MolluscaBase taxon details

Cardium Linnaeus, 1758

137734  (urn:lsid:marinespecies.org:taxname:137734)

  1. Biota
  2. Animalia (Kingdom)
  3. Mollusca (Phylum)
  4. Bivalvia (Class)
  5. Autobranchia (Subclass)
  6. Heteroconchia (Infraclass)
  7. Euheterodonta (Subterclass)
  8. Imparidentia (Superorder)
  9. Cardiida (Order)
  10. Cardioidea (Superfamily)
  11. Cardiidae (Family)
  12. Cardiinae (Subfamily)
  13. Cardium (Genus)
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 superseded rank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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  1. Species Cardium agdschakendense Bobkova, 1956 †
  2. Species Cardium arcaeformis Gabb, 1869 †
  3. Species Cardium bivirgatum Wanner & Hahn, 1935 †
  4. Species Cardium brongniarti d'Archiac, 1854 †
  5. Species Cardium bunburyi d'Archiac & Haime, 1854 †
  6. Species Cardium costatum Linnaeus, 1758
  7. Species Cardium deplanatum O. Boettger, 1875 †
  8. Species Cardium dimidiatum Bobkova, 1956 † (accepted > unreplaced junior homonym, junior homonym of Cardium dimidiatum Goldfuss, 1841)
  9. Species Cardium eduliforme O. Boettger, 1875 †
  10. Species Cardium egregium Yokoyama, 1926 †
  11. Species Cardium gulistanense Bobkova, 1956 †
  12. Species Cardium halaense d'Archiac & Haime, 1854 †
  13. Species Cardium heinzelini Glibert & Van de Poel, 1973 †
  14. Species Cardium hoernesianum M. Hörnes, 1861 †
  15. Species Cardium horneri d'Archiac & Haime, 1854 †
  16. Species Cardium jacquemonti d'Archiac & Haime, 1854 †
  17. Species Cardium lamaeforme d'Archiac & Haime, 1854 †
  18. Species Cardium martini O. Boettger, 1880 †
  19. Species Cardium maxicostatum ter Poorten, 2007
  20. Species Cardium parvulum K. Martin, 1879 † (accepted > unreplaced junior homonym)
  21. Species Cardium perobliquum K. Martin, 1883 †
  22. Species Cardium picteti d'Archiac & Haime, 1854 †
  23. Species Cardium salteri d'Archiac & Haime, 1854 †
  24. Species Cardium sharpei d'Archiac & Haime, 1854 †
  25. Species Cardium subalternatum H. M. Jenkins, 1864 †
  26. Species Cardium taurinum Michelotti, 1870 †
  27. Species Cardium tokunagai Yokoyama, 1922 †
  28. Species Cardium tokyoensis Tokunaga, 1906 †
  29. Species Cardium transcaucasicum Bobkova, 1949 †
  30. Species Cardium verbeeki K. Martin, 1879 †
  31. Species Cardium vincenti Cossmann, 1891 †
  32. Species Cardium aculeiferum Zieten, 1833 † (uncertain > unassessed)
  33. Species Cardium aequilaterale Hilgard, 1878 † (uncertain > unassessed)
  34. Species Cardium alaeforme J. De C. Sowerby, 1827 † (uncertain > unassessed)
  35. Species Cardium albaschiensis Steklov, 1955 † (uncertain > taxon inquirendum)
  36. Species Cardium alternatum A. d'Orbigny, 1844 † (uncertain > unassessed, junior homonym of Cardium alternatum G. B. Sowerby II, 1840)
  37. Species Cardium altum Forbes, 1846 † (uncertain > unassessed)
  38. Species Cardium alutaceum Münster, 1837 † (uncertain > unassessed)
  39. Species Cardium angulatum Münster, 1837 † (uncertain > unassessed, non Cardium angulatum Lamarck, 1819)
  40. Species Cardium asperum Münster, 1837 † (uncertain > unassessed)
  41. Species Cardium auca A. d'Orbigny, 1841 † (uncertain > unassessed)
  42. Species Cardium austeni Forbes, 1845 † (uncertain > unassessed)
  43. Species Cardium austeni d'Archiac & Haime, 1854 † (uncertain > unassessed, junior homonym of Cardium austeni Forbes, 1845)
  44. Species Cardium axinoelongatum Thurmann, 1863 † (uncertain > unassessed)
  45. Species Cardium axinoobliquum Thurmann, 1863 † (uncertain > unassessed)
  46. Species Cardium badagoianum Rochebrune, 1882 † (uncertain > unassessed)
  47. Species Cardium banneianum Thurmann, 1863 † (uncertain > unassessed)
  48. Species Cardium beaumonti d'Archiac, 1843 † (uncertain > unassessed)
  49. Species Cardium bellum R. A. Philippi, 1897 † (uncertain > unassessed)
  50. Species Cardium benstedi Forbes, 1845 † (uncertain > unassessed)
  51. Species Cardium bernouilense de Loriol, 1868 † (uncertain > unassessed)
  52. Species Cardium bessarabicum Simionescu & Barbu, 1940 † (uncertain > unassessed)
  53. Species Cardium bicolor Deshayes, 1855 (uncertain > taxon inquirendum)
  54. Species Cardium bimarginatum A. d'Orbigny, 1844 † (uncertain > unassessed)
  55. Species Cardium bisectum Forbes, 1846 † (uncertain > unassessed)
  56. Species Cardium bispinosum Dujardin, 1837 † (uncertain > unassessed)
  57. Species Cardium blakeanum Dall, 1909 † (uncertain > unassessed)
  58. Species Cardium bolivianum R. A. Philippi, 1887 † (uncertain > unassessed)
  59. Species Cardium bourguignati Rochebrune, 1882 † (uncertain > unassessed)
  60. Species Cardium carditaeformis Simionescu & Barbu, 1940 † (uncertain > unassessed)
  61. Species Cardium carinatum K. A. Ali-Zade, 1941 † (uncertain > taxon inquirendum)
  62. Species Cardium cartieri de Loriol, 1881 † (uncertain > unassessed)
  63. Species Cardium caudatum Simionescu & Barbu, 1940 † (uncertain > unassessed)
  64. Species Cardium caudatum Goldfuss, 1837 † (uncertain > unassessed)
  65. Species Cardium cenomanense A. d'Orbigny, 1844 † (uncertain > unassessed)
  66. Species Cardium chordotonum Münster, 1837 † (uncertain > unassessed)
  67. Species Cardium ciliare Linnaeus, 1758 (uncertain > nomen dubium)
  68. Species Cardium cleryi Deshayes, 1857 † (uncertain > unassessed)
  69. Species Cardium colombianum A. d'Orbigny, 1842 † (uncertain > unassessed)
  70. Species Cardium congestum Conrad, 1857 † (uncertain > unassessed)
  71. Species Cardium conniacum A. d'Orbigny, 1844 † (uncertain > unassessed)
  72. Species Cardium conradi Stephenson, 1923 † (uncertain > unassessed)
  73. Species Cardium constantii A. d'Orbigny, 1844 † (uncertain > unassessed)
  74. Species Cardium cornucopiae Goldfuss, 1837 † (uncertain > unassessed)
  75. Species Cardium cornuelianum A. d'Orbigny, 1844 † (uncertain > unassessed)
  76. Species Cardium corrugatum Sharpe, 1850 † (uncertain > unassessed)
  77. Species Cardium costae De Franchis, 1903 † (uncertain > unassessed)
