Cardium ventricosum Bruguière, 1789 accepted as Dinocardium robustum ([Lightfoot], 1786)
Species Cardium ventricosum A. d'Orbigny, 1844 †
Species Cardium venustum Dunker, 1861 accepted as Cardium guppyi Thiele, 1910
Species Cardium verbeeki K. Martin, 1879 †
Species Cardium verneuilianum A. d'Orbigny, 1845 †
Species Cardium verneuilli Deshayes, 1838 † accepted as Pontalmyra verneuilli (Deshayes, 1838) †
Species Cardium verrucosum Deshayes, 1829 † accepted as Freneixicardia verrucosa (Deshayes, 1829) †
Species Cardium vertebratum Jonas, 1844 accepted as Vasticardium vertebratum (Jonas, 1844)
Species Cardium verveceum de Loriol, 1868 †
Species Cardium veslense Staadt, 1913 † accepted as Parvicardium veslense (Staadt, 1913) †
Species Cardium vezirzadei A. A. Ali-Zade & Kabakova, 1969 † accepted as Avicardium kazanbulagense (A. A. Ali-Zade & Kabakova, 1967) †
Species Cardium vicentinum R. A. Philippi, 1887 †
Species Cardium vicinum T. Fuchs, 1870 † accepted as Lymnocardium vicinum (T. Fuchs, 1870) †
Species Cardium vicksburgense Conrad, 1847 † accepted as Dinocardium vicksburgense (Conrad, 1847) †
Species Cardium victoriae Tate, 1887 † accepted as Pratulum victoriae (Tate, 1887) †
Species Cardium vidali Cossmann & Peyrot, 1912 † accepted as Acanthocardia vidali (Cossmann & Peyrot, 1912) †
Species Cardium vietnamicum Vukhuc, 1965 † accepted as Tulongocardium vietnamicum (Vukhuc, 1965) †
Species Cardium vincenti Cossmann, 1891 †
Species Cardium vindinense A. d'Orbigny, 1844 †
Species Cardium vindobonense Laskarev, 1903 † accepted as Obsoletiformes vindobonensis (Laskarev, 1903) †
Species Cardium virgineum Linnaeus, 1758
Species Cardium virginianum Conrad, 1839 † accepted as Cerastoderma virginianum (Conrad, 1839) †
Species Cardium virgo Reeve, 1845 accepted as Ctenocardia virgo (Reeve, 1845)
Species Cardium visternicense Simionescu & Barbu, 1940 †
Species Cardium vitellinum Reeve, 1844 accepted as Laevicardium crassum (Gmelin, 1791)
Species Cardium vogdti Andrusov, 1902 † accepted as Cerastoderma dombra vogdti (Andrusov, 1902) †
Species Cardium volhynicum Grishkevich, 1967 † accepted as Obsoletiformes kaundensis volhynicus (Grishkevich, 1967) †
Species Cardium vulgare da Costa, 1778 accepted as Cerastoderma edule (Linnaeus, 1758)
Species Cardium vulgare Sinzov, 1876 † accepted as Pseudocatillus vulgaris (Sinzov, 1876) †
Species Cardium vulva Jousseaume, 1898 accepted as Cardium buelowi Rolle, 1896
Species Cardium waitakiense Suter, 1917 † accepted as Hedecardium waitakiense (Suter, 1917) †
Species Cardium wateleti Deshayes, 1858 † accepted as Nemocardium wateleti (Deshayes, 1858) †
Species Cardium weaveri F. M. Anderson & B. Martin, 1914 † accepted as Anechinocardium weaveri (F. M. Anderson & B. Martin, 1914) †
Species Cardium wiesenense A. Papp, 1954 † accepted as Replidacna wiesenensis (A. Papp, 1954) †
Species Cardium witchelli Lycett, 1863 †
Species Cardium xiangyunensis J.-H. Chen, 1976 †
Species Cardium yaffarense Rochebrune, 1882 †
Species Cardium yingxiensis B.-Y. Huang & X.-Q. Zhang, 1982 †
Species Cardium zhizhchenki Steklov, 1955 † accepted as Obsoletiformes zhizhchenki (Steklov, 1955) †
Species Cardium zhizhchenkoi A. A. Ali-Zade, 1967 † accepted as Aktschagylocardium aligerum (Uspenskaja, 1931) †
Species Cardium zonatum T. Brown, 1827 accepted as Cerastoderma glaucum (Bruguière, 1789)
Genus Eucardium P. Fischer, 1887 accepted as Acanthocardia J. E. Gray, 1851
Genus Europicardium S. V. Popov, 1977 (8)
Genus Fulvia J. E. Gray, 1853 (18)
Genus Orbis Blainville, 1825 accepted as Acanthocardia J. E. Gray, 1851
Genus Pectunculus Mörch, 1853 accepted as Vepricardium Iredale, 1929
Genus Procardium ter Poorten & La Perna, 2017 (7)
Genus Pseudofulvia J. Vidal & Kirkendale, 2007 (5)
Genus Rudicardia Coen, 1915 accepted as Acanthocardia J. E. Gray, 1851
Genus Schedocardia R. B. Stewart, 1930 † (5)
