WoRMS taxon details
Cardium Linnaeus, 1758
137734 (urn:lsid:marinespecies.org:taxname:137734)
accepted
Genus
Cardium costatum Linnaeus, 1758 (type by subsequent designation)
Cardium (Cardium) Linnaeus, 1758 · unaccepted > superseded rank
Cardium (Tropidocardium) Römer, 1868 · unaccepted > junior objective synonym
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- Species Cardium agdschakendense Bobkova, 1956 †
- Species Cardium austeni d'Archiac & Haime, 1854 †
- Species Cardium bivirgatum Wanner & Hahn, 1935 †
- Species Cardium brongniarti d'Archiac, 1854 †
- Species Cardium bunburyi d'Archiac & Haime, 1854 †
- Species Cardium costatum Linnaeus, 1758
- Species Cardium deplanatum O. Boettger, 1875 †
- Species Cardium dimidiatum Bobkova, 1956 † (accepted > unreplaced junior homonym, junior homonym of Cardium dimidiatum Goldfuss, 1841)
- Species Cardium eduliforme O. Boettger, 1875 †
- Species Cardium egregium Yokoyama, 1926 †
- Species Cardium gulistanense Bobkova, 1956 †
- Species Cardium halaense d'Archiac & Haime, 1854 †
- Species Cardium hoernesianum M. Hörnes, 1861 †
- Species Cardium horneri d'Archiac & Haime, 1854 †
- Species Cardium jacquemonti d'Archiac & Haime, 1854 †
- Species Cardium lamaeforme d'Archiac & Haime, 1854 †
- Species Cardium martini O. Boettger, 1880 †
- Species Cardium maxicostatum ter Poorten, 2007
- Species Cardium parvulum K. Martin, 1879 † (accepted > unreplaced junior homonym)
- Species Cardium perobliquum K. Martin, 1883 †
- Species Cardium picteti d'Archiac & Haime, 1854 †
- Species Cardium salteri d'Archiac & Haime, 1854 †
- Species Cardium sharpei d'Archiac & Haime, 1854 †
- Species Cardium subalternatum H. M. Jenkins, 1864 †
- Species Cardium subfragile O. Boettger, 1875 †
- Species Cardium taurinum Michelotti, 1870 †
- Species Cardium tokunagai Yokoyama, 1922 †
- Species Cardium tokyoensis Tokunaga, 1906 †
- Species Cardium transcaucasicum Bobkova, 1949 †
- Species Cardium verbeeki K. Martin, 1879 †
- Subgenus Cardium (Acanthocardia) J. E. Gray, 1851 accepted as Acanthocardia J. E. Gray, 1851 (unaccepted > superseded rank)
- Species Cardium (Acanthocardia) barrandei Mayer-Eymar, 1900 † accepted as Acanthocardia turonica (M. Hörnes, 1861) † (unaccepted > junior subjective synonym)
- Species Cardium (Acanthocardia) cancellatum Nomura, 1933 † accepted as Frigidocardium nomurai (Kuroda & T. Habe, 1951) † (invalid: junior homonym of Cardium cancellatum Gmelin, 1791; C. nomurai is a replacement name)
- Species Cardium (Acanthocardia) centumpanium Andrusov, 1911 † accepted as Acanthocardia centumpania (Andrusov, 1911) †
- Species Cardium (Acanthocardia) cheribonense Oostingh, 1935 † accepted as Vepricardium cheribonense (Oostingh, 1935) † (unaccepted > superseded combination)
- Species Cardium (Acanthocardia) denticostulatum Beets, 1941 † accepted as Acanthocardia denticostulata (Beets, 1941) †
- Species Cardium (Acanthocardia) exochum Melvill, 1907 accepted as Afrocardium exochum (Melvill, 1907) (unaccepted > superseded combination)
- Species Cardium (Acanthocardia) impar Zhizhchenko, 1936 † accepted as Acanthocardia centumpania (Andrusov, 1911) † (unaccepted > junior subjective synonym)
- Species Cardium (Acanthocardia) omanense Melvill, 1907 accepted as Papillicardium omanense (Melvill, 1907) (unaccepted > superseded combination)
- Species Cardium (Acanthocardia) praechinatum Hilber, 1882 † accepted as Acanthocardia praechinata (Hilber, 1882) † accepted as Acanthocardia brocchii (Mayer, 1866) †
- Species Cardium (Acanthocardia) serrula L. R. Cox, 1927 † accepted as Cardium burnupi G. B. Sowerby III, 1897 accepted as Vepricardium burnupi (G. B. Sowerby III, 1897) (unaccepted > junior subjective synonym)
- Species Cardium (Acanthocardia) vidali Cossmann & Peyrot, 1912 † accepted as Acanthocardia vidali (Cossmann & Peyrot, 1912) † (unaccepted > superseded rank)
- Subgenus Cardium (Acanthocardium) Römer, 1868 accepted as Acanthocardia J. E. Gray, 1851 (unaccepted > junior objective synonym)
- Species Cardium (Acanthocardium) echinatum Linnaeus, 1758 accepted as Acanthocardia echinata (Linnaeus, 1758) (unaccepted > superseded combination)
- Species Cardium (Acanthocardium) mucronatum Poli, 1791 accepted as Acanthocardia echinata (Linnaeus, 1758)
- Species Cardium (Acanthocardium) novum Coen, 1941 accepted as Acanthocardia echinata (Linnaeus, 1758) (unaccepted > junior subjective synonym)
- Subgenus Cardium (Adacna) Eichwald, 1838 accepted as Adacna Eichwald, 1838 (unaccepted > superseded rank)
- Species Cardium (Adacna) boeckhi Halaváts, 1882 † accepted as Lymnocardium boeckhi (Halaváts, 1882) † (unaccepted > superseded combination)
- Species Cardium (Adacna) hofmanni Halaváts, 1882 † accepted as Lymnocardium hofmanni (Halaváts, 1882) † (unaccepted > superseded combination)
- Species Cardium (Adacna) pseudosuessi Halaváts, 1886 † accepted as Lymnocardium carnuntinum (M. Hörnes, 1861) † (unaccepted > junior subjective synonym)
- Species Cardium (Adacna) purocostatum Halaváts, 1886 † accepted as Lymnocardium purocostatum (Halaváts, 1886) † (unaccepted > superseded combination)
- Species Cardium (Adacna) rothi Halaváts, 1886 † accepted as Lymnocardium rothi (Halaváts, 1886) † (unaccepted > superseded combination)
- Species Cardium (Adacna) semseyi Halaváts, 1892 † accepted as Lymnocardium (Budmania) cristagalli (L. Róth, 1878) † represented as Lymnocardium cristagalli (L. Róth, 1878) † (unaccepted > junior subjective synonym)
- Species Cardium (Adacna) tegulatum Halaváts, 1886 † accepted as Lymnocardium tegulatum (Halaváts, 1886) † (unaccepted > superseded combination)
- Species Cardium (Adacna) triangulatocostatum Halaváts, 1882 † accepted as Lymnocardium triangulatocostatum (Halaváts, 1882) † (unaccepted > superseded combination)
- Species Cardium (Adacna) winkleri Halaváts, 1882 † accepted as Lymnocardium winkleri (Halaváts, 1882) † (unaccepted > superseded combination)
- Subgenus Cardium (Americardia) R. B. Stewart, 1930 accepted as Americardia R. B. Stewart, 1930 (unaccepted > superseded rank)
- Species Cardium (Americardia) stewarti Olsson, 1932 † (uncertain > unassessed)
- Subgenus Cardium (Amphicardium) E. von Martens, 1880 accepted as Lyrocardium Meek, 1876 (unaccepted > junior objective synonym)
- Subgenus Cardium (Archicardium) F. Sandberger, 1863 accepted as Acanthocardia J. E. Gray, 1851 (unaccepted > junior subjective synonym)
- Subgenus Cardium (Avicardium) V. P. Kolesnikov, 1950 † accepted as Avicardium V. P. Kolesnikov, 1950 † (unaccepted > superseded rank)
- Species Cardium (Avicardium) latschinjani K. A. Ali-Zade, 1954 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
- Species Cardium (Avicardium) transcaspicum (Andrusov, 1902) † accepted as Avicula transcaspica Andrusov, 1902 †
- Species Cardium (Avicardium) trigonale K. A. Ali-Zade, 1954 † accepted as Aktschagylocardium aligerum (Uspenskaja, 1931) † (unaccepted > junior subjective synonym)
- Species Cardium (Avicardium) uspenskaiae V. P. Kolesnikov, 1950 † accepted as Aktschagylocardium uspenskaiae (V. P. Kolesnikov, 1950) † (unaccepted > superseded combination)
- Subgenus Cardium (Bucardium) J. E. Gray, 1853 accepted as Bucardium J. E. Gray, 1853 (unaccepted > superseded rank)
- Species Cardium (Bucardium) bazini Deshayes, 1858 † accepted as Bucardium bazini (Deshayes, 1858) † (unaccepted > superseded combination)
- Species Cardium (Bucardium) subfragile A. d'Orbigny, 1850 † accepted as Bucardium subfragile (A. d'Orbigny, 1850) † (unaccepted > superseded combination)
- Subgenus Cardium (Cardium) Linnaeus, 1758 accepted as Cardium Linnaeus, 1758 (unaccepted > superseded rank)
- Subgenus Cardium (Cerastoderma) Poli, 1795 accepted as Cerastoderma Poli, 1795 (unaccepted > superseded rank)
- Species Cardium (Cerastoderma) acerbum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes acerbus (V. P. Kolesnikov, 1929) †
- Species Cardium (Cerastoderma) agheilensis Kaltenbach, 1949 accepted as Cerastoderma glaucum (Bruguière, 1789) (unaccepted > junior subjective synonym)
- Species Cardium (Cerastoderma) arcaeforme O. Boettger, 1880 † accepted as Cerastoderma arcaeforme (O. Boettger, 1880) † (superseded combination)
- Species Cardium (Cerastoderma) bajarunasi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes bajarunasi (V. P. Kolesnikov, 1929) †
- Species Cardium (Cerastoderma) barboti R. Hoernes, 1874 † accepted as Replidacna barboti (R. Hoernes, 1874) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) bengasiensis Kaltenbach, 1943 accepted as Cerastoderma glaucum (Bruguière, 1789) (unaccepted > junior subjective synonym)
- Species Cardium (Cerastoderma) boinitzense Kojumdgieva, 1969 † accepted as Replidacna boinitzensis (Kojumdgieva, 1969) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) chersonense Nosovskiy, 1962 † accepted as Cerastoderma chersonense (Nosovskiy, 1962) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) chipolanum Dall, 1900 † accepted as Dinocardium chipolanum (Dall, 1900) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) concameratum Hölzl, 1957 † accepted as Cerastoderma concameratum (Hölzl, 1957) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) desperatum (V. P. Kolesnikov, 1929) † accepted as Obsoletiformes desperatus (V. P. Kolesnikov, 1929) †
- Species Cardium (Cerastoderma) doengingki Sinzov, 1876 † accepted as Planacardium dongingii (Sinzov, 1876) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) edule Linnaeus, 1758 accepted as Cerastoderma edule (Linnaeus, 1758) (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) fittoni A. d'Orbigny, 1845 † accepted as Plicatiformes fittoni (A. d'Orbigny, 1845) †
- Species Cardium (Cerastoderma) fortelamellatum Hölzl, 1958 † accepted as Acanthocardia fortelamellata (Hölzl, 1958) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) fucanum Dall, 1907 accepted as Keenocardium blandum (A. Gould, 1850) (unaccepted > junior subjective synonym)
- Species Cardium (Cerastoderma) gatuevi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes gatuevi (V. P. Kolesnikov, 1929) †
- Species Cardium (Cerastoderma) gleichenbergense A. Papp, 1954 † accepted as Replidacna nigra (Zhizhchenko, 1934) † (unaccepted > junior subjective synonym)
- Species Cardium (Cerastoderma) helmerseni Il'ina, 1960 † accepted as Cerastoderma prigorovskii (Bogachev, 1958) † (unaccepted > junior subjective synonym)
- Species Cardium (Cerastoderma) inflatum Sinzov, 1875 † accepted as Aviculocardium inflatum (Sinzov, 1875) †
- Species Cardium (Cerastoderma) ingratum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obsoletus ingratus (V. P. Kolesnikov, 1929) †
- Species Cardium (Cerastoderma) iranjanense Fischer-Piette, 1977 accepted as Fragum erugatum (Tate, 1889) (unaccepted > junior subjective synonym)
- Species Cardium (Cerastoderma) kishinevense (V. P. Kolesnikov, 1929) † accepted as Obsoletiformes kishinevensis (V. P. Kolesnikov, 1929) †
- Species Cardium (Cerastoderma) kolesnikovi Davitashvili, 1932 † accepted as Obsoletiforma beaumontiana ("A. d'Orbigny, 1844") † accepted as Obsoletiformes obsoletus (Eichwald, 1830) † (unaccepted > junior subjective synonym)
- Species Cardium (Cerastoderma) kujoricum Kojumdgieva, 1969 † accepted as Plicatiformes praeplicatus (Hilber, 1882) † (unaccepted > junior subjective synonym)
- Species Cardium (Cerastoderma) laevigatoloweni (V. P. Kolesnikov, 1929) † accepted as Kubanocardium laevigatoloweni (V. P. Kolesnikov, 1929) †
- Species Cardium (Cerastoderma) lamarckii Reeve, 1845 accepted as Cerastoderma glaucum (Bruguière, 1789)
- Species Cardium (Cerastoderma) lavrani Fischer-Piette, 1977 accepted as Cardium turtoni G. B. Sowerby III, 1894 accepted as Papillicardium turtoni (G. B. Sowerby III, 1894) (unaccepted > junior subjective synonym)
- Species Cardium (Cerastoderma) levinae Merklin, 1960 † accepted as Cerastoderma prigorovskii (Bogachev, 1958) † (unaccepted > junior subjective synonym)
- Species Cardium (Cerastoderma) lithopodolicum (Du Bois de Montpéreux, 1831) † accepted as Obsoletiformes lithopodolicus (Du Bois de Montpéreux, 1831) †
- Species Cardium (Cerastoderma) loweni Sinzov, 1875 † accepted as Kubanocardium loweni (Sinzov, 1875) †
- Species Cardium (Cerastoderma) michailowi Toula, 1892 † accepted as Obsoletiformes michailowii (Toula, 1892) †
- Species Cardium (Cerastoderma) nefandum V. P. Kolesnikov, 1935 † accepted as Obsoletiformes nefanda (V. P. Kolesnikov, 1935) †
- Species Cardium (Cerastoderma) obsoletiformes V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obsoletiformis (V. P. Kolesnikov, 1929) †
- Species Cardium (Cerastoderma) obsoletum Eichwald, 1830 † accepted as Obsoletiformes obsoletus (Eichwald, 1830) †
- Species Cardium (Cerastoderma) plicatum Eichwald, 1830 † accepted as Plicatiformes plicatus (Eichwald, 1830) †
- Species Cardium (Cerastoderma) politioanei Jekelius, 1944 † accepted as Replidacna politioanei (Jekelius, 1944) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) praefischerianum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes praefischerianus (V. P. Kolesnikov, 1929) †
- Species Cardium (Cerastoderma) prigorovskii Bogachev, 1958 † accepted as Cerastoderma prigorovskii (Bogachev, 1958) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) pseudosemiculcatum Andrusov, 1902 † accepted as Obsoletiformes pseudosemisulcatus (Andrusov, 1902) †
- Species Cardium (Cerastoderma) quadripartitum (V. P. Kolesnikov, 1929) † accepted as Obsoletiformes quadripartitus (V. P. Kolesnikov, 1929) †
- Species Cardium (Cerastoderma) rectidens Coen, 1915 accepted as Cerastoderma glaucum (Bruguière, 1789) (unaccepted > junior subjective synonym)
- Species Cardium (Cerastoderma) sarmaticum (V. P. Kolesnikov, 1931) † accepted as Obsoletiformes sarmaticus (V. P. Kolesnikov, 1929) †