  78. Species Cardium costulatum Münster, 1837 † (uncertain > unassessed)
  79. Species Cardium cottaldinum A. d'Orbigny, 1844 † (uncertain > unassessed)
  80. Species Cardium crenatum J. E. Gray, 1825 (uncertain > taxon inquirendum)
  81. Species Cardium cymotomon Felix, 1891 † (uncertain > unassessed)
  82. Species Cardium daharrensis Tavani, 1948 † (uncertain > unassessed)
  83. Species Cardium debile Deshayes, 1855 (uncertain > taxon inquirendum)
  84. Species Cardium decoratum Grewingk, 1850 (uncertain > nomen dubium)
  85. Species Cardium delibatum de Loriol, 1872 † (uncertain > unassessed)
  86. Species Cardium diazi R. A. Philippi, 1887 † (uncertain > unassessed)
  87. Species Cardium diminutum R. A. Philippi, 1887 † (uncertain > unassessed)
  88. Species Cardium discrepans T. Brown, 1827 (uncertain > taxon inquirendum)
  89. Species Cardium distortum R. A. Philippi, 1845 (uncertain > nomen dubium)
  90. Species Cardium diversum Fontannes, 1882 † (uncertain > taxon inquirendum)
  91. Species Cardium djugutulami Golubyatnikov, 1902 † (uncertain > taxon inquirendum)
  92. Species Cardium donohuense Stephenson, 1923 † (uncertain > unassessed)
  93. Species Cardium doulouxi L. M. Vidal, 1874 † (uncertain > unassessed)
  94. Species Cardium dubium Münster, 1841 † (uncertain > unassessed)
  95. Species Cardium edulina J. Sowerby, 1821 † (uncertain > unassessed)
  96. Species Cardium elocauensis Tavani, 1948 † (uncertain > unassessed)
  97. Species Cardium fittoniforme Golubyatnikov, 1902 † (uncertain > taxon inquirendum)
  98. Species Cardium fontanum Étallon, 1863 † (uncertain > unassessed)
  99. Species Cardium foucardi de Loriol, 1868 † (uncertain > unassessed)
  100. Species Cardium foveolatum G. B. Sowerby II, 1840 (uncertain > nomen dubium)
  101. Species Cardium fragile G. B. Sowerby II, 1840 accepted as Laevicardium tertium Fischer-Piette, 1977 (uncertain > nomen dubium, preoccupied by Cardium fragile Brocchi, 1814 and several others; Laevicardium tertium Fischer-Piette, 1977 is a replacement name)
  102. Species Cardium frausum de Loriol, 1868 † (uncertain > unassessed)
  103. Species Cardium fuchsi Capellini, 1873 † (uncertain > taxon inquirendum)
  104. Species Cardium georgii Rochebrune, 1882 † (uncertain > unassessed)
  105. Species Cardium geranicum K. A. Ali-Zade, 1932 † (uncertain > taxon inquirendum)
  106. Species Cardium gibbosum J. Müller, 1851 † (uncertain > unassessed)
  107. Species Cardium gorgasi G D. Hanna, 1924 † (uncertain > unassessed)
  108. Species Cardium griesbachi H. Woods, 1906 † (uncertain > unassessed)
  109. Species Cardium guerangeri A. d'Orbigny, 1844 † (uncertain > unassessed)
  110. Species Cardium haitense G. B. Sowerby I, 1850 † (uncertain > taxon inquirendum)
  111. Species Cardium harnaiense Noetling, 1897 † (uncertain > unassessed)
  112. Species Cardium hausmanni R. A. Philippi, 1847 † (uncertain > unassessed)
  113. Species Cardium hemicyclicus Tuomey, 1854 † (uncertain > unassessed)
  114. Species Cardium hibernicum J. Sowerby, 1815 † (uncertain > unassessed)
  115. Species Cardium hualpense R. A. Philippi, 1887 † (uncertain > unassessed)
  116. Species Cardium huttoni Ihering, 1907 † (uncertain > taxon inquirendum)
  117. Species Cardium ibbetsoni Forbes, 1845 † (uncertain > unassessed)
  118. Species Cardium inaequilaterale Hilgard, 1878 † (uncertain > unassessed)
  119. Species Cardium incertum Goldfuss, 1837 † (uncertain > unassessed)
  120. Species Cardium incomptum Forbes, 1846 † (uncertain > unassessed)
  121. Species Cardium inexpertum Barrande, 1881 † (uncertain > unassessed)
  122. Species Cardium inornatum A. d'Orbigny, 1844 † (uncertain > unassessed)
  123. Species Cardium insculptum Dujardin, 1837 † (uncertain > unassessed)
  124. Species Cardium intermedium Münster, 1837 † (uncertain > unassessed)
  125. Species Cardium intersectum Forbes, 1846 † (uncertain > unassessed)
  126. Species Cardium jugatum Krauss, 1852 † (uncertain > taxon inquirendum)
  127. Species Cardium karajmanicum Andrusov, 1905 † (uncertain > taxon inquirendum)
  128. Species Cardium ketini Özsayar, 1977 † (uncertain > taxon inquirendum)
  129. Species Cardium kokkupicum Andrusov, 1917 † (uncertain > taxon inquirendum)
  130. Species Cardium laeve J. E. Gray, 1838 (uncertain > nomen dubium)
  131. Species Cardium laevicosta Almera & Bofill y Poch, 1894 † (uncertain > taxon inquirendum)
  132. Species Cardium landbecki R. A. Philippi, 1887 † (uncertain > unassessed)
  133. Species Cardium landeronense de Loriol, 1869 † (uncertain > unassessed)
  134. Species Cardium latum Münster, 1837 † (uncertain > unassessed, non Cardium latum Born, 1778)
  135. Species Cardium lemanei Étallon, 1863 † (uncertain > unassessed)
  136. Species Cardium lepplai G. Müller, 1898 † (uncertain > unassessed)
  137. Species Cardium leve A. A. Ali-Zade, 1967 † (uncertain > taxon inquirendum)
  138. Species Cardium lincolnensis C. E. Weaver, 1916 † (uncertain > unassessed)
  139. Species Cardium lineatum Münster, 1837 † (uncertain > unassessed, non Cardium lineatum Gmelin, 1791)
  140. Species Cardium lingulatum Lycett, 1863 † (uncertain > unassessed)
  141. Species Cardium loralaiense Noetling, 1897 † (uncertain > unassessed)
  142. Species Cardium loricatum Goldfuss, 1837 † (uncertain > unassessed)
  143. Species Cardium lucerna Forbes, 1846 † (uncertain > unassessed)
  144. Species Cardium lucernense Mayer-Eymar, 1887 † (uncertain > unassessed)
  145. Species Cardium macoveii Simionescu & Barbu, 1940 † (uncertain > unassessed)
  146. Species Cardium magellanicum R. A. Philippi, 1887 † (uncertain > unassessed)
  147. Species Cardium mailleanum A. d'Orbigny, 1844 † (uncertain > unassessed)
  148. Species Cardium manthelaniense Dollfus & Dautzenberg, 1888 † (uncertain, status in recent literature not researched by editor)
  149. Species Cardium manyense Kókay, 1967 † (uncertain > taxon inquirendum, not discussed in the literature after description, certainly not a Cardium s.s.)