Genus Vepricardium Iredale, 1929 (10)
Subfamily Cerastodermatinae F. Nordsieck, 1969 accepted as Cerastodermatini F. Nordsieck, 1969
Subfamily Clinocardiinae Kafanov, 1975 (17)
Subfamily Fraginae R. B. Stewart, 1930 (52)
Subfamily Goethemiinae M. Huber, 2010 accepted as Lymnocardiinae Stoliczka, 1870
Subfamily Hypaninae Starobogatov, 1970 accepted as Adacnini Gill, 1871
Subfamily Laevicardiinae Keen, 1951 (29)
Subfamily Lahilliinae H. J. Finlay & Marwick, 1937 † (11)
Subfamily Lymnocardiinae Stoliczka, 1870 (950)
Subfamily Nemocardiinae ter Poorten, 2023 (107)
Subfamily Orthocardiinae J. A. Schneider, 2002 (67)
Subfamily Pleuriocardiinae J. A. Schneider, 1995 † (3)
Subfamily Profraginae Badve, 1977 † (6)
Subfamily Protocardiinae Bronn, 1849 † (37)
Subfamily Stylodacninae Papaianopol, 1987 † accepted as Prosodacnini Keen, 1937 †
Subfamily Trachycardiinae R. B. Stewart, 1930 (120)
Subfamily Tridacninae Lamarck, 1819 (19)
Tribe Clinocardiini Kafanov, 1975 accepted as Clinocardiinae Kafanov, 1975
Tribe Serripedini Kafanov, 1975 accepted as Clinocardiinae Kafanov, 1975
Genus Cerastes Poli, 1795 accepted as Cardium (Cerastoderma) Poli, 1795
Genus Divaricardium Dollfus & Dautzenberg, 1886 † (2)
Genus Fuscocardium Oyama, 1973 † accepted as Clinocardium Keen, 1936
Genus Trigonocardia [sic] accepted as Trigoniocardia Dall, 1900
Family Chametracheidae H. Adams & A. Adams, 1857 accepted as Tridacninae Lamarck, 1819
Family Clinocardiidae Kafanov, 1975 accepted as Clinocardiinae Kafanov, 1975
Family Fragidae R. B. Stewart, 1930 accepted as Fraginae R. B. Stewart, 1930
Family Goniocardiidae Scarlato & Starobogatov, 1979 † accepted as Tridacninae Lamarck, 1819
Family Lymnocardiidae Stoliczka, 1870 accepted as Lymnocardiinae Stoliczka, 1870
Family Pterocardiidae Scarlato & Starobogatov, 1979 † (10)
Family Tridacnidae Lamarck, 1819 accepted as Tridacninae Lamarck, 1819
Superfamily Tellinacea accepted as Tellinoidea Blainville, 1814
Superfamily Tellinoidea Blainville, 1814 (1 304)
Superfamily Tridacnoidea accepted as Tridacninae Lamarck, 1819
Order Galeommatida (791)
Order Gastrochaenida (43)
Order Hiatellida represented as Adapedonta
Order Hippuritida † (321)
Order Lucinida (997)
Order Megalodontida † (141)
Order Modiomorphida † (94)
Order Myacea accepted as Myida
Order Myida (924)
Order Sphaeriida (662)
Order Venerida (2 821)
Superfamily Cyamioidea G. O. Sars, 1878 (98)
Superfamily Gaimardioidea Hedley, 1916 accepted as Cyamioidea G. O. Sars, 1878
Superfamily Galeommatacea accepted as Galeommatoidea J. E. Gray, 1840
Superfamily Grammysioidea S. A. Miller, 1877 † (90)
Superfamily Kalenteroidea Marwick, 1953 † (39)
Superfamily Mactracea accepted as Mactroidea Lamarck, 1809
Order Anomalodesmacea accepted as Anomalodesmata
Order Euheterodonta incertae sedis (27)
Order Pholadomyida represented as Anomalodesmata
Family Lipanellidae T. M. Sánchez, 2005 † (4)
Family Rhaetidiidae Dominici & Danise, 2024 † (2)
Subterclass Heterodonta
Subterclass Palaeoheterodonta (4 072)
Superorder Heteroconchia incertae sedis † (1)
Infraclass Pteriomorphia (6 658)
Subclass Bivalvia incertae sedis (7)
Subclass Palaeotaxodonta accepted as Nuculida
Subclass Paleoheterodonta accepted as Palaeoheterodonta
Subclass Protobranchia (1 365)
Infraclass Cryptodonta † (342)
Class Caudofoveata (143)
Class Cephalopoda (1 834)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 697)
Class Lamellibranchiata accepted as Bivalvia
Class Loricata accepted as Polyplacophora
Class Mollusca incertae sedis † (372)
Class Monoplacophora (229)
Class Pelecypoda accepted as Bivalvia
Class Polyplacophora (1 377)
Class Polyplaxiphora accepted as Polyplacophora
Class Rostroconchia † (64)
Class Scaphopoda (752)
Class Solenoconchia accepted as Scaphopoda
Class Solenogastres (313)
Subclass Chaetodermomorpha accepted as Caudofoveata