- Species Cardium (Cerastoderma) serogosicum Nosovskiy, 1962 † accepted as Cerastoderma serogosicum (Nosovskiy, 1962) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) suessi Barbot de Marny, 1869 † accepted as Replidacna suessi (Barbot de Marny, 1869) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) tzankovi Kojumdgieva, 1969 † accepted as Plicatiformes tzankovi (Kojumdgieva, 1969) † (unaccepted > superseded combination)
- Species Cardium (Cerastoderma) laqueatum Conrad, 1838 † represented as Cerastoderma laqueatum (Conrad, 1838) †
- Species Cardium (Cerastoderma) virginianum Conrad, 1839 † represented as Cerastoderma virginianum (Conrad, 1839) †
- Species Cardium (Cerastoderma) kokkupicum Andrusov, 1917 † (uncertain > taxon inquirendum)
- Species Cardium (Cerastoderma) ventricosum Hölzl, 1953 † (uncertain > taxon inquirendum)
- Subgenus Cardium (Clinocardium) Keen, 1936 accepted as Clinocardium Keen, 1936 (unaccepted > superseded rank)
- Species Cardium (Clinocardium) pseudofastosum Nomura, 1937 † accepted as Clinocardium pseudofastosum (Nomura, 1937) † (unaccepted > superseded rank)
- Subgenus Cardium (Corculum) Röding, 1798 accepted as Corculum Röding, 1798 (unaccepted > superseded rank)
- Species Cardium (Corculum) humanum Römer, 1869 accepted as Cardium cardissa Linnaeus, 1758 accepted as Corculum cardissa (Linnaeus, 1758) (unaccepted > junior homonym, non Cardium humanum Linnaeus, 1758)
- Subgenus Cardium (Ctenocardia) H. Adams & A. Adams, 1857 accepted as Ctenocardia H. Adams & A. Adams, 1857 (unaccepted > superseded rank)
- Species Cardium (Ctenocardia) translatum Prashad, 1932 accepted as Cardium robillardi G. B. Sowerby III, 1894 accepted as Microfragum robillardi (G. B. Sowerby III, 1894) (unaccepted > junior subjective synonym, replacement name for Cardium rigidum Reeve, 1845, non W. Wood, 1815)
- Species Cardium (Ctenocardia) victor Angas, 1872 accepted as Freneixicardia victor (Angas, 1872) (unaccepted > superseded combination)
- Subgenus Cardium (Didacna) Eichwald, 1838 accepted as Didacna Eichwald, 1838 (unaccepted > superseded rank)
- Species Cardium (Didacna) fuchsi Philippson, 1890 † accepted as Didacna fuchsi (Philippson, 1890) † (unaccepted > superseded combination)
- Species Cardium (Didacna) otiophorum (Brusina, 1884) † accepted as Pontalmyra otiophora (Brusina, 1884) † (unaccepted > superseded combination)
- Species Cardium (Didacna) plesiochorum Davitashvili, 1930 † accepted as Pontalmyra plesiochora (Davitashvili, 1930) † (unaccepted > superseded combination)
- Species Cardium (Didacna) dynamis Shvets, 1912 † (uncertain > taxon inquirendum)
- Subgenus Cardium (Dinocardium) Dall, 1900 accepted as Dinocardium Dall, 1900 (unaccepted > superseded rank)
- Species Cardium (Dinocardium) ecuadorialis Olsson, 1932 † accepted as Dinocardium ecuadoriale (Olsson, 1932) † (unaccepted > superseded rank)
- Subgenus Cardium (Discors) Deshayes, 1858 † accepted as Discors Deshayes, 1858 (unaccepted > superseded rank)
- Species Cardium (Discors) discrepans Basterot, 1825 † accepted as Divaricardium discrepans (Basterot, 1825) † (unaccepted > superseded combination)
- Species Cardium (Discors) gloriosus Kuroda, 1928 accepted as Lyrocardium aurantiacum (A. Adams & Reeve, 1850) (unaccepted > junior subjective synonym)
- Species Cardium (Discors) kelirensis K. Martin, 1917 † accepted as Divaricardium kelirense (K. Martin, 1917) † (unaccepted > superseded combination)
- Subgenus Cardium (Divaricardium) Dollfus & Dautzenberg, 1886 † accepted as Divaricardium Dollfus & Dautzenberg, 1886 † (unaccepted > superseded rank)
- Species Cardium (Divaricardium) discrepans Basterot, 1825 † accepted as Discors discrepans (Basterot, 1825) † accepted as Divaricardium discrepans (Basterot, 1825) †
- Subgenus Cardium (Divergicardium) Dunker, 1882 accepted as Lyrocardium Meek, 1876 (unaccepted > junior objective synonym)
- Subgenus Cardium (Eoprosodacna) Davitashvili, 1934 † accepted as Eoprosodacna Davitashvili, 1934 † (unaccepted > superseded rank)
- Species Cardium (Eoprosodacna) goriense Davitashvili, 1934 † accepted as Eoprosodacna goriensis (Davitashvili, 1934) † (unaccepted > superseded combination)
- Species Cardium (Eoprosodacna) kartlicum Davitashvili, 1934 † accepted as Eoprosodacna (Eoprosodacna) kartlica (Davitashvili, 1934) † represented as Eoprosodacna kartlica (Davitashvili, 1934) † (unaccepted > superseded combination)
- Subgenus Cardium (Ethmocardium) C. A. White, 1880 † accepted as Ethmocardium C. A. White, 1880 † (unaccepted > superseded rank)
- Subgenus Cardium (Eucardium) P. Fischer, 1887 accepted as Acanthocardia J. E. Gray, 1851 (unaccepted > junior objective synonym)
- Subgenus Cardium (Fragum) Röding, 1798 accepted as Fragum Röding, 1798 (unaccepted > superseded rank)
- Species Cardium (Fragum) alfuricum P. J. Fischer, 1921 † accepted as Fragum alfuricum (P. J. Fischer, 1921) † accepted as Cardium virgo Reeve, 1845 accepted as Ctenocardia virgo (Reeve, 1845) (unaccepted > superseded combination)
- Species Cardium (Fragum) centumliratum Melvill, 1907 accepted as Frigidocardium centumliratum (Melvill, 1907) (unaccepted > superseded combination)
- Species Cardium (Fragum) crenelloides Melvill, 1909 accepted as Cardium crenelloides Melvill, 1909 accepted as Afrocardium richardi (Audouin, 1826) (unaccepted > junior subjective synonym)
- Species Cardium (Fragum) dolichum Suter, 1917 † accepted as Procardia dolicha (Suter, 1917) † (superseded combination)
- Species Cardium (Fragum) elattocostatum Woodring, 1925 † accepted as Cardium guppyi Thiele, 1910 accepted as Americardia guppyi (Thiele, 1910) (unaccepted > junior subjective synonym)
- Species Cardium (Fragum) eos Kuroda, 1929 accepted as Frigidocardium eos (Kuroda, 1929) (unaccepted > superseded combination)
- Species Cardium (Fragum) javanum Wanner & Hahn, 1935 † accepted as Fragum javanum (Wanner & Hahn, 1935) † (unaccepted > superseded combination)
- Species Cardium (Fragum) maorinum Suter, 1917 † accepted as Procardia dolicha (Suter, 1917) † (junior subjective synonym)
- Species Cardium (Fragum) medium Linnaeus, 1758 accepted as Americardia media (Linnaeus, 1758) (unaccepted > superseded combination)
- Species Cardium (Fragum) priscum Suter, 1917 † accepted as Hedecardium brunneri (Hector, 1886) † (junior subjective synonym)
- Species Cardium (Fragum) roseolum Melvill, 1909 accepted as Afrocardium richardi (Audouin, 1826) (unaccepted > junior subjective synonym)
- Species Cardium (Fragum) rubescens E. A. Smith, 1911 accepted as Afrocardium richardi (Audouin, 1826) (unaccepted > junior subjective synonym)
- Species Cardium (Fragum) simillimum E. A. Smith, 1896 accepted as Microcardium simillimum (E. A. Smith, 1896) (unaccepted > superseded combination)
- Species Cardium (Fragum) torresi E. A. Smith, 1885 accepted as Frigidocardium torresi (E. A. Smith, 1885) (unaccepted > superseded combination)
- Species Cardium (Fragum) haitense G. B. Sowerby I, 1850 † represented as Cardium haitense G. B. Sowerby I, 1850 †
- Subgenus Cardium (Fulvia) J. E. Gray, 1853 accepted as Fulvia J. E. Gray, 1853 (unaccepted > superseded rank)
- Species Cardium (Fulvia) peramabilis Dall, 1881 accepted as Microcardium peramabile (Dall, 1881) (unaccepted > superseded combination)
- Subgenus Cardium (Glans) Megerle von Mühlfeld, 1811 accepted as Glans Megerle von Mühlfeld, 1811 (unaccepted > superseded rank)
- Species Cardium (Glans) kaiparaensis P. Marshall, 1918 † accepted as Glyptoactis subintermedia (Suter, 1917) † (junior subjective synonym)
- Subgenus Cardium (Hemidiscors) Rovereto, 1898 † accepted as Discors Deshayes, 1858 (unaccepted > junior subjective synonym)
- Species Cardium (Hemidiscors) rugiferum Rovereto, 1898 † (uncertain > taxon inquirendum)
- Subgenus Cardium (Inaequicostata) Paramonova, 1971 † accepted as Replidacna Jekelius, 1944 † (unaccepted > junior subjective synonym)
- Species Cardium (Inaequicostata) vasoevitshi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes pseudofischerianus vasoevitshi (V. P. Kolesnikov, 1929) † (unaccepted > superseded combination)
- Species Cardium (Inaequicostata) wiesenense A. Papp, 1954 † accepted as Replidacna wiesenensis (A. Papp, 1954) † (unaccepted > superseded combination)
- Subgenus Cardium (Incacardium) Olsson, 1944 † accepted as Incacardium Olsson, 1944 † (unaccepted > superseded rank)
- Species Cardium (Incacardium) mellisum Olsson, 1944 † accepted as Incacardium mellisum (Olsson, 1944) † (unaccepted > superseded combination)
- Subgenus Cardium (Kathocardia) H. I. Tucker & D. Wilson, 1932 † accepted as Cardium (Trachycardium) Mörch, 1853 accepted as Trachycardium Mörch, 1853 (unaccepted > junior subjective synonym)
- Species Cardium (Kathocardia) aclinensis H. I. Tucker & D. Wilson, 1932 † accepted as Trachycardium aclinense (H. I. Tucker & D. Wilson, 1932) † (unaccepted > superseded combination)
- Subgenus Cardium (Kubanocardium) Muskhelishvili, 1965 † accepted as Kubanocardium Muskhelishvili, 1965 † (unaccepted > superseded rank)
- Subgenus Cardium (Laevicardium) Swainson, 1840 accepted as Laevicardium Swainson, 1840 (unaccepted > superseded rank)
- Species Cardium (Laevicardium) auberti Abrard, 1947 † accepted as Nemocardium auberti (Abrard, 1947) † (unaccepted > superseded combination)
- Species Cardium (Laevicardium) automolos K. Martin, 1917 † accepted as Laevicardium automolos (K. Martin, 1917) † (unaccepted > superseded combination)
- Species Cardium (Laevicardium) clarionense Hertlein & A. M. Strong, 1947 accepted as Laevicardium clarionense (Hertlein & A. M. Strong, 1947) (unaccepted > superseded rank)
- Species Cardium (Laevicardium) glabratum Römer, 1869 accepted as Cardium pristis Bory de Saint-Vincent, 1827 accepted as Laevicardium pristis (Bory de Saint-Vincent, 1827) (unaccepted > junior subjective synonym)
- Species Cardium (Laevicardium) jobanicum Yokoyama, 1924 † accepted as Leukoma jobanica (Yokoyama, 1924) † (unaccepted > superseded combination)
- Species Cardium (Laevicardium) mansfieldi Abrard, 1947 † accepted as Acrosterigma mansfieldi (Abrard, 1947) † (unaccepted > superseded combination)
- Species Cardium (Laevicardium) norvegicum Spengler, 1799 accepted as Laevicardium crassum (Gmelin, 1791)
- Species Cardium (Laevicardium) serratum Linnaeus, 1758 accepted as Laevicardium serratum (Linnaeus, 1758) (unaccepted > superseded combination)
- Species Cardium (Laevicardium) squalidum Yokoyama, 1924 † accepted as Serripes squalidum (Yokoyama, 1924) † (unaccepted > superseded combination)
- Species Cardium (Laevicardium) tristiculum Yokoyama, 1924 † accepted as Nemocardium tristiculum (Yokoyama, 1924) † (unaccepted > superseded combination)
- Species Cardium (Laevicardium) loxotenes O. Boettger, 1883 † (uncertain > taxon inquirendum)
- Species Cardium (Laevicardium) venustum Gabb, 1873 † (uncertain > unassessed)
- Subgenus Cardium (Limnocardium) [sic] † accepted as Lymnocardium Stoliczka, 1870 † (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium (Limnocardium) latisulcum Münster, 1837 † accepted as Plicatiformes latisulcus (Münster, 1837) † (unaccepted > superseded combination)
- Species Cardium (Limnocardium) plicatolitorale Sinzov, 1897 † accepted as Pseudoprosodacna littoralis plicatolitoralis (Sinzov, 1897) † (superseded rank and combination)
- Species Cardium (Limnocardium) subpapyraceum Sinzov, 1897 † (uncertain > taxon inquirendum)
- Subgenus Cardium (Lophocardium) P. Fischer, 1887 accepted as Lophocardium P. Fischer, 1887 (unaccepted > superseded rank)
- Species Cardium (Lophocardium) annettae Dall, 1889 accepted as Lophocardium annettae (Dall, 1889) (unaccepted > superseded combination)
- Subgenus Cardium (Loxocardium) Cossmann, 1886 † accepted as Loxocardium Cossmann, 1886 † (unaccepted > superseded rank, original rank)
- Species Cardium (Loxocardium) djunggranganense K. Martin, 1917 † accepted as Loxocardium djunggranganense (K. Martin, 1917) † (unaccepted > superseded combination)
- Species Cardium (Loxocardium) karikalense Cossmann, 1924 † accepted as Cardium virgo Reeve, 1845 accepted as Ctenocardia virgo (Reeve, 1845) (unaccepted > junior subjective synonym)
- Subgenus Cardium (Monodacna) Eichwald, 1838 accepted as Monodacna Eichwald, 1838 (unaccepted > superseded rank)
- Species Cardium (Monodacna) falunica Shvets, 1912 † accepted as Monodacna falunica (Shvets, 1912) † (unaccepted > superseded combination)
- Species Cardium (Monodacna) jammense Hilber, 1891 † accepted as Plicatiformes latisulcus jammensis (Hilber, 1891) † (unaccepted > superseded combination)
- Subgenus Cardium (Nemocardium) Meek, 1876 accepted as Nemocardium Meek, 1876 (unaccepted > superseded rank)
- Species Cardium (Nemocardium) jogjacartense K. Martin, 1917 † accepted as Pseudofulvia jogjacartense (K. Martin, 1917) † (unaccepted > superseded combination)
- Species Cardium (Nemocardium) samarangae Makiyama, 1934 accepted as Keenaea samarangae (Makiyama, 1934) (unaccepted > superseded combination)
- Species Cardium (Nemocardium) toriii Nomura, 1933 † accepted as Nemocardium toriii (Nomura, 1933) † (unaccepted > superseded combination)
- Subgenus Cardium (Obsoletiforma) Paramonova, 1971 † accepted as Obsoletiformes Kojumdgieva, 1969 † (unaccepted > unjustified emendation)
- Subgenus Cardium (Obsoletiformes) Kojumdgieva, 1969 † accepted as Obsoletiformes Kojumdgieva, 1969 † (unaccepted > superseded rank)
- Subgenus Cardium (Orthocardium) Tremlett, 1950 † accepted as Orthocardium Tremlett, 1950 † (unaccepted > superseded rank)
- Species Cardium (Orthocardium) bouryi Cossmann, 1886 † accepted as Orthocardium bouryi (Cossmann, 1886) † (unaccepted > superseded combination)
- Species Cardium (Orthocardium) gratum (Defrance, 1829) † accepted as Orthocardium gratum (Defrance, 1829) † (unaccepted > superseded combination)
- Species Cardium (Orthocardium) hybridum Deshayes, 1829 † accepted as Orthocardium hybridum (Deshayes, 1829) † (unaccepted > superseded combination)