  150. Species Cardium marginatum Goldfuss, 1837 † (uncertain > unassessed)
  151. Species Cardium mediale Conrad, 1857 † (uncertain > unassessed)
  152. Species Cardium michelottianum M. Hörnes, 1861 † (uncertain > unassessed)
  153. Species Cardium minutum Lamarck, 1819 (uncertain > nomen dubium)
  154. Species Cardium moeschanum M. Hörnes, 1861 † (uncertain > unassessed)
  155. Species Cardium moldavicum Simionescu & Barbu, 1940 † (uncertain > unassessed)
  156. Species Cardium montignyacum de Loriol, 1868 † (uncertain > unassessed)
  157. Species Cardium morinicum de Loriol, 1866 † (uncertain > unassessed)
  158. Species Cardium morosanui Simionescu & Barbu, 1940 † (uncertain > unassessed)
  159. Species Cardium morosum de Loriol, 1872 † (uncertain > unassessed)
  160. Species Cardium moutonianum A. d'Orbigny, 1844 † (uncertain > unassessed)
  161. Species Cardium multiradiatum Gabb, 1860 † (uncertain > unassessed, junior homonym of Cardium multiradiatum G.B. Sowerby I, in Darwin 1846)
  162. Species Cardium multisulcatum R. A. Philippi, 1887 † (uncertain > unassessed)
  163. Species Cardium mytiloides Münster, 1837 † (uncertain > unassessed)
  164. Species Cardium negativum Andrusov, 1909 † (uncertain > taxon inquirendum)
  165. Species Cardium nodosum A. A. Ali-Zade & Ribina, 1974 † (uncertain > unassessed)
  166. Species Cardium noeggerathi J. Müller, 1851 † (uncertain > unassessed)
  167. Species Cardium obesum R. A. Philippi, 1887 † (uncertain > unassessed)
  168. Species Cardium obliquatum R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of C. obliquatum Aradas, 1847)
  169. Species Cardium oblongatum Solander, 1766 † (uncertain > unassessed)
  170. Species Cardium obtusangulum R. A. Philippi, 1887 † (uncertain > unassessed)
  171. Species Cardium olisiponense Sharpe, 1850 † (uncertain > unassessed)
  172. Species Cardium palmatum Goldfuss, 1837 † (uncertain > unassessed)
  173. Species Cardium palmerae Harbison, 1944 † (uncertain > unassessed)
  174. Species Cardium papyraceum Sinzov, 1875 † (uncertain > taxon inquirendum)
  175. Species Cardium parvulum Dunker, 1861 (uncertain > nomen dubium)
  176. Species Cardium parvulum Tavani, 1948 † (uncertain > unassessed, junior homonym of Cardium parvulum Dunker, 1861 and several others)
  177. Species Cardium patagonicum Ihering, 1907 † (uncertain > unassessed)
  178. Species Cardium pauperculum Yokoyama, 1923 † (uncertain > unassessed, junior homonym of Cardium pauperculum Meek, 1871)
  179. Species Cardium pellati de Loriol, 1866 † (uncertain > unassessed)
  180. Species Cardium pencanum R. A. Philippi, 1887 † (uncertain > unassessed)
  181. Species Cardium penderense Stephenson, 1923 † (uncertain > unassessed)
  182. Species Cardium petilum de Loriol, 1868 † (uncertain > unassessed)
  183. Species Cardium philippianum Dunker, 1847 † (uncertain > unassessed)
  184. Species Cardium pholadiforme G. B. Sowerby I, 1847 † (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
  185. Species Cardium pictum Dunker, 1861 (uncertain > nomen dubium)
  186. Species Cardium pisum R. A. Philippi, 1887 † (uncertain > unassessed)
  187. Species Cardium plicatoides Simionescu & Barbu, 1940 † (uncertain > unassessed)
  188. Species Cardium plicatum Münster, 1837 † (uncertain > unassessed, non Cardium plicatum Eichwald, 1830)
  189. Species Cardium praehyrcanicum A. A. Ali-Zade, 1967 † (uncertain > taxon inquirendum)
  190. Species Cardium procurvatum Grzybowski, 1899 † (uncertain > unassessed)
  191. Species Cardium propinquum Münster, 1837 † (uncertain > unassessed)
  192. Species Cardium pseudoaxinus Thurmann, 1863 † (uncertain > unassessed)
  193. Species Cardium punctulatum Broderip & G. B. Sowerby I, 1829 (uncertain > nomen dubium)
  194. Species Cardium pustulosum Münster, 1837 † (uncertain > unassessed)
  195. Species Cardium pygmaeum R. A. Philippi, 1860 (uncertain > nomen dubium, invalid: junior homonym of Cardium pygmaeum Donovan, 1799)
  196. Species Cardium quinordinatum Cragin, 1895 † (uncertain > taxon inquirendum)
  197. Species Cardium radiatum Dujardin, 1837 † (uncertain > unassessed, junior homonym of Cardium radiatum J. E. Gray, 1824)
  198. Species Cardium raulinianum A. d'Orbigny, 1844 † (uncertain > unassessed)
  199. Species Cardium remondianum Gabb, 1864 † (uncertain > unassessed)
  200. Species Cardium repentinus Grishkevich, 1961 † (uncertain > taxon inquirendum)
  201. Species Cardium reticulatum Fischer von Waldheim, 1807 (uncertain > nomen dubium)
  202. Species Cardium rigidum W. Wood, 1815 (uncertain > nomen dubium)
  203. Species Cardium ripleyense Conrad, 1858 † (uncertain > unassessed)
  204. Species Cardium rogersi Rennie, 1936 † (uncertain > unassessed)
  205. Species Cardium rubricati Almera & Bofill y Poch, 1894 † (uncertain > taxon inquirendum)
  206. Species Cardium saepecostatum Cheltsov, 1968 † (uncertain > taxon inquirendum)
  207. Species Cardium saffreense Dufour, 1881 † (uncertain > unassessed)
  208. Species Cardium sazhdagense A. A. Ali-Zade & Ribina, 1974 † (uncertain > unassessed)
  209. Species Cardium schlotheimi Lundgren, 1867 † (uncertain > unassessed)
  210. Species Cardium semiglabrum Münster, 1837 † (uncertain > unassessed)
  211. Species Cardium semisquamosum Sinzov, 1875 † (uncertain > taxon inquirendum)
  212. Species Cardium serratense Maury, 1925 † (uncertain > unassessed)
  213. Species Cardium speluncense Almera & Bofill y Poch, 1894 † (uncertain > taxon inquirendum)
  214. Species Cardium sphaeridium R. A. Philippi, 1887 † (uncertain > unassessed)
  215. Species Cardium studeri Mayer-Eymar, 1887 † (uncertain > unassessed)