- Species Cardium (Orthocardium) morleti de Raincourt, 1870 † accepted as Orthocardium morleti (de Raincourt, 1870) † (unaccepted > superseded combination)
- Species Cardium (Orthocardium) munieri (Chavan, 1941) † accepted as Orthocardium munieri (Chavan, 1941) † (unaccepted > superseded combination)
- Species Cardium (Orthocardium) porulosum (Solander, 1766) † accepted as Orthocardium porulosum (Solander, 1766) † (unaccepted > superseded combination)
- Species Cardium (Orthocardium) stilpnaulax Cossmann, 1886 † accepted as Orthocardium stilpnaulax (Cossmann, 1886) † (unaccepted > superseded combination)
- Species Cardium (Orthocardium) trifidum Deshayes, 1858 † accepted as Orthocardium trifidum (Deshayes, 1858) † (unaccepted > superseded combination)
- Subgenus Cardium (Papillicardium) Sacco, 1899 accepted as Papillicardium Sacco, 1899 (unaccepted > superseded rank)
- Species Cardium (Papillicardium) papillosum Poli, 1791 accepted as Papillicardium papillosum (Poli, 1791) (unaccepted > superseded rank)
- Species Cardium (Papillicardium) praehispidiforme Bagdasarian, 1970 † accepted as Parvicardium praehispidiforme (Bagdasarian, 1970) † (unaccepted > superseded combination)
- Species Cardium (Papillicardium) sakharaulense Bagdasarian, 1970 † accepted as Parvicardium sakharaulense (Bagdasarian, 1970) † (unaccepted > superseded combination)
- Subgenus Cardium (Papyridea) Swainson, 1840 accepted as Papyridea Swainson, 1840 (unaccepted > superseded rank)
- Species Cardium (Papyridea) bulbosum Dall, 1900 † accepted as Papyridea bulbosa (Dall, 1900) †
- Species Cardium (Papyridea) crockeri A. M. Strong & Hertlein, 1937 accepted as Papyridea crockeri (A. M. Strong & Hertlein, 1937) (unaccepted > superseded combination, original combination)
- Species Cardium (Papyridea) hungerfordi G. B. Sowerby III, 1901 accepted as Fulvia (Laevifulvia) hungerfordi (G. B. Sowerby III, 1901) accepted as Fulvia hungerfordi (G. B. Sowerby III, 1901) (unaccepted > superseded combination)
- Species Cardium (Papyridea) semisulcatum J. E. Gray, 1825 accepted as Papyridea semisulcata (J. E. Gray, 1825) (unaccepted > superseded rank)
- Species Cardium (Papyridea) spinosum (Meuschen, 1787) accepted as Papyridea lata (Born, 1778) (unaccepted > junior subjective synonym)
- Subgenus Cardium (Paradacna) Andrusov, 1909 † accepted as Paradacna Andrusov, 1909 † (unaccepted > superseded rank)
- Subgenus Cardium (Parvicardium) Monterosato, 1884 accepted as Parvicardium Monterosato, 1884 (unaccepted > superseded rank, original rank)
- Species Cardium (Parvicardium) fragulinum Cossmann, 1896 † accepted as Parvicardium fragulinum (Cossmann, 1896) † (unaccepted > superseded rank)
- Species Cardium (Parvicardium) liverovskayae Merklin, 1950 † accepted as Parvicardium liverovskayae (Merklin, 1950) †
- Species Cardium (Parvicardium) minimum (R. A. Philippi, 1836) accepted as Papillicardium minimum (R. A. Philippi, 1836)
- Species Cardium (Parvicardium) papillosum Poli, 1791 † accepted as Papillicardium papillosum (Poli, 1791) (unaccepted > superseded combination)
- Species Cardium (Parvicardium) straeleni Glibert, 1945 † accepted as Parvicardium straeleni (Glibert, 1945) † (unaccepted > superseded combination)
- Species Cardium (Parvicardium) subhispidum Hilber, 1882 † accepted as Parvicardium subhispidum (Hilber, 1882) †
- Subgenus Cardium (Phyllicardium) [sic!] † accepted as Phyllocardium P. Fischer, 1887 † (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium (Phyllicardium) dongingi Sinzov, 1876 † accepted as Planacardium dongingii (Sinzov, 1876) † (unaccepted > superseded combination)
- Subgenus Cardium (Plagiocardium) Cossmann, 1886 † accepted as Plagiocardium Cossmann, 1886 † (unaccepted > superseded rank, original rank)
- Species Cardium (Plagiocardium) hirsutum Bronn, 1831 † accepted as Afrocardium hirsutum (Bronn, 1831) †
- Species Cardium (Plagiocardium) plagiomorphum Cossmann, 1886 † accepted as Parvicardium plagiomorphum (Cossmann, 1886) † (unaccepted > superseded combination)
- Subgenus Cardium (Protocardia) Beyrich, 1845 † accepted as Protocardia Beyrich, 1845 † (unaccepted > superseded rank)
- Species Cardium (Protocardia) hornesi Deshayes, 1858 † accepted as Nemocardium hornesi (Deshayes, 1858) † (unaccepted > superseded combination)
- Species Cardium (Protocardia) appressum Gabb, 1877 † (uncertain > unassessed)
- Species Cardium (Protocardia) judaicum Hamlin, 1884 † (uncertain > unassessed)
- Species Cardium (Protocardia) linteum Conrad, 1860 † (uncertain > unassessed)
- Subgenus Cardium (Protocardium) Geinitz, 1874 † accepted as Protocardia Beyrich, 1845 † (unjustified emendation)
- Species Cardium (Protocardium) antisemigranulatum McCoy, 1877 † accepted as Pratulum antisemigranulatum (McCoy, 1877) † accepted as Nemocardium antisemigranulatum (McCoy, 1877) † (unaccepted > superseded combination)
- Species Cardium (Protocardium) translucidum Gabb, 1869 † (uncertain > unassessed)
- Subgenus Cardium (Pseudocardita) Oppenheim, 1919 † accepted as Didacna Eichwald, 1838 (unaccepted > junior subjective synonym)
- Species Cardium (Pseudocardita) laodicaeense Oppenheim, 1919 † accepted as Didacna laodicaeensis (Oppenheim, 1919) † (unaccepted > superseded combination)
- Species Cardium (Pseudocardita) phrygicum Oppenheim, 1919 † accepted as Didacna phrygica (Oppenheim, 1919) † (unaccepted > superseded combination)
- Species Cardium (Pseudocardita) bukowskii Oppenheim, 1919 † (uncertain > taxon inquirendum)
- Species Cardium (Pseudocardita) chamaeforme Oppenheim, 1919 † (uncertain > taxon inquirendum)
- Species Cardium (Pseudocardita) denisluense Oppenheim, 1919 † (uncertain > taxon inquirendum)
- Species Cardium (Pseudocardita) philippsoni Oppenheim, 1919 † (uncertain > taxon inquirendum)
- Subgenus Cardium (Psilodon) Cobălcescu, 1883 † accepted as Prosodacna Tournouër, 1882 † (junior homonym of Psilodon Perty, 1830 [Coleoptera]; junior synonym)
- Subgenus Cardium (Replidacna) Jekelius, 1944 † accepted as Replidacna Jekelius, 1944 † (unaccepted > superseded rank)
- Species Cardium (Replidacna) azerbaidjanicum (A. A. Ali-Zade & Rybina, 1969) † accepted as Obsoletiformes obsoletus (Eichwald, 1830) † (unaccepted > junior subjective synonym)
- Species Cardium (Replidacna) krambergeri Sauerzopf, 1952 † accepted as Lymnocardium krambergeri (Sauerzopf, 1952) † (unaccepted > superseded combination)
- Species Cardium (Replidacna) nevesskajae A. A. Ali-Zade & Rybina, 1974 † accepted as Plicatiformes fittoni (A. d'Orbigny, 1845) † (unaccepted > junior subjective synonym)
- Species Cardium (Replidacna) partitum A. A. Ali-Zade & Ribina, 1974 † accepted as Replidacna partita (A. A. Ali-Zade & Ribina, 1974) † (unaccepted > superseded combination)
- Species Cardium (Replidacna) plancarinata A. Papp, 1954 † accepted as Replidacna plancarinata (A. Papp, 1954) † (unaccepted > superseded combination)
- Species Cardium (Replidacna) raricostatum A. A. Ali-Zade & Rybina, 1974 † accepted as Plicatiformes fittoni (A. d'Orbigny, 1845) † (unaccepted > junior subjective synonym)
- Species Cardium (Replidacna) speciosum A. A. Ali-Zade & Rybina, 1974 † accepted as Replidacna suessi (Barbot de Marny, 1869) † (unaccepted > junior subjective synonym)
- Species Cardium (Replidacna) tumidum A. A. Ali-Zade & Rybina, 1974 † accepted as Obsoletiformes pseudofischerianus vasoevitshi (V. P. Kolesnikov, 1929) † (unaccepted > junior subjective synonym)
- Subgenus Cardium (Ringicardium) P. Fischer, 1887 accepted as Bucardium J. E. Gray, 1853 (unaccepted > junior objective synonym)
- Species Cardium (Ringicardium) kunstleri Cossmann & Peyrot, 1912 † accepted as Procardium kunstleri (Cossmann & Peyrot, 1912) † (unaccepted > superseded combination)
- Species Cardium (Ringicardium) mansitii Otsuka, 1937 accepted as Maoricardium setosum (Redfield, 1846) (unaccepted > junior subjective synonym)
- Subgenus Cardium (Rudicardium) Coen, 1915 † accepted as Acanthocardia J. E. Gray, 1851 (unaccepted > junior subjective synonym)
- Species Cardium (Rudicardium) grande Hölzl, 1958 † accepted as Acanthocardia grandis (Hölzl, 1958) †
- Subgenus Cardium (Serripes) A. Gould, 1841 accepted as Serripes A. Gould, 1841 (unaccepted > superseded rank)
- Species Cardium (Serripes) adamsi Tryon, 1872 accepted as Keenaea samarangae (Makiyama, 1934) (unaccepted > junior homonym, non Cardium adamsii Reeve in A. Adams & Reeve, 1850)
- Species Cardium (Serripes) notabile G. B. Sowerby III, 1915 accepted as Serripes notabilis (G. B. Sowerby III, 1915) (unaccepted > superseded combination)
- Species Cardium (Serripes) bulla Gabb, 1873 † (uncertain > unassessed)
- Subgenus Cardium (Trachycardium) Mörch, 1853 accepted as Trachycardium Mörch, 1853 (unaccepted > superseded rank)
- Species Cardium (Trachycardium) beauforti Prashad, 1932 accepted as Acrosterigma impolitum (G. B. Sowerby II, 1834) (unaccepted > junior subjective synonym)
- Species Cardium (Trachycardium) bowdenense Dall, 1900 † accepted as Dallocardia bowdenensis (Dall, 1900) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) cantuariense Laws, 1933 † accepted as Hedecardium cantuariense (Laws, 1933) † (superseded combination)
- Species Cardium (Trachycardium) claibornensis Aldrich, 1911 † accepted as Agnocardia claibornensis (Aldrich, 1911) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) consors G. B. Sowerby I, 1833 accepted as Trachycardium consors (G. B. Sowerby I, 1833) (unaccepted > superseded rank)
- Species Cardium (Trachycardium) dianthinum Melvill & Standen, 1899 accepted as Acrosterigma dianthinum (Melvill & Standen, 1899) (unaccepted > superseded combination, basionym)
- Species Cardium (Trachycardium) emmonsi Conrad, 1867 † accepted as Trachycardium emmonsi (Conrad, 1867) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) evergladeensis Mansfield, 1931 † accepted as Trachycardium evergladeense (Mansfield, 1931) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) hornelli Tomlin, 1928 accepted as Acrosterigma pristipleura (Dall, 1901) (unnecessary replacement name for C. maculatum G.B. Sowerby II, 1840)
- Species Cardium (Trachycardium) hulshofi Pannekoek, 1936 † accepted as Freneixicardia victor (Angas, 1872) (unaccepted > junior subjective synonym)
- Species Cardium (Trachycardium) infantule Nomura & Zinbo, 1934 † accepted as Afrocardium exochum (Melvill, 1907) (unaccepted > junior subjective synonym)
- Species Cardium (Trachycardium) isocardia Linnaeus, 1758 accepted as Trachycardium isocardia (Linnaeus, 1758) (unaccepted > superseded rank)
- Species Cardium (Trachycardium) kenyanum L. R. Cox, 1930 † accepted as Vasticardium kenyanum (L. R. Cox, 1930) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) laddi Abrard, 1947 † accepted as Cardium (Trachycardium) sewelli Prashad, 1932 accepted as Vasticardium sewelli (Prashad, 1932) (unaccepted > junior subjective synonym)
- Species Cardium (Trachycardium) lingualeonis Guppy, 1866 † accepted as Phlogocardia lingualeonis (Guppy, 1866) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) moloti Staadt, 1913 † accepted as Orthocardium moloti (Staadt, 1913) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) muricatum Linnaeus, 1758 accepted as Dallocardia muricata (Linnaeus, 1758) (unaccepted > superseded combination)
- Species Cardium (Trachycardium) perstriatum Kuroda, 1928 accepted as Cardium (Trachycardium) transcendens Melvill & Standen, 1899 accepted as Acrosterigma transcendens (Melvill & Standen, 1899) (unaccepted > junior subjective synonym)
- Species Cardium (Trachycardium) polycolpatum Cossmann & Peyrot, 1912 † accepted as Europicardium polycolpatum (Cossmann & Peyrot, 1912) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) pristipleura Dall, 1901 accepted as Acrosterigma pristipleura (Dall, 1901) (unaccepted > superseded combination)
- Species Cardium (Trachycardium) pseudoangulatum Bülow, 1905 accepted as Cardium philippinense Hedley, 1899 accepted as Vasticardium philippinense (Hedley, 1899) (unaccepted > junior subjective synonym)
- Species Cardium (Trachycardium) sedanense Pannekoek, 1936 † accepted as Trachycardium sedanense (Pannekoek, 1936) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) serricostatum Melvill & Standen, 1899 accepted as Vasticardium serricostatum (Melvill & Standen, 1899) (unaccepted > superseded combination)
- Species Cardium (Trachycardium) sewelli Prashad, 1932 accepted as Vasticardium sewelli (Prashad, 1932) (unaccepted > superseded combination)
- Species Cardium (Trachycardium) sokkohense K. Martin, 1917 † accepted as Trachycardium sokkohense (K. Martin, 1917) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) spolongense K. Martin, 1917 † accepted as Trachycardium spolongense (K. Martin, 1917) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) stilpnaulax Cossmann, 1886 † accepted as Orthocardium stilpnaulax (Cossmann, 1886) † (unaccepted > superseded rank)
- Species Cardium (Trachycardium) stiriatum A. P. Brown & Pilsbry, 1911 † accepted as Phlogocardia stiriata (A. P. Brown & Pilsbry, 1911) † (unaccepted > superseded combination)
- Species Cardium (Trachycardium) subelongatum G. B. Sowerby II, 1840 accepted as Cardium subelongatum G. B. Sowerby II, 1840 accepted as Acrosterigma magnum (Linnaeus, 1758)
- Species Cardium (Trachycardium) transcendens Melvill & Standen, 1899 accepted as Acrosterigma transcendens (Melvill & Standen, 1899) (unaccepted > superseded combination)
- Species Cardium (Trachycardium) waitakiensis Suter, 1907 † accepted as Hedecardium (Hedecardium) waitakiense (Suter, 1907) † represented as Hedecardium waitakiense (Suter, 1917) † (superseded combination)
- Species Cardium (Trachycardium) cinderellae Maury, 1917 † represented as Trachycardium cinderellae (Maury, 1917) †