  216. Species Cardium suare R. A. Philippi, 1887 † (uncertain > unassessed)
  217. Species Cardium subangulatum R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of C. subangulatum Scacchi, 1833)
  218. Species Cardium subangustum O. Boettger, 1880 † (uncertain > unassessed)
  219. Species Cardium subdinnense A. d'Orbigny, 1844 † (uncertain > unassessed)
  220. Species Cardium subgranulatum Münster, 1837 † (uncertain > unassessed)
  221. Species Cardium submartini J.-H. Chen, 1976 † (uncertain > unassessed)
  222. Species Cardium subseptiferum Gemmellaro, 1875 † (uncertain > unassessed)
  223. Species Cardium subtile Mayer[-Eymar], 1871 † (uncertain > taxon inquirendum)
  224. Species Cardium sulciferum Bayle, 1849 † (uncertain > unassessed)
  225. Species Cardium svagrovskyi A. A. Ali-Zade & Ribina, 1974 † (uncertain > unassessed)
  226. Species Cardium tenuimargo Grzybowski, 1899 † (uncertain > unassessed)
  227. Species Cardium tenuis T. Brown, 1827 (uncertain > taxon inquirendum)
  228. Species Cardium tenuissimum R. A. Philippi, 1887 † (uncertain > unassessed)
  229. Species Cardium tenuistriatum Anton, 1838 (uncertain, status in recent literature not researched by editor)
  230. Species Cardium tenuistriatum Münster, 1837 † (uncertain > unassessed)
  231. Species Cardium thunense Mayer-Eymar, 1887 † (uncertain > unassessed)
  232. Species Cardium tippanum Conrad, 1858 † (uncertain > unassessed)
  233. Species Cardium tortuosum Hermann, 1781 † (uncertain > unassessed)
  234. Species Cardium triangulum Münster, 1837 † (uncertain > unassessed)
  235. Species Cardium tripartitum Münster, 1837 † (uncertain > unassessed)
  236. Species Cardium tubuliferum Goldfuss, 1837 † (uncertain > unassessed)
  237. Species Cardium tubulosum Eichwald, 1830 † (uncertain > taxon inquirendum)
  238. Species Cardium tumidum Klöden, 1834 † (uncertain > unassessed)
  239. Species Cardium umbonatum J. Sowerby, 1817 † (uncertain > unassessed)
  240. Species Cardium vassiacense de Loriol, 1872 † (uncertain > unassessed)
  241. Species Cardium vaughani Stephenson, 1923 † (uncertain > unassessed)
  242. Species Cardium ventricosum A. d'Orbigny, 1844 † (uncertain > unassessed, junior homonym of Cardium ventricosum Bruguière, 1789)
  243. Species Cardium verneuilianum A. d'Orbigny, 1845 † (uncertain > unassessed)
  244. Species Cardium verveceum de Loriol, 1868 † (uncertain > unassessed)
  245. Species Cardium vicentinum R. A. Philippi, 1887 † (uncertain > unassessed)
  246. Species Cardium vindinense A. d'Orbigny, 1844 † (uncertain > unassessed)
  247. Species Cardium virgineum Linnaeus, 1758 (uncertain > nomen dubium)
  248. Species Cardium visternicense Simionescu & Barbu, 1940 † (uncertain > unassessed)
  249. Species Cardium witchelli Lycett, 1863 † (uncertain > unassessed)
  250. Species Cardium xiangyunensis J.-H. Chen, 1976 † (uncertain > unassessed)
  251. Species Cardium yaffarense Rochebrune, 1882 † (uncertain > unassessed)
  252. Species Cardium yingxiensis B.-Y. Huang & X.-Q. Zhang, 1982 † (uncertain > taxon inquirendum)
  253. Subgenus Cardium (Acanthocardia) J. E. Gray, 1851 accepted as Acanthocardia J. E. Gray, 1851 (unaccepted > superseded rank)
    1. Species Cardium (Acanthocardia) barrandei Mayer-Eymar, 1900 † accepted as Acanthocardia turonica (M. Hörnes, 1861) † (unaccepted > junior subjective synonym)
    2. 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)
    3. Species Cardium (Acanthocardia) centumpanium Andrusov, 1911 † accepted as Acanthocardia centumpania (Andrusov, 1911) †
    4. Species Cardium (Acanthocardia) cheribonense Oostingh, 1935 † accepted as Vepricardium cheribonense (Oostingh, 1935) † (unaccepted > superseded combination)
    5. Species Cardium (Acanthocardia) ctenolium Dall, 1900 † accepted as Acanthocardia ctenolium (Dall, 1900) † (unaccepted > superseded combination)
    6. Species Cardium (Acanthocardia) denticostulatum Beets, 1941 † accepted as Acanthocardia denticostulata (Beets, 1941) †
    7. Species Cardium (Acanthocardia) exochum Melvill, 1907 accepted as Afrocardium exochum (Melvill, 1907) (unaccepted > superseded combination)
    8. Species Cardium (Acanthocardia) impar Zhizhchenko, 1936 † accepted as Acanthocardia centumpania (Andrusov, 1911) † (unaccepted > junior subjective synonym)
    9. Species Cardium (Acanthocardia) omanense Melvill, 1907 accepted as Papillicardium omanense (Melvill, 1907) (unaccepted > superseded combination)
    10. Species Cardium (Acanthocardia) praechinatum Hilber, 1882 † accepted as Acanthocardia praechinata (Hilber, 1882) † accepted as Acanthocardia brocchii (Mayer[-Eymar], 1866) †
    11. Species Cardium (Acanthocardia) serrula L. R. Cox, 1927 † accepted as Vepricardium burnupi (G. B. Sowerby III, 1897) (unaccepted > junior subjective synonym)
    12. Species Cardium (Acanthocardia) vidali Cossmann & Peyrot, 1912 † accepted as Acanthocardia vidali (Cossmann & Peyrot, 1912) † (unaccepted > superseded rank)
  254. Subgenus Cardium (Acanthocardium) Römer, 1868 accepted as Acanthocardia J. E. Gray, 1851 (unaccepted > junior objective synonym)
    1. Species Cardium (Acanthocardium) echinatum Linnaeus, 1758 accepted as Acanthocardia echinata (Linnaeus, 1758) (unaccepted > superseded combination)
    2. Species Cardium (Acanthocardium) mucronatum Poli, 1791 accepted as Acanthocardia echinata (Linnaeus, 1758)
    3. Species Cardium (Acanthocardium) novum Coen, 1941 accepted as Acanthocardia echinata (Linnaeus, 1758) (unaccepted > junior subjective synonym)
  255. Subgenus Cardium (Adacna) Eichwald, 1838 accepted as Adacna Eichwald, 1838 (unaccepted > superseded rank)
    1. Species Cardium (Adacna) boeckhi Halaváts, 1882 † accepted as Lymnocardium boeckhi (Halaváts, 1882) † (unaccepted > superseded combination)
    2. Species Cardium (Adacna) hofmanni Halaváts, 1882 † accepted as Lymnocardium hofmanni (Halaváts, 1882) † (unaccepted > superseded combination)
    3. Species Cardium (Adacna) pseudosuessi Halaváts, 1886 † accepted as Lymnocardium carnuntinum (M. Hörnes, 1861) † (unaccepted > junior subjective synonym)
    4. Species Cardium (Adacna) purocostatum Halaváts, 1886 † accepted as Lymnocardium purocostatum (Halaváts, 1886) † (unaccepted > superseded combination)
    5. Species Cardium (Adacna) rothi Halaváts, 1886 † accepted as Lymnocardium rothi (Halaváts, 1886) † (unaccepted > superseded combination)
    6. 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)
    7. Species Cardium (Adacna) tegulatum Halaváts, 1886 † accepted as Lymnocardium tegulatum (Halaváts, 1886) † (unaccepted > superseded combination)
    8. Species Cardium (Adacna) triangulatocostatum Halaváts, 1882 † accepted as Lymnocardium triangulatocostatum (Halaváts, 1882) † (unaccepted > superseded combination)
    9. Species Cardium (Adacna) winkleri Halaváts, 1882 † accepted as Lymnocardium winkleri (Halaváts, 1882) † (unaccepted > superseded combination)
  256. Subgenus Cardium (Americardia) R. B. Stewart, 1930 accepted as Americardia R. B. Stewart, 1930 (unaccepted > superseded rank)
    1. Species Cardium (Americardia) stewarti Olsson, 1932 † (uncertain > unassessed)
  257. Subgenus Cardium (Amphicardium) E. von Martens, 1880 accepted as Lyrocardium Meek, 1876 (unaccepted > junior objective synonym)
  258. Subgenus Cardium (Archicardium) F. Sandberger, 1863 accepted as Acanthocardia J. E. Gray, 1851 (unaccepted > junior subjective synonym)
  259. Subgenus Cardium (Avicardium) V. P. Kolesnikov, 1950 † accepted as Avicardium V. P. Kolesnikov, 1950 † (unaccepted > superseded rank)
    1. Species Cardium (Avicardium) latschinjani K. A. Ali-Zade, 1954 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
    2. Species Cardium (Avicardium) transcaspicum (Andrusov, 1902) † accepted as Avicula transcaspica Andrusov, 1902 †
    3. Species Cardium (Avicardium) trigonale K. A. Ali-Zade, 1954 † accepted as Aktschagylocardium aligerum (Uspenskaja, 1931) † (unaccepted > junior subjective synonym)
    4. Species Cardium (Avicardium) uspenskaiae V. P. Kolesnikov, 1950 † accepted as Aktschagylocardium uspenskaiae (V. P. Kolesnikov, 1950) † (unaccepted > superseded combination)
  260. Subgenus Cardium (Bucardium) J. E. Gray, 1853 accepted as Bucardium J. E. Gray, 1853 (unaccepted > superseded rank)
    1. Species Cardium (Bucardium) bazini Deshayes, 1858 † accepted as Bucardium bazini (Deshayes, 1858) † (unaccepted > superseded combination)
    2. Species Cardium (Bucardium) subfragile A. d'Orbigny, 1850 † accepted as Bucardium subfragile (A. d'Orbigny, 1850) † (unaccepted > superseded combination)
  261. Subgenus Cardium (Cardium) Linnaeus, 1758 accepted as Cardium Linnaeus, 1758 (unaccepted > superseded rank)
    1. Species Cardium (Cardium) macroacantha Sacco, 1899 † (uncertain > unassessed)
    2. Species Cardium (Cardium) oblongulum Sacco, 1899 † (uncertain > unassessed)
    3. Species Cardium (Cardium) aculeatum Linnaeus, 1758 accepted as Acanthocardia aculeata (Linnaeus, 1758) (unaccepted > superseded combination)
    4. Species Cardium (Cardium) echinatum Linnaeus, 1758 accepted as Acanthocardia echinata (Linnaeus, 1758) (unaccepted > superseded combination)
    5. Species Cardium (Cardium) paucicostatum G. B. Sowerby II, 1834 † accepted as Acanthocardia paucicostata (G. B. Sowerby II, 1834) (unaccepted > superseded combination)
    6. Species Cardium (Cardium) taurinum Michelotti, 1870 † accepted as Cardium taurinum Michelotti, 1870 † (unaccepted > superseded combination)
    7. Species Cardium (Cardium) tuberculatum Linnaeus, 1758 accepted as Acanthocardia tuberculata (Linnaeus, 1758) (unaccepted > superseded combination)
  262. Subgenus Cardium (Cerastoderma) Poli, 1795 accepted as Cerastoderma Poli, 1795 (unaccepted > superseded rank)
    1. Species Cardium (Cerastoderma) calvertensium Glenn, 1904 † (uncertain > unassessed)
    2. Species Cardium (Cerastoderma) druidicum Dall, 1900 † (uncertain > unassessed)
    3. Species Cardium (Cerastoderma) kokkupicum Andrusov, 1917 † (uncertain > taxon inquirendum)
    4. Species Cardium (Cerastoderma) pansatrum Dall, 1900 † (uncertain > unassessed)
    5. Species Cardium (Cerastoderma) patuxentium Glenn, 1904 † (uncertain > unassessed)
    6. Species Cardium (Cerastoderma) taeniopleura Dall, 1900 † (uncertain > unassessed)
    7. Species Cardium (Cerastoderma) ventricosum Hölzl, 1953 † (uncertain > taxon inquirendum, junior homonym of Cardium ventricosum Bruguière, 1789)
    8. Species Cardium (Cerastoderma) acerbum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes acerbus (V. P. Kolesnikov, 1929) †
    9. Species Cardium (Cerastoderma) agheilensis Kaltenbach, 1949 accepted as Cerastoderma glaucum (Bruguière, 1789) (unaccepted > junior subjective synonym)
    10. Species Cardium (Cerastoderma) arcaeforme O. Boettger, 1880 † accepted as Cerastoderma arcaeformis (O. Boettger, 1880) † (unaccepted > superseded combination)
    11. Species Cardium (Cerastoderma) bajarunasi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes bajarunasi (V. P. Kolesnikov, 1929) †
    12. Species Cardium (Cerastoderma) barboti R. Hoernes, 1874 † accepted as Replidacna barboti (R. Hoernes, 1874) † (unaccepted > superseded combination)