- Species Cardium (Trachycardium) oedalium Dall, 1900 † represented as Trachycardium oedalium (Dall, 1900) †
- Species Cardium (Trachycardium) biarmatum O. Boettger, 1883 † (uncertain > unassessed)
- Species Cardium (Trachycardium) caroniense Maury, 1925 † (uncertain > unassessed)
- Species Cardium (Trachycardium) couvense Maury, 1925 † (uncertain > unassessed)
- Species Cardium (Trachycardium) dominicense Gabb, 1873 † (uncertain > unassessed)
- Species Cardium (Trachycardium) eufaulense Conrad, 1860 † (uncertain > unassessed)
- Species Cardium (Trachycardium) inconspicuum Guppy, 1866 † (uncertain > unassessed)
- Species Cardium (Trachycardium) machapooriensis Maury, 1925 † (uncertain > unassessed)
- Species Cardium (Trachycardium) niasense O. Boettger, 1883 † (uncertain > unassessed)
- Species Cardium (Trachycardium) peruvianum Spieker, 1922 † (uncertain > unassessed)
- Species Cardium (Trachycardium) sanctidavidis Maury, 1925 † (uncertain > unassessed)
- Species Cardium (Trachycardium) tamanense Maury, 1925 † (uncertain > unassessed)
- Species Cardium (Trachycardium) venadense Maury, 1925 † (uncertain > unassessed)
- Species Cardium (Trachycardium) zorritensis Spieker, 1922 † (uncertain > unassessed)
- Subgenus Cardium (Trigoniocardia) Dall, 1900 accepted as Trigoniocardia Dall, 1900 (unaccepted > superseded rank)
- Species Cardium (Trigoniocardia) aminense Dall, 1900 † accepted as Trigoniocardia aminensis (Dall, 1900) † (unaccepted > superseded combination)
- Species Cardium (Trigoniocardia) antillarum A. d'Orbigny, 1853 accepted as Trigoniocardia antillarum (A. d'Orbigny, 1853) (unaccepted > superseded combination)
- Species Cardium (Trigoniocardia) willcoxi Dall, 1900 † accepted as Trigoniocardia willcoxi (Dall, 1900) † (unaccepted > superseded combination)
- Species Cardium (Trigoniocardia) affinis (E. T. Nelson, 1870) † (uncertain > unassessed)
- Species Cardium (Trigoniocardia) carolinae Maury, 1912 † (uncertain > unassessed)
- Species Cardium (Trigoniocardia) castum Guppy, 1966 † (uncertain > unassessed)
- Species Cardium (Trigoniocardia) deadenense Mansfield, 1932 † (uncertain > unassessed)
- Species Cardium (Trigoniocardia) hannai Olsson, 1932 † (uncertain > unassessed)
- Species Cardium (Trigoniocardia) manzanillense Maury, 1925 † (uncertain > unassessed)
- Species Cardium (Trigoniocardia) maturense Dall, 1900 † (uncertain > unassessed)
- Species Cardium (Trigoniocardia) mirandense Maury, 1925 † (uncertain > unassessed)
- Species Cardium (Trigoniocardia) periimeris Maury, 1925 † (uncertain > unassessed)
- Subgenus Cardium (Tropidocardium) Römer, 1868 accepted as Cardium Linnaeus, 1758 (unaccepted > junior objective synonym)
- 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 † (unaccepted > superseded rank)
- Species Cardium (Tulongocardium) pluriradiatum C.-Z. Chen, J.-H. Chen & Z.-M. Zhang, 1976 † (uncertain > unassessed)
- Species Cardium abichi R. Hoernes, 1874 † accepted as Paradacna abichi (R. Hoernes, 1874) † (unaccepted > superseded combination)
- Species Cardium abramovici A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Raricardium konjuschevski (K. A. Ali-Zade, 1932) † (unaccepted > junior subjective synonym)
- Species Cardium abreki Uspenskaja, 1931 † accepted as Avicardium abreki (Uspenskaja, 1931) † (unaccepted > superseded combination)
- Species Cardium abundans Liverovskaya, 1939 † accepted as Plagiocardium abundans (Liverovskaya, 1939) † (unaccepted > superseded combination)
- Species Cardium acardo Deshayes, 1838 † accepted as Arcicardium acardo (Deshayes, 1838) † (unaccepted > superseded combination)
- Species Cardium acerbum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes acerbus (V. P. Kolesnikov, 1929) † (unaccepted > superseded combination)
- Species Cardium aculcatum Aradas & Benoit, 1872 accepted as Acanthocardia aculeata (Linnaeus, 1758) (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium aculeatum Linnaeus, 1758 accepted as Acanthocardia aculeata (Linnaeus, 1758) (unaccepted > superseded combination)
- Species Cardium acutecostatum A. d'Orbigny, 1843 † accepted as Cardium cleryi Deshayes, 1857 † (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium acuticostatum A. d'Orbigny, 1843 † accepted as Cardium cleryi Deshayes, 1857 † (unaccepted > junior homonym, invalid: junior homonym of C. acuticostatum Münster, 1834)
- Species Cardium adacnoides Cheltsov, 1965 † accepted as Acobaecardium akobae (Cheltsov, 1965) † (subjective synonym)
- Species Cardium adamsii Reeve, 1850 accepted as Cardium fornicatum G. B. Sowerby II, 1840 accepted as Ctenocardia fornicata (G. B. Sowerby II, 1840) (unaccepted > junior subjective synonym)
- Species Cardium adonisi A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) † (unaccepted > junior subjective synonym)
- Species Cardium aeolicum Gmelin, 1791 accepted as Lyrocardium aeolicum (Born, 1778)
- Species Cardium aeolicum Born, 1778 accepted as Lyrocardium aeolicum (Born, 1778) (unaccepted > superseded combination)
- Species Cardium aequale Deshayes, 1855 accepted as Cardium dionaeum Broderip & G. B. Sowerby I, 1829 accepted as Corculum dionaeum (Broderip & G. B. Sowerby I, 1829) (unaccepted > junior subjective synonym)
- Species Cardium agassizii Michelotti, 1839 † accepted as Cardiolucina agassizii (Michelotti, 1839) † (original combination)
- Species Cardium ainuanum Yokoyama, 1927 † accepted as Clinocardium ainuanum (Yokoyama, 1927) † (unaccepted > superseded combination)
- Species Cardium akobae Cheltsov, 1965 † accepted as Acobaecardium akobae (Cheltsov, 1965) † (unaccepted > superseded combination)
- Species Cardium aktamense A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) † (tentative junior subjective synonym)
- 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) (unaccepted > junior subjective synonym)
- Species Cardium albanicum [sic] † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (incorrect subsequent spelling, tentative junior subjective synonym)
- Species Cardium albanum A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
- Species Cardium alfuricum P. J. Fischer, 1921 † accepted as Fragum alfuricum (P. J. Fischer, 1921) † accepted as Cardium virgo Reeve, 1845 accepted as Ctenocardia virgo (Reeve, 1845) (unaccepted > superseded combination)
- Species Cardium aliforme J. De C. Sowerby, 1827 † accepted as Conocardium aliforme (J. De C. Sowerby, 1827) † (original combination)
- Species Cardium alternatum G. B. Sowerby II, 1840 accepted as Vasticardium angulatum (Lamarck, 1819) (unaccepted > junior subjective synonym)
- Species Cardium altum Cheltsov, 1965 † accepted as Cerastoderma altum (Cheltsov, 1965) † (unaccepted > superseded combination)
- Species Cardium amandum A. A. Ali-Zade, 1967 † accepted as Cerastoderma siphonophorum (Andrusov, 1902) † (unaccepted > junior subjective synonym)
- Species Cardium amboinense Gmelin, 1791 accepted as Tucetona pectunculus (Linnaeus, 1758)
- Species Cardium ameghinoi Ihering, 1907 † accepted as Hedecardium ameghinoi (Ihering, 1907) † (unaccepted > superseded combination)
- Species Cardium ammoni Rzehak, 1893 † accepted as Limnopagetia ammoni (Rzehak, 1893) † (unaccepted > superseded combination)
- Species Cardium anapi A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) † (unaccepted > junior subjective synonym)
- Species Cardium andreae Dujardin, 1837 † accepted as Acanthocardia andreae (Dujardin, 1837) † (unaccepted > superseded combination)
- Species Cardium andrusovi Sokolov, 1899 † accepted as Acanthocardia andrusovi (Sokolov, 1899) † (unaccepted > superseded combination)
- Species Cardium angulatum A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) † (tentative junior subjective synonym)
- Species Cardium angulatum Lamarck, 1819 accepted as Vasticardium angulatum (Lamarck, 1819) (unaccepted > superseded combination)
- Species Cardium anguliferum F. Sandberger, 1863 † accepted as Habecardium cingulatum (Goldfuss, 1837) † (unaccepted > junior subjective synonym, Invalid: junior homonym of Cardium anguliferum Roemer, 1850)
- Species Cardium angulosum Deshayes, 1857 † accepted as Plagiodacna angulosa (Deshayes, 1857) † (unaccepted > superseded combination)
- Species Cardium angustatum J. Sowerby, 1821 † accepted as Cerastoderma angustatum (J. Sowerby, 1821) † (unaccepted > superseded combination)
- Species Cardium angusticostatum Rousseau, 1842 † accepted as Stenodacna angusticostata (Rousseau, 1842) † (unaccepted > superseded combination)
- Species Cardium annae Pilsbry, 1904 accepted as Fulvia mutica (Reeve, 1844) (unaccepted > junior subjective synonym)
- Species Cardium antillarum A. d'Orbigny, 1853 accepted as Trigoniocardia antillarum (A. d'Orbigny, 1853) (unaccepted > superseded combination)
- Species Cardium antropovi A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
- Species Cardium anubis A. A. Ali-Zade, 1967 † accepted as Acobaecardium akobae (Cheltsov, 1965) † (unaccepted > junior subjective synonym)
- Species Cardium apertum Chemnitz, 1782 accepted as Cardium apertum Bruguière, 1789 accepted as Fulvia aperta (Bruguière, 1789) (unaccepted > unavailable name, published in a work rejected by ICZN direction 1; available from Bruguière, 1789)
- Species Cardium apertum Münster, 1837 † accepted as Lymnocardium subapertum (A. d'Orbigny, 1852) † (unaccepted > junior homonym, junior homonym of Cardium apertum Bruguière, 1789; Cardium subapertum is a replacement name)
- Species Cardium apertum Bruguière, 1789 accepted as Fulvia aperta (Bruguière, 1789) (unaccepted > superseded combination)
- Species Cardium aperturatum Deshayes, 1853 † accepted as Bosphoricardium aperturatum (Deshayes, 1853) † (unaccepted > superseded combination)
- Species Cardium apicinum (P. P. Carpenter, 1864) accepted as Laevicardium elenense (G. B. Sowerby II, 1840) (unaccepted > junior subjective synonym)
- Species Cardium apporectum A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) † (tentative junior subjective synonym)
- Species Cardium approbum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
- Species Cardium aquilinum Mittre, 1842 accepted as Parvicardium exiguum (Gmelin, 1791) (unaccepted > junior subjective synonym)
- Species Cardium aquitanicum Mayer, 1858 † accepted as Lyrocardium aquitanicum (Mayer, 1858) † (unaccepted > superseded combination)
- Species Cardium arabicus Issel, 1869 accepted as Afrocardium richardi (Audouin, 1826) (unaccepted > junior subjective synonym)
- Species Cardium aradasi Crema, 1903 † accepted as Papillicardium aradasi (Crema, 1903) † (unaccepted > superseded combination)
- Species Cardium arbacti A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
- Species Cardium arcaeformis Chapman & Crespin, 1934 † accepted as Glans latissima (Tate, 1886) † accepted as Rotundicardia latissima (Tate, 1886) † (junior subjective synonym)
- Species Cardium arcella Dujardin, 1837 † accepted as Cerastoderma arcellum (Dujardin, 1837) † (unaccepted > superseded combination)
- Species Cardium arcticum G. B. Sowerby II, 1834 accepted as Cardium ciliatum O. Fabricius, 1780 accepted as Ciliatocardium ciliatum (O. Fabricius, 1780) (unaccepted > junior subjective synonym)
- Species Cardium arcuatulum G. B. Sowerby III, 1874 accepted as Fragum mundum (Reeve, 1845) (unaccepted > junior subjective synonym)
- Species Cardium arcuatum Montagu, 1803 accepted as Lucinella divaricata (Linnaeus, 1758) (synonym)
- Species Cardium arenatum P. P. Carpenter, 1857 accepted as Cardium quadragenarium Conrad, 1837 accepted as Dallocardia quadragenaria (Conrad, 1837) (unaccepted > junior subjective synonym)
- Species Cardium arenicolum Reeve, 1845 accepted as Cardium maculosum W. Wood, 1815 accepted as Acrosterigma maculosum (W. Wood, 1815) (unaccepted > junior subjective synonym)
- Species Cardium argovianum Mayer, 1865 † accepted as Protocardia argoviana (Mayer, 1865) † (original combination)
- Species Cardium arguni Uspenskaja, 1931 † accepted as Avicardium kamishense (Uspenskaja, 1931) † (subjective synonym)
- Species Cardium argutum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
- Species Cardium aristi A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) † (tentative junior subjective synonym)
- Species Cardium arpadense M. Hörnes, 1861 † accepted as Lymnocardium arpadense (M. Hörnes, 1861) † (unaccepted > superseded combination)
- Species Cardium asaphum A. F. Leanza, 1942 † accepted as Asoella asapha (A. F. Leanza, 1942) † (unaccepted > superseded combination)
- Species Cardium asiaticum A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra vogdti (Andrusov, 1902) † (unaccepted > junior subjective synonym)
- Species Cardium asiaticum Chemnitz, 1782 accepted as Cardium asiaticum Bruguière, 1789 accepted as Vepricardium asiaticum (Bruguière, 1789) (unaccepted > unavailable name, published in a work rejected by ICZN direction 1; available from Bruguière, 1789)
- Species Cardium asiaticum Bruguière, 1789 accepted as Vepricardium asiaticum (Bruguière, 1789) (unaccepted > superseded combination)
- Species Cardium aspersum G. B. Sowerby I, 1833 accepted as Papyridea aspersa (G. B. Sowerby I, 1833) (unaccepted > superseded combination, original combination)
- Species Cardium asperulum Lamarck, 1805 † accepted as Vepricardium asperulum (Lamarck, 1805) † (unaccepted > superseded combination)
- Species Cardium assimile Reeve, 1844 accepted as Vasticardium assimile (Reeve, 1844) (unaccepted > superseded combination)
- Species Cardium atrocis A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
- Species Cardium attenuatum G. B. Sowerby II, 1841 accepted as Acrosterigma attenuatum (G. B. Sowerby II, 1841) (unaccepted > superseded combination)
- Species Cardium auingeri T. Fuchs, 1870 † accepted as Plagiodacna auingeri (T. Fuchs, 1870) † (unaccepted > superseded combination)