    13. Species Cardium (Cerastoderma) bengasiensis Kaltenbach, 1943 accepted as Cerastoderma glaucum (Bruguière, 1789) (unaccepted > junior subjective synonym)
    14. Species Cardium (Cerastoderma) boinitzense Kojumdgieva, 1969 † accepted as Replidacna boinitzensis (Kojumdgieva, 1969) † (unaccepted > superseded combination)
    15. Species Cardium (Cerastoderma) californiense (Deshayes, 1839) accepted as Keenocardium californiense (Deshayes, 1839) (unaccepted > superseded combination)
    16. Species Cardium (Cerastoderma) chersonense Nosovskiy, 1962 † accepted as Cerastoderma chersonense (Nosovskiy, 1962) † (unaccepted > superseded combination)
    17. Species Cardium (Cerastoderma) chipolanum Dall, 1900 † accepted as Dinocardium chipolanum (Dall, 1900) † (unaccepted > superseded combination)
    18. Species Cardium (Cerastoderma) concameratum Hölzl, 1957 † accepted as Cerastoderma concameratum (Hölzl, 1957) † (unaccepted > superseded combination)
    19. Species Cardium (Cerastoderma) desperatum (V. P. Kolesnikov, 1929) † accepted as Obsoletiformes desperatus (V. P. Kolesnikov, 1929) †
    20. Species Cardium (Cerastoderma) doengingki Sinzov, 1876 † accepted as Planacardium dongingii (Sinzov, 1876) † (unaccepted > superseded combination)
    21. Species Cardium (Cerastoderma) edule Linnaeus, 1758 accepted as Cerastoderma edule (Linnaeus, 1758) (unaccepted > superseded combination)
    22. Species Cardium (Cerastoderma) fittoni A. d'Orbigny, 1845 † accepted as Plicatiformes fittoni (A. d'Orbigny, 1845) †
    23. Species Cardium (Cerastoderma) fortelamellatum Hölzl, 1958 † accepted as Acanthocardia fortelamellata (Hölzl, 1958) † (unaccepted > superseded combination)
    24. Species Cardium (Cerastoderma) fucanum Dall, 1907 accepted as Keenocardium blandum (A. A. Gould, 1850) (unaccepted > junior subjective synonym)
    25. Species Cardium (Cerastoderma) gatuevi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes gatuevi (V. P. Kolesnikov, 1929) †
    26. Species Cardium (Cerastoderma) gleichenbergense A. Papp, 1954 † accepted as Replidacna nigra (Zhizhchenko, 1934) † (unaccepted > junior subjective synonym)
    27. Species Cardium (Cerastoderma) helmerseni Il'ina, 1960 † accepted as Cerastoderma prigorovskii (Bogachev, 1958) † (unaccepted > junior subjective synonym)
    28. Species Cardium (Cerastoderma) inflatum Sinzov, 1875 † accepted as Aviculocardium inflatum (Sinzov, 1875) †
    29. Species Cardium (Cerastoderma) ingratum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obsoletus ingratus (V. P. Kolesnikov, 1929) †
    30. Species Cardium (Cerastoderma) iranjanense Fischer-Piette, 1977 accepted as Fragum erugatum (Tate, 1889) (unaccepted > junior subjective synonym)
    31. Species Cardium (Cerastoderma) kishinevense (V. P. Kolesnikov, 1929) † accepted as Obsoletiformes kishinevensis (V. P. Kolesnikov, 1929) †
    32. Species Cardium (Cerastoderma) kolesnikovi Davitashvili, 1932 † accepted as Obsoletiforma beaumontiana ("A. d'Orbigny, 1844") † accepted as Obsoletiformes obsoletus (Eichwald, 1830) † (unaccepted > junior subjective synonym)
    33. Species Cardium (Cerastoderma) kujoricum Kojumdgieva, 1969 † accepted as Plicatiformes praeplicatus (Hilber, 1882) † (unaccepted > junior subjective synonym)
    34. Species Cardium (Cerastoderma) laevigatoloweni (V. P. Kolesnikov, 1929) † accepted as Kubanocardium laevigatoloweni (V. P. Kolesnikov, 1929) †
    35. Species Cardium (Cerastoderma) lamarckii Reeve, 1845 accepted as Cerastoderma glaucum (Bruguière, 1789)
    36. Species Cardium (Cerastoderma) laqueatum Conrad, 1838 † accepted as Chesacardium laqueatum (Conrad, 1831) † (unaccepted > superseded combination)
    37. 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)
    38. Species Cardium (Cerastoderma) levinae Merklin, 1960 † accepted as Cerastoderma prigorovskii (Bogachev, 1958) † (unaccepted > junior subjective synonym)
    39. Species Cardium (Cerastoderma) lithopodolicum (Du Bois de Montpéreux, 1831) † accepted as Obsoletiformes lithopodolicus (Du Bois de Montpéreux, 1831) †
    40. Species Cardium (Cerastoderma) loweni Sinzov, 1875 † accepted as Kubanocardium loweni (Sinzov, 1875) †
    41. Species Cardium (Cerastoderma) michailowi Toula, 1892 † accepted as Obsoletiformes michailowii (Toula, 1892) †
    42. Species Cardium (Cerastoderma) michelottii Deshayes, 1850 † accepted as Parvicardium michelottii (Deshayes, 1850) † (unaccepted > superseded combination)
    43. Species Cardium (Cerastoderma) nefandum V. P. Kolesnikov, 1935 † accepted as Obsoletiformes nefanda (V. P. Kolesnikov, 1935) †
    44. Species Cardium (Cerastoderma) obsoletiformes V. P. Kolesnikov, 1929 † accepted as Obsoletiformes obsoletiformis (V. P. Kolesnikov, 1929) †
    45. Species Cardium (Cerastoderma) obsoletum Eichwald, 1830 † accepted as Obsoletiformes obsoletus (Eichwald, 1830) †
    46. Species Cardium (Cerastoderma) phlyctaena Dall, 1900 † accepted as Dallocardia phlyctaena (Dall, 1900) † (unaccepted > superseded combination)
    47. Species Cardium (Cerastoderma) plicatum Eichwald, 1830 † accepted as Plicatiformes plicatus (Eichwald, 1830) †
    48. Species Cardium (Cerastoderma) politioanei Jekelius, 1944 † accepted as Replidacna politioanei (Jekelius, 1944) † (unaccepted > superseded combination)
    49. Species Cardium (Cerastoderma) praefischerianum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes praefischerianus (V. P. Kolesnikov, 1929) †
    50. Species Cardium (Cerastoderma) prigorovskii Bogachev, 1958 † accepted as Cerastoderma prigorovskii (Bogachev, 1958) † (unaccepted > superseded combination)
    51. Species Cardium (Cerastoderma) pseudosemiculcatum Andrusov, 1902 † accepted as Obsoletiformes pseudosemisulcatus (Andrusov, 1902) †
    52. Species Cardium (Cerastoderma) quadripartitum (V. P. Kolesnikov, 1929) † accepted as Obsoletiformes quadripartitus (V. P. Kolesnikov, 1929) †
    53. Species Cardium (Cerastoderma) rectidens Coen, 1915 accepted as Cerastoderma glaucum (Bruguière, 1789) (unaccepted > junior subjective synonym)
    54. Species Cardium (Cerastoderma) sarmaticum (V. P. Kolesnikov, 1931) † accepted as Obsoletiformes sarmaticus (V. P. Kolesnikov, 1929) †
    55. Species Cardium (Cerastoderma) scapoosense B. L. Clark, 1925 † accepted as Clinocardium scapoosense (B. L. Clark, 1925) † (unaccepted > superseded combination)
    56. Species Cardium (Cerastoderma) serogosicum Nosovskiy, 1962 † accepted as Cerastoderma serogosicum (Nosovskiy, 1962) † (unaccepted > superseded combination)
    57. Species Cardium (Cerastoderma) suessi Barbot de Marny, 1869 † accepted as Replidacna suessi (Barbot de Marny, 1869) † (unaccepted > superseded combination)
    58. Species Cardium (Cerastoderma) taphrium Dall, 1900 † accepted as Dinocardium taphrium (Dall, 1900) † (unaccepted > superseded combination)
    59. Species Cardium (Cerastoderma) tzankovi Kojumdgieva, 1969 † accepted as Plicatiformes tzankovi (Kojumdgieva, 1969) † (unaccepted > superseded combination)
    60. Species Cardium (Cerastoderma) virginianum Conrad, 1839 † accepted as Planicardium virginianum (Conrad, 1839) † (unaccepted > superseded combination)
    61. Species Cardium (Cerastoderma) waltonianum Dall, 1900 † accepted as Cerastoderma waltoniana (Dall, 1900) † (unaccepted > superseded combination)
  263. Subgenus Cardium (Clinocardium) Keen, 1936 accepted as Clinocardium Keen, 1936 (unaccepted > superseded rank)
    1. Species Cardium (Clinocardium) pseudofastosum Nomura, 1937 † accepted as Clinocardium pseudofastosum (Nomura, 1937) † (unaccepted > superseded combination)
  264. Subgenus Cardium (Corculum) Röding, 1798 accepted as Corculum Röding, 1798 (unaccepted > superseded rank)
    1. 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)
  265. Subgenus Cardium (Criocardium) Conrad, 1870 † accepted as Granocardium (Criocardium) Conrad, 1870 † represented as Granocardium Gabb, 1869 †
    1. Species Cardium (Criocardium) dumosum Conrad, 1870 † (uncertain > unassessed)
  266. Subgenus Cardium (Ctenocardia) H. Adams & A. Adams, 1857 accepted as Ctenocardia H. Adams & A. Adams, 1857 (unaccepted > superseded rank)
    1. 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)
    2. Species Cardium (Ctenocardia) victor Angas, 1872 accepted as Freneixicardia victor (Angas, 1872) (unaccepted > superseded combination)
  267. Subgenus Cardium (Didacna) Eichwald, 1838 accepted as Didacna Eichwald, 1838 (unaccepted > superseded rank)
    1. Species Cardium (Didacna) dynamis Shvets, 1912 † (uncertain > taxon inquirendum)
    2. Species Cardium (Didacna) fuchsi Philippson, 1890 † accepted as Didacna fuchsi (Philippson, 1890) † (unaccepted > superseded combination)
    3. Species Cardium (Didacna) otiophorum (Brusina, 1884) † accepted as Pontalmyra otiophora (Brusina, 1884) † (unaccepted > superseded combination)
    4. Species Cardium (Didacna) plesiochorum Davitashvili, 1930 † accepted as Pontalmyra plesiochora (Davitashvili, 1930) † (unaccepted > superseded combination)
  268. Subgenus Cardium (Dinocardium) Dall, 1900 accepted as Dinocardium Dall, 1900 (unaccepted > superseded rank)
    1. Species Cardium (Dinocardium) ecuadorialis Olsson, 1932 † accepted as Dinocardium ecuadoriale (Olsson, 1932) † (unaccepted > superseded rank)
  269. Subgenus Cardium (Discors) Deshayes, 1858 † accepted as Discors Deshayes, 1858 (unaccepted > superseded rank)
    1. Species Cardium (Discors) aquitanicus Mayer[-Eymar], 1858 † accepted as Lyrocardium aquitanicum (Mayer[-Eymar], 1858) † (unaccepted > superseded combination)
    2. Species Cardium (Discors) discrepans Basterot, 1825 † accepted as Divaricardium discrepans (Basterot, 1825) † (unaccepted > superseded combination)
    3. Species Cardium (Discors) gloriosus Kuroda, 1928 accepted as Lyrocardium aurantiacum (A. Adams & Reeve, 1850) (unaccepted > junior subjective synonym)
    4. Species Cardium (Discors) kelirensis K. Martin, 1917 † accepted as Divaricardium kelirense (K. Martin, 1917) † (unaccepted > superseded combination)
  270. Subgenus Cardium (Divaricardium) Dollfus & Dautzenberg, 1886 † accepted as Divaricardium Dollfus & Dautzenberg, 1886 † (unaccepted > superseded rank)
    1. Species Cardium (Divaricardium) discrepans Basterot, 1825 † accepted as Discors discrepans (Basterot, 1825) † accepted as Divaricardium discrepans (Basterot, 1825) †
  271. Subgenus Cardium (Divergicardium) Dunker, 1882 accepted as Lyrocardium Meek, 1876 (unaccepted > junior objective synonym)
  272. Subgenus Cardium (Eoprosodacna) Davitashvili, 1934 † accepted as Eoprosodacna Davitashvili, 1934 † (unaccepted > superseded rank)
    1. Species Cardium (Eoprosodacna) goriense Davitashvili, 1934 † accepted as Eoprosodacna goriensis (Davitashvili, 1934) † (unaccepted > superseded combination)
    2. Species Cardium (Eoprosodacna) kartlicum Davitashvili, 1934 † accepted as Eoprosodacna (Eoprosodacna) kartlica (Davitashvili, 1934) † represented as Eoprosodacna kartlica (Davitashvili, 1934) † (unaccepted > superseded combination)
  273. Subgenus Cardium (Ethmocardium) C. A. White, 1880 † accepted as Ethmocardium C. A. White, 1880 † (unaccepted > superseded rank)