- Species Cardium aurantiacum A. Adams & Reeve, 1850 accepted as Lyrocardium aurantiacum (A. Adams & Reeve, 1850) (unaccepted > superseded combination)
- Species Cardium auricula Niebuhr, 1775 accepted as Lunulicardia auricula (Niebuhr, 1775) (unaccepted > superseded combination)
- Species Cardium australe G. B. Sowerby II, 1834 accepted as Fulvia australis (G. B. Sowerby II, 1834) (unaccepted > superseded combination)
- Species Cardium australiense Reeve, 1844 accepted as Hemidonax australiensis (Reeve, 1844) (original combination)
- Species Cardium aventini A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) † (tentative junior subjective synonym)
- Species Cardium aviculare Deshayes, 1829 † accepted as Avicularium lithocardium (Linnaeus, 1771) † (Unjustified emendation of Cardita avicularia Lamarck, 1805)
- Species Cardium aviculare Sinzov, 1875 † accepted as Aviculocardium aviculare (Sinzov, 1875) † (unaccepted > superseded combination)
- Species Cardium avisanense Fontannes, 1879 † accepted as Procardium avisanense (Fontannes, 1879) † (unaccepted > superseded combination)
- Species Cardium azerbajdjanicum K. A. Ali-Zade, 1932 † accepted as Cerastoderma azerbajdjanicum (K. A. Ali-Zade, 1932) † (unaccepted > superseded combination)
- Species Cardium baeri Grimm, 1877 accepted as Didacna baeri (Grimm, 1877) (unaccepted > superseded combination)
- Species Cardium baericrassum Pavlov, 1925 † accepted as Didacna baericrassa (Pavlov, 1925) † (unaccepted > superseded combination)
- Species Cardium bajarunasi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes bajarunasi (V. P. Kolesnikov, 1929) † (unaccepted > superseded combination)
- Species Cardium balatonicum T. Fuchs, 1870 † accepted as Pseudocatillus balatonicus (T. Fuchs, 1870) † (unaccepted > superseded combination)
- Species Cardium balchanicum A. A. Ali-Zade, 1967 † accepted as Cerastoderma konschini (Andrusov, 1902) † (tentative junior subjective synonym)
- Species Cardium banaticum T. Fuchs, 1870 † accepted as Bosphoricardium banaticum (T. Fuchs, 1870) † (unaccepted > superseded combination)
- Species Cardium baranowense Hilber, 1882 † accepted as Laevicardium baranowense (Hilber, 1882) † (unaccepted > superseded combination)
- Species Cardium barbotdemarnii Grimm, 1877 accepted as Didacna barbotdemarnii (Grimm, 1877) (unaccepted > superseded combination, original combination)
- Species Cardium barboti R. Hoernes, 1874 † accepted as Replidacna barboti (R. Hoernes, 1874) † (unaccepted > superseded combination)
- Species Cardium barrandai Mayer-Eymar, 1900 † accepted as Acanthocardia turonica (M. Hörnes, 1861) † (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium barrandei Mayer-Eymar, 1900 † accepted as Cardium barrandai Mayer-Eymar, 1900 † accepted as Acanthocardia turonica (M. Hörnes, 1861) † (unaccepted > junior subjective synonym)
- Species Cardium bavaricum Ammon, 1888 † (unaccepted > superseded combination)
- Species Cardium bayeri Haanstra & Spiker, 1932 † (unaccepted > superseded combination)
- Species Cardium bayerni R. Hoernes, 1874 † (unaccepted > superseded combination)
- Species Cardium bazini Deshayes, 1858 † (unaccepted > superseded combination)
- Species Cardium beaumonti "A. d'Orbigny, 1844" † (unaccepted > junior objective synonym)
- Species Cardium beaumontianum "A. d'Orbigny, 1845" † (unaccepted > junior objective synonym)
- Species Cardium bechei Reeve, 1847 (unaccepted > superseded combination)
- Species Cardium belcheri Broderip & G. B. Sowerby I, 1829 (unaccepted > superseded combination)
- Species Cardium belgicum De Malzine, 1867 (unaccepted > junior subjective synonym)
- Species Cardium beli A. A. Ali-Zade & Petrova, 1969 † (unaccepted > junior subjective synonym)
- Species Cardium bellulum A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium belticum Reeve, 1845 (unaccepted > junior subjective synonym)
- Species Cardium belusi A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium bengasiensis Kaltenbach, 1943 (unaccepted > junior subjective synonym)
- Species Cardium benoisti Cossmann, 1896 † (unaccepted > superseded combination)
- Species Cardium bianconianum Cocconi, 1873 † (unaccepted > superseded combination)
- Species Cardium biangulatum Broderip & G. B. Sowerby I, 1829 (unaccepted > superseded combination)
- Species Cardium biradiatum Bruguière, 1789 (unaccepted, original combination)
- Species Cardium blandum A. Gould, 1850 (unaccepted > superseded combination, original combination)
- Species Cardium bogatchevi V. P. Kolesnikov, 1929 † (unaccepted, superseded rank and combination)
- Species Cardium bollenense Mayer, 1871 † (unaccepted > superseded combination)
- Species Cardium bollense [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium bomasense K. Martin, 1917 † (unaccepted > superseded combination)
- Species Cardium boreale Reeve, 1845 (unaccepted > junior homonym, non Cardium boreale Broderip & G. B. Sowerby I, 1829)
- Species Cardium boreale Broderip & G. B. Sowerby I, 1829 (unaccepted > junior subjective synonym, uncertain synonym)
- Species Cardium bouei Deshayes, 1858 † (unaccepted > superseded combination)
- Species Cardium bourdoti Cossmann, 1882 † (unaccepted > superseded combination)
- Species Cardium bouryi Cossmann, 1886 † (unaccepted > superseded combination)
- Species Cardium bozdagiense K. A. Ali-Zade, 1941 † (unaccepted)
- Species Cardium brachytonum Suter, 1917 † (unaccepted, superseded combination)
- Species Cardium brasilianum Lamarck, 1819 (unaccepted > superseded combination)
- Species Cardium braunsi Tokunaga, 1906 † (unaccepted > superseded combination)
- Species Cardium brocchii Mayer, 1866 † (unaccepted > superseded combination)
- Species Cardium bruguierei Deshayes, 1857 † (unaccepted)
- Species Cardium brunneri Hector, 1886 † (unaccepted, original combination)
- Species Cardium brusinai Rzehak, 1893 † (unaccepted > junior subjective synonym)
- Species Cardium buelowi Rolle, 1896 (unaccepted > superseded combination, original combination)
- Species Cardium bullatum (Linnaeus, 1758) sensu Lamarck, 1819 (unaccepted > misapplication)
- Species Cardium bullatum Locard, 1891 (unaccepted > junior homonym, non Cardium bullatum (Linnaeus, 1858) sensu Lamarck, 1819)
- Species Cardium bülowi Rolle, 1896 (unaccepted > misspelling - incorrect original spelling)
- Species Cardium burchardti Dunker, 1877 (unaccepted > misspelling - incorrect original spelling)
- Species Cardium burdigalinum Lamarck, 1819 † (unaccepted, original combination)
- Species Cardium burnupi G. B. Sowerby III, 1897 (unaccepted > superseded combination)
- Species Cardium calcitrapoides Lamarck, 1805 † (unaccepted, original combination)
- Species Cardium californianum Conrad, 1837 (unaccepted > junior subjective synonym)
- Species Cardium californiense Deshayes, 1839 (unaccepted > superseded combination)
- Species Cardium campechiense Röding, 1798 (unaccepted > junior subjective synonym)
- Species Cardium cantuariense Laws, 1933 † (unaccepted, superseded combination)
- Species Cardium caparti Nicklès, 1955 (unaccepted > superseded combination)
- Species Cardium capsoides Bayan, 1873 † (unaccepted > superseded combination)
- Species Cardium caracutum Uspenskaja, 1931 † (unaccepted > superseded combination)
- Species Cardium cardissa Linnaeus, 1758 (unaccepted > superseded combination)
- Species Cardium carditaeforme Reeve, 1845 (unaccepted > junior subjective synonym)
- Species Cardium carinatum Deshayes, 1838 † (unaccepted > junior homonym, non Cardium carinatum Bronn, 1831)
- Species Cardium carneosum da Costa, 1779 (unaccepted)
- Species Cardium carnuntinum M. Hörnes, 1861 † (unaccepted > superseded combination)
- Species Cardium carolinensis Conrad, 1863 † (unaccepted > junior subjective synonym)
- Species Cardium carolinum A. d'Orbigny, 1844 † (unaccepted > superseded combination)
- Species Cardium carpatinum (Jekelius, 1944) † (unaccepted > superseded combination)
- Species Cardium caspium A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium castellinense Capellini, 1873 † (unaccepted > superseded combination)
- Species Cardium castum Guppy, 1866 † (unaccepted > superseded combination)
- Species Cardium caudatum K. A. Ali-Zade, 1941 † (unaccepted)
- Species Cardium cazecae Andrusov, 1890 † (unaccepted > superseded combination)
- Species Cardium cekusi Gorjanović-Kramberger, 1890 † (unaccepted > superseded combination)
- Species Cardium centopleurum Andrusov, 1902 † (unaccepted > superseded combination)
- Species Cardium centumliratum Melvill, 1907 (unaccepted > superseded combination)
- Species Cardium centumpanium Andrusov, 1911 † (unaccepted > superseded combination)
- Species Cardium centumpleurum [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium ceramidum Dall, 1886 (unaccepted > junior subjective synonym)
- Species Cardium chartaceum Brusina, 1874 † (unaccepted > superseded combination)
- Species Cardium chazaricum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium chiae Almera, 1894 † (unaccepted, superseded rank and combination)
- Species Cardium chorasanicum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium chorezmicum A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium ciliatum O. Fabricius, 1780 (unaccepted > superseded combination)
- Species Cardium cingulatum Goldfuss, 1837 † (unaccepted > superseded combination)
- Species Cardium citrinum W. Wood, 1815 (unaccepted > junior subjective synonym)
- Species Cardium civicum Yokoyama, 1927 † (unaccepted > superseded combination)
- Species Cardium clavatum Hilber, 1879 † (unaccepted > superseded combination)
- Species Cardium clodiense Brocchi, 1814 (unaccepted > junior subjective synonym)
- Species Cardium cochleatum Quenstedt, 1852 † (unaccepted > superseded combination)
- Species Cardium coefiensis Kaltenbach, 1943 (unaccepted > junior subjective synonym)
- Species Cardium collineum Buvignier, 1852 † (unaccepted, original combination)
- Species Cardium complanatum T. Fuchs, 1870 † (unaccepted > superseded combination)
- Species Cardium conjungens M. Hörnes, 1861 † (unaccepted > superseded combination)
- Species Cardium consors G. B. Sowerby I, 1833 (unaccepted, original combination)
- Species Cardium conspectum Cheltsov, 1965 † (unaccepted > superseded combination)
- Species Cardium convexum A. A. Ali-Zade, 1967 † (unaccepted, junior homonym of Cardium convexum Deshayes, 1858, and tentative junior subjective synonym)
- Species Cardium convexum Deshayes, 1858 † (unaccepted > superseded combination)
- Species Cardium cooperii Gabb, 1864 † (unaccepted, original combination)
- Species Cardium copiosum Cheltsov, 1965 † (unaccepted, tentative subjective synonym)
- Species Cardium corallinum Leymerie, 1846 † (unaccepted)
- Species Cardium corallinum Linnaeus, 1758 (unaccepted > superseded combination)
- Species Cardium corbis Martyn, 1784 (unaccepted > unavailable name, non-binominal)
- Species Cardium corbuloides Deshayes, 1838 † (unaccepted > superseded combination)
- Species Cardium coronatum Schröter, 1786 (unaccepted > superseded combination)
- Species Cardium coronatum Spengler, 1799 (unaccepted > junior homonym, non Cardium coronatum Schröter, 1786)
- Species Cardium cosmetum Cossmann, 1886 † (unaccepted > superseded combination)
- Species Cardium cossmanni G. Vincent, 1882 † (unaccepted > superseded combination)
- Species Cardium coxi Hector, 1886 † (unaccepted, original combination)
- Species Cardium cracentis A. A. Ali-Zade & Baba-Zade, 1967 † (unaccepted, subjective synonym)
- Species Cardium crassatellatum Deshayes, 1838 † (unaccepted > superseded combination)
- Species Cardium crassispinosum G. B. Sowerby II, 1834 (unaccepted > junior subjective synonym)
- Species Cardium crassum Eichwald, 1829 (unaccepted > junior homonym, invalid: non Cardium crassum Gmelin, 1791; Cardium eichwaldi Krynicki, 1837 is a replacement name)
- Species Cardium crassum Gmelin, 1791 (unaccepted, original combination)
- Species Cardium crenelloides Melvill, 1909 (unaccepted > superseded combination)
- Species Cardium crenulatum Lamarck, 1819 (unaccepted > junior subjective synonym)
- Species Cardium crenulatum Rousseau, 1842 † (unaccepted > junior homonym, non Cardium crenulatum Lamarck, 1819)
- Species Cardium cristagalli L. Róth, 1878 † (unaccepted > superseded combination)
- Species Cardium cruentatum A. Gould, 1855 (unaccepted > junior subjective synonym)
- Species Cardium cruentum G. Perry, 1811 (unaccepted > junior subjective synonym)
- Species Cardium cucullatum Goldfuss, 1837 † (unaccepted > superseded combination)
- Species Cardium cuculloides Tate, 1886 † (unaccepted > superseded combination)
- Species Cardium cucurtense Andrusov, 1902 † (unaccepted, subjective synonym)
- Species Cardium cumingii Broderip, 1833 (unaccepted > superseded combination)
- Species Cardium cygnorum Deshayes, 1855 (unaccepted > superseded combination)
- Species Cardium cypricardioides Capellini, 1880 † (unaccepted > superseded combination)
- Species Cardium cyreniforme Buvignier, 1852 † (unaccepted > superseded combination)
- Species Cardium cyrense K. A. Ali-Zade, 1941 † (unaccepted)
- Species Cardium dahestanicum Uspenskaja, 1931 † (unaccepted > superseded combination)
- Species Cardium dalli Heilprin, 1887 † (unaccepted > superseded combination)
- Species Cardium danatense A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium danovi V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
- Species Cardium danubianum Mayer, 1866 † (unaccepted > superseded combination)
- Species Cardium darwini Mayer, 1866 (unaccepted, unnecessary replacement name)
- Species Cardium davidaschvilii V. P. Kolesnikov, 1950 † (unaccepted > superseded combination)
- Species Cardium daviesi Dey, 1962 † (unaccepted > superseded combination)
- Species Cardium dawsoni W. Stimpson, 1862 † (unaccepted > junior subjective synonym, uncertain synonym)
- Species Cardium decorticatum S. V. Wood, 1853 † (unaccepted > superseded combination)
- Species Cardium decorum T. Fuchs, 1870 † (unaccepted > superseded combination)
- Species Cardium decussatum Mantell, 1822 † (unaccepted, original combination)
- Species Cardium deformis A. A. Ali-Zade & Petrova, 1969 † (unaccepted, tentative junior subjective synonym)
- Species Cardium degrangei Cossmann, 1896 † (unaccepted > superseded combination)
- Species Cardium delicatulum E. A. Smith, 1915 (unaccepted > superseded combination)
- Species Cardium delpeutum McGill, 1964 (unaccepted > junior subjective synonym)
- Species Cardium denisevici A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium depressum Deshayes, 1838 † (unaccepted > superseded combination)
- Species Cardium descriptum Volkova, 1953 † (unaccepted > superseded combination)
- Species Cardium desertum Stoliczka, 1862 † (unaccepted > superseded combination)
- Species Cardium deshayesianum Bianconi, 1856 (unaccepted > junior subjective synonym)
- Species Cardium deshayesii Payraudeau, 1826 (unaccepted > superseded combination)
- Species Cardium desperatum V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
- Species Cardium diluvianum Lamarck, 1819 † (unaccepted > superseded combination)
- Species Cardium dimidiatum Goldfuss, 1841 † (unaccepted > superseded combination)
- Species Cardium dingdense Lehmann, 1885 † (unaccepted > superseded combination)
- Species Cardium dionaeum Broderip & G. B. Sowerby I, 1829 (unaccepted > superseded combination)
- Species Cardium discors Lamarck, 1805 † (unaccepted > junior homonym, junior homonym of Cardium discors Montagu, 1803)
- Species Cardium discors Montagu, 1803 (unaccepted > junior subjective synonym)
- Species Cardium discrepans Basterot, 1825 † (unaccepted > superseded combination)
- Species Cardium dissimile J. De C. Sowerby, 1827 † (unaccepted > superseded combination)
- Species Cardium diversum Conrad, 1847 † (unaccepted > superseded combination)
- Species Cardium djanelidzei Kharatishvili, 1952 † (unaccepted > superseded combination)
- Species Cardium dolichum Suter, 1917 † (unaccepted, superseded combination)
- Species Cardium dombra Andrusov, 1902 † (unaccepted > superseded combination)
- Species Cardium donaciforme Bruguière, 1789 (unaccepted, original combination)
- Species Cardium dongingii Sinzov, 1876 † (unaccepted > superseded combination)
- Species Cardium duboisi Mayer, 1856 † (unaccepted > superseded combination)
- Species Cardium duboisi Mikhailovski, 1903 † (unaccepted > junior homonym)
- Species Cardium dulce Deshayes, 1863 (unaccepted > superseded combination)
- Species Cardium dulcinea Dall, 1916 (unaccepted > junior subjective synonym)
- Species Cardium dupinianum A. d'Orbigny, 1844 † (unaccepted)
- Species Cardium dupuchense Reeve, 1845 (unaccepted > superseded combination)
- Species Cardium duregnei Monterosato, 1891 (unaccepted > junior subjective synonym)
- Species Cardium dyoniseum Buvignier, 1852 † (unaccepted)
- Species Cardium ebaranum Yokoyama, 1927 † (unaccepted > junior subjective synonym)
- Species Cardium ebersini V. P. Kolesnikov, 1950 † (unaccepted > junior subjective synonym)
- Species Cardium eburniferum Guppy, 1869 (unaccepted > junior subjective synonym)
- Species Cardium echinatum Bruguière, 1789 (unaccepted > junior homonym, non Cardium echinatum Linnaeus, 1758)
- Species Cardium echinatum Linnaeus, 1758 (unaccepted > superseded combination)
- Species Cardium edentula Montagu, 1808 (unaccepted > junior subjective synonym)
- Species Cardium edentulum Deshayes, 1838 † (unaccepted > junior homonym, junior homonym of Cardium edentulum Montagu, 1808; Cardium subedentulum is a replacement name)
- Species Cardium edentulum Montagu, 1808 (unaccepted > junior subjective synonym)
- Species Cardium edesma Almera & Bofill y Poch, 1894 † (unaccepted > superseded combination)
- Species Cardium edule Linnaeus, 1758 (unaccepted > superseded combination)
- Species Cardium edwardsi Deshayes, 1858 † (unaccepted > superseded combination)
- Species Cardium egmontianum Shuttleworth, 1856 (unaccepted > superseded combination)
- Species Cardium eichwaldi Reeve, 1845 (unaccepted, synonym)
- Species Cardium eichwaldi Krynicki, 1837 (unaccepted > superseded combination, original combination)
- Species Cardium eichwaldii Reeve, 1845 (unaccepted > junior subjective synonym)
- Species Cardium elatum G. B. Sowerby I, 1833 (unaccepted > superseded combination)
- Species Cardium eldaricum V. P. Kolesnikov, 1950 † (unaccepted > junior subjective synonym)
- Species Cardium elegantis Steklov, 1955 † (unaccepted > superseded combination)
- Species Cardium elegantulum Uspenskaja, 1931 † (unaccepted > junior homonym, junior homonym of Cardium elegantulum Møller, 1842; Cardium uspenskaiae is a replacement name)
- Species Cardium elegantulum C. F. Roemer, 1849 † (unaccepted > junior homonym, junior homonym of Cardium elegantulum Møller, 1842; Liopistha elegantulata is a replacement name)
- Species Cardium elegantulum Møller, 1842 (unaccepted > superseded combination)
- Species Cardium elenense G. B. Sowerby II, 1840 (unaccepted > superseded combination)
- Species Cardium elongatum Bruguière, 1789 (unaccepted > superseded combination)
- Species Cardium elongatum Montagu, 1803 (unaccepted > junior homonym, non Cardium elongatum Bruguière, 1789)
- Species Cardium elongatum J. Sowerby, 1815 † (unaccepted > superseded combination)
- Species Cardium emarginatum Deshayes, 1829 † (unaccepted)
- Species Cardium emarginatum Deshayes, 1838 † (unaccepted > junior homonym, junior homonym of Cardium emarginatum Deshayes, 1829; Cardium aperturatum is a replacement name)
- Species Cardium enode G. B. Sowerby II, 1840 (unaccepted > superseded combination)
- Species Cardium erinaceum Lamarck, 1819 (unaccepted > junior subjective synonym)
- Species Cardium erinaceus (unaccepted > misspelling - incorrect subsequent spelling, lapsus calami)
- Species Cardium erugatum Tate, 1889 (unaccepted > superseded combination)
- Species Cardium euglyptum G. B. Sowerby III, 1914 (unaccepted > junior subjective synonym)
- Species Cardium euroum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium euryti A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium exasperatum G. B. Sowerby II, 1839 (unaccepted > superseded combination)
- Species Cardium exiguum Gmelin, 1791 (unaccepted > superseded combination)
- Species Cardium exile Dunker, 1861 (unaccepted > junior subjective synonym)
- Species Cardium exstriatulum Sacco, 1899 (unaccepted > junior subjective synonym)
- Species Cardium fabricii Deshayes, 1855 (unaccepted > junior subjective synonym, uncertain synonym)
- Species Cardium facetum Suter, 1917 † (unaccepted, superseded combination)
- Species Cardium fasciatum Montagu, 1808 (unaccepted > junior homonym, non Cardium fasciatum Gmelin, 1791)
- Species Cardium fasciatum Gmelin, 1791 (unaccepted > junior subjective synonym)
- Species Cardium fasetum Zhizhchenko, 1936 † (unaccepted > junior subjective synonym)
- Species Cardium fastosum Yokoyama, 1927 † (unaccepted > superseded combination)
- Species Cardium fedrighinii Capellini, 1879 † (unaccepted > superseded combination)
- Species Cardium ferrugineum Brusina, 1874 † (unaccepted > superseded combination)
- Species Cardium ferruginosum Reeve, 1845 (unaccepted > junior subjective synonym)
- Species Cardium festivum Deshayes, 1855 (unaccepted > superseded combination)
- Species Cardium fimbriatum Lamarck, 1819 (unaccepted > junior homonym, non Cardium fimbriatum W. Wood, 1815)
- Species Cardium fimbriatum W. Wood, 1815 (unaccepted > junior subjective synonym)
- Species Cardium finitima Grishkevich, 1961 † (unaccepted > superseded combination)
- Species Cardium fischerianum Doenging, 1852 † (unaccepted > superseded combination)
- Species Cardium fischeriformis A. Papp, 1954 † (unaccepted > superseded combination)
- Species Cardium fittoni A. d'Orbigny, 1845 † (unaccepted > superseded combination)
- Species Cardium flavum Linnaeus, 1758 (unaccepted > superseded combination)
- Species Cardium flexuosum Gmelin, 1791 (unaccepted > junior subjective synonym)
- Species Cardium floridanum Heilprin, 1886 † (unaccepted > junior subjective synonym)
- Species Cardium formidolosum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium formosum Deshayes, 1858 † (unaccepted, original combination)
- Species Cardium fornasinianum Bianconi, 1856 (unaccepted > junior subjective synonym)
- Species Cardium fornicatum A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium fornicatum G. B. Sowerby II, 1840 (unaccepted > superseded combination)
- Species Cardium foveolatum G. B. Sowerby II, 1840 sensu Reeve, 1845 (unaccepted > misapplication)
- Species Cardium fragile Reeve, 1845 (unaccepted > junior homonym, non Cardium fragile Forsskål in Niebuhr, 1775)
- Species Cardium fragile Forsskål, 1775 (unaccepted > superseded combination)
- Species Cardium fragosum A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium fragulinum Cossmann, 1896 † (unaccepted > superseded combination)
- Species Cardium fragum Linnaeus, 1758 (unaccepted > superseded combination)
- Species Cardium fraterculus Deshayes, 1858 † (unaccepted > superseded combination)
- Species Cardium fraternum Mayer, 1864 † (unaccepted > superseded combination)
- Species Cardium friabile Krauss, 1852 † (unaccepted > superseded combination)
- Species Cardium fucanum Dall, 1907 (unaccepted > junior subjective synonym)
- Species Cardium fucatum Spengler, 1799 (unaccepted > junior subjective synonym)
- Species Cardium fuchsi Neumayr, 1875 † (unaccepted > superseded combination)
- Species Cardium fuchsii [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium fugax Cossmann, 1886 † (unaccepted > superseded combination)
- Species Cardium fultoni G. B. Sowerby III, 1916 (unaccepted > superseded combination)
- Species Cardium fusiformis Uspenskaja, 1931 † (unaccepted > junior subjective synonym)
- Species Cardium gabbii Rémond, 1863 † (unaccepted > junior subjective synonym)
- Species Cardium gaditanum Gmelin, 1791 (unaccepted, dubious synonym)
- Species Cardium gallicum Mayer, 1866 † (unaccepted > superseded combination)
- Species Cardium gatuevi V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
- Species Cardium geranicum K. A. Ali-Zade, 1954 † (unaccepted, tentative junior subjective synonym)
- Species Cardium ghergutai Jekelius, 1944 † (unaccepted > superseded combination)
- Species Cardium gigas Defrance, 1817 † (unaccepted > superseded combination)
- Species Cardium gilchristi G. B. Sowerby III, 1904 (unaccepted > superseded combination)
- Species Cardium girondicum Mayer, 1866 † (unaccepted)
- Species Cardium glabratum Römer, 1869 (unaccepted > junior subjective synonym)
- Species Cardium glaucum Bruguière, 1789 (unaccepted, original combination)
- Species Cardium glaucum Poiret, 1789 (unaccepted > junior homonym, non Cardium glaucum Bruguière, 1789)
- Species Cardium gleichenbergense A. Papp, 1954 † (unaccepted > junior subjective synonym)
- Species Cardium golubiatnikovi Andrusov, 1905 † (unaccepted > superseded combination)
- Species Cardium golubiatnikowi Volkova, 1962 † (unaccepted > misspelling - incorrect original spelling)
- Species Cardium gossei Deshayes, 1855 (unaccepted > junior subjective synonym)
- Species Cardium gourieffi Deshayes, 1838 † (unaccepted > superseded combination)
- Species Cardium gracile Rzehak, 1893 † (unaccepted > superseded combination)
- Species Cardium gracile Pusch, 1836 † (unaccepted > junior subjective synonym)
- Species Cardium gracilicostatum Jekelius, 1944 † (unaccepted > superseded combination)
- Species Cardium graniferum Broderip & G. B. Sowerby I, 1829 (unaccepted > superseded combination)
- Species Cardium granulosum Lamarck, 1805 † (unaccepted > superseded combination, original combination)
- Species Cardium grateloupi Mayer, 1866 † (unaccepted > junior subjective synonym, non Cardium grateloupi Michelotti, 1839)
- Species Cardium gratiosum Deshayes, 1855 (unaccepted > junior subjective synonym)
- Species Cardium gratum A. A. Ali-Zade, 1967 † (unaccepted > junior homonym, junior homonym of Cardium gratum Defrance, 1829, and tentative junior subjective synonym)
- Species Cardium gratum Defrance, 1829 † (unaccepted > superseded combination)
- Species Cardium greenoughi d'Archiac & Haime, 1854 † (unaccepted > superseded combination)
- Species Cardium greyi F. W. Hutton, 1873 † (unaccepted, superseded combination)
- Species Cardium groenlandicum Chemnitz, 1782 (unaccepted > unavailable name, published in a work rejected by ICZN direction 1; available from Mohr, 1786)
- Species Cardium groenlandicum Mohr, 1786 (unaccepted > superseded combination)
- Species Cardium guanacastense Hertlein & A. M. Strong, 1947 (unaccepted, unnecessary replacement name; synonym)
- Species Cardium gubkini K. A. Ali-Zade, 1932 † (unaccepted > junior subjective synonym)
- Species Cardium gudexi Laws, 1933 † (unaccepted, superseded combination)
- Species Cardium guichardi Bernardi, 1857 (unaccepted > junior subjective synonym)
- Species Cardium guppyi Thiele, 1910 (unaccepted > superseded combination)
- Species Cardium hantkeni T. Fuchs, 1870 † (unaccepted > superseded combination)
- Species Cardium hantoniense Koenen, 1867 † (unaccepted > superseded combination)
- Species Cardium harpa Münster, 1837 † (unaccepted > superseded combination)
- Species Cardium hastiloides K. A. Ali-Zade, 1941 † (unaccepted)
- Species Cardium hatchetigbeense Aldrich, 1886 † (unaccepted > superseded combination)
- Species Cardium haueri M. Hörnes, 1861 † (unaccepted > superseded combination)
- Species Cardium hauniense Høpner Petersen & P. Russell, 1971 (unaccepted > superseded combination)
- Species Cardium hayesii W. Stimpson, 1864 (unaccepted > junior subjective synonym)
- Species Cardium heeri Mayer-Eymar, 1859 † (unaccepted > superseded combination)
- Species Cardium helleri Brusina, 1865 (unaccepted > junior subjective synonym)
- Species Cardium hemicardium Linnaeus, 1758 (unaccepted > superseded combination)
- Species Cardium hemimeris Tate, 1887 † (unaccepted > superseded combination)
- Species Cardium heteroclitum Lamarck, 1805 † (unaccepted > superseded combination)
- Species Cardium hians Brocchi, 1814 † (unaccepted > junior homonym, non Cardium hians Spengler, 1799)
- Species Cardium hians Spengler, 1799 (unaccepted > junior objective synonym)
- Species Cardium hiatus Meuschen, 1787 (unaccepted > unavailable name, rejected work: non-binominal)
- Species Cardium hillanum J. Sowerby, 1813 † (unaccepted)
- Species Cardium hirsutum Bronn, 1831 † (unaccepted > superseded combination)
- Species Cardium hispidiforme Davitashvili, 1932 † (unaccepted > junior subjective synonym)
- Species Cardium hispidum Eichwald, 1830 † (unaccepted > junior subjective synonym)
- Species Cardium hiulcum Reeve, 1845 (unaccepted > superseded combination, original combination)
- Species Cardium holubicense Hilber, 1882 † (unaccepted > superseded combination)
- Species Cardium honi Nyst & Le Hon, 1862 † (unaccepted > superseded combination)
- Species Cardium hornesi Deshayes, 1858 † (unaccepted > superseded combination)
- Species Cardium hoshmensilicum Uspenskaja, 1931 † (unaccepted > junior subjective synonym)
- Species Cardium hudsoniense Deshayes, 1855 (unaccepted > junior subjective synonym)
- Species Cardium humanum Linnaeus, 1758 (unaccepted)
- Species Cardium humanum Römer, 1869 (unaccepted > junior subjective synonym)
- Species Cardium hungaricum M. Hörnes, 1861 † (unaccepted > superseded combination)
- Species Cardium hungerfordi G. B. Sowerby III, 1901 (unaccepted > superseded combination)
- Species Cardium huoti Deshayes, 1857 † (unaccepted > junior objective synonym)
- Species Cardium hybridum Deshayes, 1829 † (unaccepted > superseded combination)
- Species Cardium hyrcanicum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium hystrix Reeve, 1844 (unaccepted > junior homonym, non Cardium hystrix Lightfoot, 1786; Fragum symbolicum Iredale, 1929, is a replacement name)
- Species Cardium hystrix [Lightfoot], 1786 (unaccepted > junior subjective synonym)
- Species Cardium icari A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium ignotum A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium imago A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium imbricatum Born, 1778 (unaccepted > junior subjective synonym)
- Species Cardium imbricatum G. B. Sowerby II, 1840 (unaccepted > junior homonym, non Cardium imbricatum Born, 1778; Fragum perornatum Iredale, 1929, is a replacement name)
- Species Cardium impar Zhizhchenko, 1936 † (unaccepted > junior subjective synonym)
- Species Cardium impeditum Deshayes, 1858 † (unaccepted > superseded combination)
- Species Cardium impolitum G. B. Sowerby II, 1834 (unaccepted > superseded combination)
- Species Cardium impressum [Lightfoot], 1786 (unaccepted > superseded combination)
- Species Cardium impressum Leymerie, 1842 † (unaccepted > junior homonym, invalid: junior homonym of Cardium impressum [Lightfoot], 1786; Protocardia vindovera is a replacement name)
- Species Cardium inaspectum A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium incarnatum Reeve, 1844 (unaccepted > superseded combination)
- Species Cardium incertum Deshayes, 1838 † (unaccepted > superseded combination)
- Species Cardium inconspicuum Guppy, 1866 † (unaccepted > superseded combination)
- Species Cardium incurvatum V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
- Species Cardium indicum Lamarck, 1819 (unaccepted > superseded combination)
- Species Cardium induratum Zhizhchenko, 1936 † (unaccepted > junior subjective synonym)
- Species Cardium infantule Nomura & Zinbo, 1934 † (unaccepted > junior subjective synonym)
- Species Cardium inflatum Sinzov, 1875 † (unaccepted > superseded combination)
- Species Cardium ingratum Deshayes, 1858 † (unaccepted > superseded combination)
- Species Cardium ingratum V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
- Species Cardium ingustatum A. A. Ali-Zade & Kabakova, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium inopinatum Grishkevich, 1961 † (unaccepted > superseded combination)
- Species Cardium insperatum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium intermedium (Eichwald, 1841) † (unaccepted > superseded combination)
- Species Cardium interruptum S. V. Wood, 1853 † (unaccepted > junior homonym, non Cardium interruptum d'Orbigny, 1850)
- Species Cardium intextum Münster, 1837 † (unaccepted)
- Species Cardium inversum Lamarck, 1819 (unaccepted > junior subjective synonym)
- Species Cardium invidiosum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium iphiti A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium irregulare Eichwald, 1830 † (unaccepted > superseded combination)
- Species Cardium irrepertum A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium irrisor Uspenskaja, 1931 † (unaccepted > junior subjective synonym)
- Species Cardium islandicum Chemnitz, 1782 (unaccepted > unavailable name, published in a work rejected by ICZN direction 1)
- Species Cardium islandicum Bruguière, 1789 (unaccepted > junior subjective synonym)
- Species Cardium isocardia Linnaeus, 1758 (unaccepted > superseded combination)
- Species Cardium isthmicum Issel, 1869 (unaccepted > junior subjective synonym)
- Species Cardium janoscheki A. Papp, 1954 † (unaccepted > superseded combination)
- Species Cardium janusi A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium japonicum Dunker, 1860 (unaccepted > junior subjective synonym)
- Species Cardium jasoni A. A. Ali-Zade & Baba-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium jekechanensis A. A. Ali-Zade & Baba-Zade, 1969 † (unaccepted, tentative junior subjective synonym)
- Species Cardium jucundum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium jumudicum Uspenskaja, 1931 † (unaccepted, subjective synonym)
- Species Cardium junoniae Lamarck, 1819 (unaccepted > junior subjective synonym)
- Species Cardium kaiparaensis P. Marshall, 1918 † (unaccepted, junior subjective synonym)
- Species Cardium kalamantanum A. Adams & Reeve, 1850 (unaccepted > junior subjective synonym)
- Species Cardium kambai A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium kamishense Uspenskaja, 1931 † (unaccepted > superseded combination)
- Species Cardium kansasense Meek, 1871 † (unaccepted > superseded combination)
- Species Cardium karabugasicum Sidorova, 1961 † (unaccepted > superseded combination)
- Species Cardium karagiense Sidorova, 1961 † (unaccepted > superseded combination)
- Species Cardium karelini Andrusov, 1902 † (unaccepted > superseded combination)
- Species Cardium karreri T. Fuchs, 1873 † (unaccepted > superseded combination)
- Species Cardium kasinkense V. P. Kolesnikov, 1929 † (unaccepted > junior subjective synonym)
- Species Cardium kaundense Sidorova, 1961 † (unaccepted > superseded combination)
- Species Cardium kazanbulagense A. A. Ali-Zade & Kabakova, 1967 † (unaccepted > superseded combination)
- Species Cardium kazancekense A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium kenyanum L. R. Cox, 1930 † (unaccepted > superseded combination)
- Species Cardium kerkentchicum A. A. Ali-Zade & Petrova, 1969 † (unaccepted, tentative junior subjective synonym)
- Species Cardium kishinevense V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
- Species Cardium kobelti Maltzan, 1885 (unaccepted > junior subjective synonym)
- Species Cardium kochi O. Semper, 1861 † (unaccepted > superseded combination)
- Species Cardium kolenatii Rzehak, 1893 † (unaccepted, subjective synonym)
- Species Cardium kolesnikovi Davitashvili, 1932 † (unaccepted > junior subjective synonym)
- Species Cardium konjuschevski K. A. Ali-Zade, 1932 † (unaccepted > superseded combination)
- Species Cardium konjuschewskii [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium konschini Andrusov, 1902 † (unaccepted > superseded combination)
- Species Cardium kraussi Mayer, 1876 † (unaccepted > superseded combination)
- Species Cardium kubanicum Zhizhchenko, 1936 † (unaccepted > superseded combination)
- Species Cardium kuebeckii Hauer, 1847 † (unaccepted > superseded combination)
- Species Cardium kumli Uspenskaja, 1931 † (unaccepted, subjective synonym)
- Species Cardium kumuchicum Andrusov, 1902 † (unaccepted, subjective synonym)
- Species Cardium kupradzei Kharatishvili, 1952 † (unaccepted > superseded combination)
- Species Cardium kurendagense A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium lacunosum Reeve, 1845 (unaccepted > superseded combination)
- Species Cardium laevigatoloweni V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
- Species Cardium laevigatum Linnaeus, 1758 (unaccepted > superseded combination)
- Species Cardium laeviusculum Capellini, 1879 † (unaccepted > superseded combination)
- Species Cardium lamarcki Reeve, 1845 (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium lamarckii Reeve, 1845 (unaccepted > superseded combination)
- Species Cardium lamarckii A. d'Orbigny, 1846 (unaccepted > junior homonym, non Cardium lamarckii Reeve, 1845)
- Species Cardium lamellatum Spengler, 1799 (unaccepted > junior subjective synonym)
- Species Cardium laperousii Deshayes, 1839 (unaccepted > superseded combination)
- Species Cardium laqueatum Conrad, 1838 † (unaccepted > superseded combination)
- Species Cardium laticostatum Cheltsov, 1965 † (unaccepted > junior subjective synonym)
- Species Cardium laticostatum G. B. Sowerby I, 1833 (unaccepted > junior subjective synonym)
- Species Cardium laticostatum Mayer-Eymar, 1898 † (unaccepted > junior homonym, non Cardium laticostatum G. B. Sowerby I, 1833)
- Species Cardium latisulcum Münster, 1837 † (unaccepted > superseded combination)
- Species Cardium latum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium latum Born, 1778 (unaccepted > superseded combination, original combination)
- Species Cardium lavrani Fischer-Piette, 1977 (unaccepted, synonym)
- Species Cardium lawley Capellini, 1880 † (unaccepted > superseded combination)
- Species Cardium laxum Dall, 1901 (unaccepted > junior subjective synonym)
- Species Cardium laytoni J. Morris, 1854 † (unaccepted > junior subjective synonym)
- Species Cardium lecanoideum Andrusov, 1902 † (unaccepted > superseded combination)
- Species Cardium lectotis Fontannes, 1882 † (unaccepted > superseded combination)
- Species Cardium lenacoldium [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium lengebisicum A. A. Ali-Zade & Baba-Zade, 1969 † (unaccepted > junior subjective synonym)
- Species Cardium lenzi R. Hoernes, 1874 † (unaccepted > superseded combination)
- Species Cardium leognanense Mayer, 1866 † (unaccepted, original combination)
- Species Cardium lepidum Sauvage & Rigaux, 1872 † (unaccepted)
- Species Cardium leucostomum Born, 1780 (unaccepted > junior objective synonym)
- Species Cardium leve Anton, 1838 (unaccepted > nomen oblitum, declared nomen oblitum by ter Poorten (2011))
- Species Cardium levesquei A. d'Orbigny, 1850 † (unaccepted > superseded combination)
- Species Cardium levisulcatum E. A. Smith, 1903 (unaccepted > junior subjective synonym)
- Species Cardium lima Schröter, 1786 (unaccepted, synonym)
- Species Cardium lima Reeve, 1845 (unaccepted > junior homonym, non Cardium lima Schröter, 1786; nec Lamarck, 1805)
- Species Cardium limosum Cheltsov, 1965 † (unaccepted, tentative subjective synonym)
- Species Cardium lineatum Gmelin, 1791 (unaccepted > junior subjective synonym)
- Species Cardium lingualeonis Guppy, 1866 † (unaccepted > superseded combination)
- Species Cardium lini A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium linteum Conrad, 1855 † (unaccepted > superseded combination)
- Species Cardium lithocardium Linnaeus, 1771 † (unaccepted)
- Species Cardium lithopodolicum Du Bois de Montpéreux, 1831 † (unaccepted > superseded combination)
- Species Cardium litorosum A. A. Ali-Zade & Kabakova, 1967 † (unaccepted > superseded combination)
- Species Cardium littorale Eichwald, 1850 † (unaccepted)
- Species Cardium liverovskayae Merklin, 1950 † (unaccepted > superseded combination)
- Species Cardium lobulatum Deshayes, 1855 (unaccepted > superseded combination)
- Species Cardium longipes Grimm, 1877 (unaccepted > superseded combination)
- Species Cardium loroisii Hupé, 1856 (unaccepted > junior subjective synonym)
- Species Cardium loveni W. Thompson, 1845 (unaccepted > junior subjective synonym)
- Species Cardium loweni Sinzov, 1875 † (unaccepted > superseded combination)
- Species Cardium lubricum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium lucinoides P. P. Carpenter, 1857 (unaccepted > junior subjective synonym)
- Species Cardium lunulatum G. Seguenza, 1880 † (unaccepted > superseded combination)
- Species Cardium luppovi A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium lutarium A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium luteolabrum A. Gould, 1851 (unaccepted > junior subjective synonym)
- Species Cardium lutraense A. A. Ali-Zade & Petrova, 1969 † (unaccepted, tentative junior subjective synonym)
- Species Cardium lyratum G. B. Sowerby II, 1840 (unaccepted > superseded combination)
- Species Cardium macrodon Deshayes, 1838 † (unaccepted > superseded combination)
- Species Cardium maculatum Gmelin, 1791 (unaccepted > junior subjective synonym)
- Species Cardium maculatum G. B. Sowerby II, 1840 (unaccepted > junior homonym, non Cardium maculatum Gmelin, 1791; C. pristipleura and C. hornelli are both replacement names)
- Species Cardium maculosum W. Wood, 1815 (unaccepted > superseded combination)
- Species Cardium maculosum G. B. Sowerby I, 1833 (unaccepted > junior homonym, non Cardium maculosum W. Wood, 1815; C. maculatum is a replacement name)
- Species Cardium madridi d'Archiac, 1843 † (unaccepted)
- Species Cardium maeoticum Davitashvili, 1930 † (unaccepted > junior subjective synonym)
- Species Cardium magnificum P. P. Carpenter, 1857 (unaccepted > junior subjective synonym)
- Species Cardium magnum Born, 1778 (unaccepted > junior homonym, non Cardium magnum Linnaeus, 1758)
- Species Cardium magnum Linnaeus, 1758 (unaccepted > superseded combination, original combination)
- Species Cardium mainacaricum Andrusov, 1905 † (unaccepted > superseded combination)
- Species Cardium majeri M. Hörnes, 1861 † (unaccepted > superseded combination)
- Species Cardium maorinum Suter, 1917 † (unaccepted, junior subjective synonym)
- Species Cardium mareoticum Pallary, 1912 (unaccepted > junior subjective synonym)
- Species Cardium marmoreum Lamarck, 1819 (unaccepted > junior subjective synonym)
- Species Cardium maschrikovi A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium mauritianum Deshayes, 1855 (unaccepted > superseded combination, original combination)
- Species Cardium mediosulcatum Tate & Basedow, 1902 † (unaccepted > superseded combination)
- Species Cardium medium Linnaeus, 1758 (unaccepted > superseded combination)
- Species Cardium mendanaense G. B. Sowerby III, 1897 (unaccepted > superseded combination)
- Species Cardium messarianicum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium michailowii Toula, 1892 † (unaccepted > superseded combination)
- Species Cardium michelottiii Deshayes, 1850 † (unaccepted > superseded combination)
- Species Cardium millelocum Sidorova, 1961 † (unaccepted, superseded rank and combination)
- Species Cardium mindanense Reeve, 1844 (unaccepted > superseded combination)
- Species Cardium mingetschauricum K. A. Ali-Zade, 1941 † (unaccepted)
- Species Cardium minimum R. A. Philippi, 1836 (unaccepted > superseded combination)
- Species Cardium mirabile Deshayes, 1855 (unaccepted > junior subjective synonym)
- Species Cardium mirandum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium mirum A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium miserabile A. A. Ali-Zade, 1967 † (unaccepted > superseded combination)
- Species Cardium mite A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium mithridatis Andrusov, 1890 † (unaccepted, superseded rank and combination)
- Species Cardium modestum A. Adams & Reeve, 1850 (unaccepted > junior homonym, non Cardium modestum Philippi, 1849)
- Species Cardium modestum R. A. Philippi, 1849 (unaccepted > junior subjective synonym)
- Species Cardium modicum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium modiolare Rousseau, 1842 † (unaccepted > superseded combination)
- Species Cardium modiolopsis K. A. Ali-Zade, 1932 † (unaccepted > junior subjective synonym)
- Species Cardium moloti Staadt, 1913 † (unaccepted > superseded combination)
- Species Cardium moniletectum Tate, 1887 † (unaccepted, superseded combination)
- Species Cardium monopteris A. A. Ali-Zade & Petrova, 1969 † (unaccepted, tentative junior subjective synonym)
- Species Cardium monstrosum Gmelin, 1791 (unaccepted, original combination)
- Species Cardium monstrosum Chemnitz, 1782 (unaccepted > unavailable name, published in a work rejected by ICZN direction 1; available from Gmelin, 1791)
- Species Cardium montense É. Vincent, 1930 † (unaccepted > superseded combination)
- Species Cardium moravicum Rzehak, 1883 † (unaccepted > superseded combination)
- Species Cardium morleti de Raincourt, 1870 † (unaccepted > superseded combination)
- Species Cardium mortoni Conrad, 1831 (unaccepted > superseded combination)
- Species Cardium mucronatum Poli, 1791 (unaccepted > junior subjective synonym)
- Species Cardium multicostatum J. Phillips, 1829 † (unaccepted > junior homonym, junior homonym of Cardium multicostatum Brocchi, 1814; C. submulticostatum is a replacement name)
- Species Cardium multicostatum Brocchi, 1814 † (unaccepted > superseded combination)
- Species Cardium multipunctatum G. B. Sowerby I, 1833 (unaccepted > superseded combination)
- Species Cardium multiradiatum G. B. Sowerby I, 1846 † (unaccepted)
- Species Cardium multispinosum G. B. Sowerby II, 1839 (unaccepted > superseded combination, Declared nomen protectum by ter Poorten (2011))
- Species Cardium multisquamatum Deshayes, 1858 † (unaccepted > superseded combination)
- Species Cardium multistriatum Rousseau, 1842 † (unaccepted > superseded combination)
- Species Cardium multistriatum G. B. Sowerby I, 1833 (unaccepted > junior subjective synonym)
- Species Cardium mundum Reeve, 1845 (unaccepted > superseded combination)
- Species Cardium muricatum Linnaeus, 1758 (unaccepted > superseded combination)
- Species Cardium muticum Reeve, 1844 (unaccepted > superseded combination)
- Species Cardium naftalanicum K. A. Ali-Zade, 1932 † (unaccepted > superseded combination)
- Species Cardium nalivkini V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
- Species Cardium naphtalanicum [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
- Species Cardium nasimi A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium natalense Krauss, 1848 (unaccepted > superseded combination)
- Species Cardium natalensis [sic] (unaccepted, incorrect grammatical agreement of specific epithet)
- Species Cardium nebulosum Reeve, 1845 (unaccepted > junior subjective synonym)
- Species Cardium nefandum V. P. Kolesnikov, 1935 † (unaccepted > superseded combination)
- Species Cardium neglectum Hölzl, 1962 † (unaccepted > superseded combination)
- Species Cardium neozelandicum Deshayes, 1857 (unaccepted > junior subjective synonym)
- Species Cardium neptuni Goldfuss, 1837 † (unaccepted > superseded combination)
- Species Cardium neumayri T. Fuchs, 1873 † (unaccepted > superseded combination)
- Species Cardium nicolletti Conrad, 1841 † (unaccepted > superseded combination)
- Species Cardium niger Zhizhchenko, 1934 † (unaccepted > superseded combination)
- Species Cardium nikitini Andrusov, 1902 † (unaccepted > superseded combination)
- Species Cardium nitens J. Sowerby, 1813 † (unaccepted > superseded combination)
- Species Cardium nivale Reeve, 1845 (unaccepted > superseded combination)
- Species Cardium nodosum Montagu, 1803 (unaccepted > junior subjective synonym)
- Species Cardium nodosum Montagu, 1803 sensu W. Turton, 1822 (unaccepted > misapplication)
- Species Cardium nodulosum Spengler, 1799 (unaccepted > junior subjective synonym)
- Species Cardium nomurai Kuroda & T. Habe, 1951 † (unaccepted, original combination)
- Species Cardium norvegicum Spengler, 1799 (unaccepted > junior subjective synonym)
- Species Cardium novakovskii Andrusov, 1902 † (unaccepted, subjective synonym)
- Species Cardium novarossicum Barbot de Marny, 1869 † (unaccepted > superseded combination)
- Species Cardium nuttallii Conrad, 1837 (unaccepted > superseded combination)
- Species Cardium obliquatum Aradas, 1847 † (unaccepted, invalid: junior homonym of Cardium obliquatum Michelotti, 1839; C. aradasi is a replacement name)
- Species Cardium obliquoobsoletum V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
- Species Cardium obliquum Spengler, 1799 (unaccepted > junior subjective synonym)
- Species Cardium oblongum Aliyeva, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium oblongum Chemnitz, 1782 (unaccepted > unavailable name, published in a work rejected by ICZN direction 1; available from Gmelin, 1791)
- Species Cardium oblongum Gmelin, 1791 (unaccepted > superseded combination)
- Species Cardium obovale G. B. Sowerby I, 1833 (unaccepted > superseded combination)
- Species Cardium obsoletiformis V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
- Species Cardium obsoletum Eichwald, 1830 † (unaccepted > junior homonym, non Cardium obsoletum Spengler, 1799)
- Species Cardium obsoletum Spengler, 1799 (unaccepted > junior subjective synonym)
- Species Cardium obtritum Locard, 1886 (unaccepted > junior subjective synonym)
- Species Cardium odessae Barbot de Marny, 1869 † (unaccepted > superseded combination)
- Species Cardium olteniae Ionescu-Argetoaia, 1918 † (unaccepted > superseded combination)
- Species Cardium oneroaensis A. W. B. Powell, 1938 † (unaccepted > superseded combination)
- Species Cardium opiparum A. A. Ali-Zade, 1967 † (unaccepted > superseded combination)
- Species Cardium orarium A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium orbita Broderip & G. B. Sowerby I, 1833 (unaccepted > superseded combination)
- Species Cardium orbus Uspenskaja, 1931 † (unaccepted, tentative junior subjective synonym)
- Species Cardium oriovacense Neumayr, 1875 † (unaccepted > junior subjective synonym)
- Species Cardium ornatum Eichwald, 1855 (unaccepted > junior subjective synonym)
- Species Cardium ornatum G. B. Sowerby III, 1877 (unaccepted > junior homonym, non Cardium ornatum Eichwald, 1855; Acrosterigma sowerbyorum is a replacement name)
- Species Cardium orphei A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium ovale G. B. Sowerby II, 1840 (unaccepted > junior subjective synonym)
- Species Cardium ovalum Aliyeva, 1967 † (unaccepted > junior subjective synonym)
- Species Cardium ovatum Deshayes, 1838 † (unaccepted > superseded combination)
- Species Cardium oviputamen Reeve, 1844 (unaccepted > junior subjective synonym)
- Species Cardium ovuloides Reeve, 1845 (unaccepted > junior subjective synonym)
- Species Cardium oxi A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium oxygonum G. B. Sowerby II, 1834 (unaccepted > superseded combination, original combination)
- Species Cardium pacatum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
- Species Cardium paleobrocchii Hylleberg, 2014 † (unaccepted, nomen novum for Cardium hians Brocchi, 1814)
- Species Cardium palibini K. A. Ali-Zade, 1932 † (unaccepted > junior subjective synonym)
- Species Cardium pallassianum Basterot, 1825 † (unaccepted > superseded combination)
- Species Cardium pallidum Reeve, 1845 (unaccepted > junior subjective synonym)
- Species Cardium panamense G. B. Sowerby I, 1833 (unaccepted > junior subjective synonym)
marine, brackish, fresh, terrestrial
recent + fossil
neuter
Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. [The system of nature through the three kingdoms of nature, according to classes, orders, genera, species, with characters, differences, synonyms, places.]. <em>Impensis Direct. Laurentii Salvii. Holmiae [Stockholm].</em> 1(10) [iii], 824 p., available online at https://biodiversitylibrary.org/page/726886 [details] Available for editors [request]
MolluscaBase eds. (2024). MolluscaBase. Cardium Linnaeus, 1758. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=137734 on 2024-12-21
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original description
Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. [The system of nature through the three kingdoms of nature, according to classes, orders, genera, species, with characters, differences, synonyms, places.]. <em>Impensis Direct. Laurentii Salvii. Holmiae [Stockholm].</em> 1(10) [iii], 824 p., available online at https://biodiversitylibrary.org/page/726886 [details] Available for editors [request]
original description (of Cardium (Tropidocardium) Römer, 1868) Römer, E. (1868-1869). Die Familie der Herzmuscheln, Cardiacea. In: Küster, H.C., Systematisches Conchylien-Cabinet von Martini und Chemnitz. Neu herausgegeben und vervollständigt, 10 (2): 1-124, pls 1-14. Nürnberg (Bauer & Raspe) [p. 1-24, pls 1-7, 1868; 25-124, pls 8-14, 1869].
page(s): 13 [details]
basis of record Poorten, J.J. ter. (2024). A taxonomic iconography of living Cardiidae. Harxheim: ConchBooks, 600 pp.
page(s): 301, 330 [details]
additional source Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. <em>Patrimoines Naturels.</em> 50: 180-213., available online at http://www.vliz.be/imisdocs/publications/ocrd/254404.pdf [details]
subsequent type designation Children J. G. (1822-1823). Lamarck's genera of shells. <i>Quarterly Journal of Science, Literature and the Arts (London)</i>, 14(27): 64-87, pl. 3-4 [ottobre 1822]; 14(28): 298-322, pl. 5-6 [gennaio 1823]; 15(29): 23-52, pl. 2-3 [aprile 1823]; 15(30): 216-258, pl. 7-8 [luglio 1823]; 16 (31): 49-79, pl. 5 [ottobre 1823]; 16 (32): 241-264, pl. 6 [dicembre 1823]. [Vedi anche Kennard, Salisbury & Woodward, 1931], available online at http://biodiversitylibrary.org/page/14496865
page(s): 315 [details]
original description (of Cardium (Tropidocardium) Römer, 1868) Römer, E. (1868-1869). Die Familie der Herzmuscheln, Cardiacea. In: Küster, H.C., Systematisches Conchylien-Cabinet von Martini und Chemnitz. Neu herausgegeben und vervollständigt, 10 (2): 1-124, pls 1-14. Nürnberg (Bauer & Raspe) [p. 1-24, pls 1-7, 1868; 25-124, pls 8-14, 1869].
page(s): 13 [details]
basis of record Poorten, J.J. ter. (2024). A taxonomic iconography of living Cardiidae. Harxheim: ConchBooks, 600 pp.
page(s): 301, 330 [details]
additional source Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. <em>Patrimoines Naturels.</em> 50: 180-213., available online at http://www.vliz.be/imisdocs/publications/ocrd/254404.pdf [details]
subsequent type designation Children J. G. (1822-1823). Lamarck's genera of shells. <i>Quarterly Journal of Science, Literature and the Arts (London)</i>, 14(27): 64-87, pl. 3-4 [ottobre 1822]; 14(28): 298-322, pl. 5-6 [gennaio 1823]; 15(29): 23-52, pl. 2-3 [aprile 1823]; 15(30): 216-258, pl. 7-8 [luglio 1823]; 16 (31): 49-79, pl. 5 [ottobre 1823]; 16 (32): 241-264, pl. 6 [dicembre 1823]. [Vedi anche Kennard, Salisbury & Woodward, 1931], available online at http://biodiversitylibrary.org/page/14496865
page(s): 315 [details]
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Japanese | ヒガノコザル | [details] |