    1. Species Cardium (Ethmocardium) welleri Stephenson, 1941 † (uncertain > unassessed)
  274. Subgenus Cardium (Eucardium) P. Fischer, 1887 accepted as Acanthocardia J. E. Gray, 1851 (unaccepted > junior objective synonym)
    1. Species Cardium (Eucardium) njalindungense K. Martin, 1922 † accepted as Acanthocardia njalindungensis (K. Martin, 1922) †
    2. Species Cardium (Eucardium) talahabense K. Martin, 1922 † accepted as Acanthocardia talahabensis (K. Martin, 1922) †
  275. Subgenus Cardium (Fragum) Röding, 1798 accepted as Fragum Röding, 1798 (unaccepted > superseded rank)
    1. Species Cardium (Fragum) arestum Dall, 1900 † (uncertain > unassessed)
    2. Species Cardium (Fragum) gatunense Dall, 1900 † (uncertain > unassessed)
    3. 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)
    4. Species Cardium (Fragum) burnsii Dall, 1900 † accepted as Trigoniocardia burnsii (Dall, 1900) † (unaccepted > superseded combination)
    5. Species Cardium (Fragum) callopleurum Gabb, 1881 † accepted as Trigoniocardia callopleurum (Gabb, 1881) † (unaccepted > superseded combination)
    6. Species Cardium (Fragum) centumliratum Melvill, 1907 accepted as Frigidocardium centumliratum (Melvill, 1907) (unaccepted > superseded combination)
    7. Species Cardium (Fragum) crenelloides Melvill, 1909 accepted as Cardium crenelloides Melvill, 1909 accepted as Afrocardium richardi (Audouin, 1826) (unaccepted > junior subjective synonym)
    8. Species Cardium (Fragum) dolichum Suter, 1917 † accepted as Procardia dolicha (Suter, 1917) † (superseded combination)
    9. Species Cardium (Fragum) elattocostatum Woodring, 1925 † accepted as Cardium guppyi Thiele, 1910 accepted as Americardia guppyi (Thiele, 1910) (unaccepted > junior subjective synonym)
    10. Species Cardium (Fragum) eos Kuroda, 1929 accepted as Frigidocardium eos (Kuroda, 1929) (unaccepted > superseded combination)
    11. Species Cardium (Fragum) javanum Wanner & Hahn, 1935 † accepted as Fragum javanum (Wanner & Hahn, 1935) † (unaccepted > superseded combination)
    12. Species Cardium (Fragum) maorinum Suter, 1917 † accepted as Procardia dolicha (Suter, 1917) † (junior subjective synonym)
    13. Species Cardium (Fragum) medium Linnaeus, 1758 accepted as Americardia media (Linnaeus, 1758) (unaccepted > superseded combination)
    14. Species Cardium (Fragum) priscum Suter, 1917 † accepted as Hedecardium brunneri (Hector, 1886) † (junior subjective synonym)
    15. Species Cardium (Fragum) roseolum Melvill, 1909 accepted as Afrocardium richardi (Audouin, 1826) (unaccepted > junior subjective synonym)
    16. Species Cardium (Fragum) rubescens E. A. Smith, 1911 accepted as Afrocardium richardi (Audouin, 1826) (unaccepted > junior subjective synonym)
    17. Species Cardium (Fragum) simillimum E. A. Smith, 1896 accepted as Microcardium simillimum (E. A. Smith, 1896) (unaccepted > superseded combination)
    18. Species Cardium (Fragum) torresi E. A. Smith, 1885 accepted as Frigidocardium torresi (E. A. Smith, 1885) (unaccepted > superseded combination)
    19. Species Cardium (Fragum) haitense G. B. Sowerby I, 1850 † represented as Cardium haitense G. B. Sowerby I, 1850 †
  276. Subgenus Cardium (Fulvia) J. E. Gray, 1853 accepted as Fulvia J. E. Gray, 1853 (unaccepted > superseded rank)
    1. Species Cardium (Fulvia) peramabilis Dall, 1881 accepted as Microcardium peramabile (Dall, 1881) (unaccepted > superseded combination)
  277. Subgenus Cardium (Glans) Megerle von Mühlfeld, 1811 accepted as Glans Megerle von Mühlfeld, 1811 (unaccepted > superseded rank)
    1. Species Cardium (Glans) kaiparaensis P. Marshall, 1918 † accepted as Glyptoactis subintermedia (Suter, 1917) † (junior subjective synonym)
  278. Subgenus Cardium (Granocardium) Gabb, 1869 † accepted as Granocardium Gabb, 1869 † (unaccepted > superseded rank)
    1. Species Cardium (Granocardium) bowenae Stephenson, 1941 † (uncertain > unassessed)
    2. Species Cardium (Granocardium) deltanum Stephenson, 1941 † (uncertain > unassessed)
    3. Species Cardium (Granocardium) lowei Stephenson, 1955 † (uncertain > unassessed)
    4. Species Cardium (Granocardium) rossae Stephenson, 1941 † (uncertain > unassessed)
    5. Species Cardium (Granocardium) sabulosum Gabb, 1869 † (uncertain > unassessed)
    6. Species Cardium (Granocardium) tholi Stephenson, 1941 † (uncertain > unassessed)
  279. Subgenus Cardium (Hemicardium) Schweigger, 1820 accepted as Corculum Röding, 1798
    1. Species Cardium (Hemicardium) rocanum Ihering, 1907 † (uncertain > unassessed)
  280. Subgenus Cardium (Hemidiscors) Rovereto, 1898 † accepted as Discors Deshayes, 1858 (unaccepted > junior subjective synonym)
    1. Species Cardium (Hemidiscors) rugiferum Rovereto, 1898 † (uncertain > taxon inquirendum)
  281. Subgenus Cardium (Inaequicostata) Paramonova, 1971 † accepted as Replidacna Jekelius, 1944 † (unaccepted > junior subjective synonym)
    1. Species Cardium (Inaequicostata) vasoevitshi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes pseudofischerianus vasoevitshi (V. P. Kolesnikov, 1929) † (unaccepted > superseded combination)
    2. Species Cardium (Inaequicostata) wiesenense A. Papp, 1954 † accepted as Replidacna wiesenensis (A. Papp, 1954) † (unaccepted > superseded combination)
  282. Subgenus Cardium (Incacardium) Olsson, 1944 † accepted as Incacardium Olsson, 1944 † (unaccepted > superseded rank)
    1. Species Cardium (Incacardium) mellisum Olsson, 1944 † accepted as Incacardium mellisum (Olsson, 1944) † (unaccepted > superseded combination)
  283. Subgenus Cardium (Jurassicardium) Cossmann, 1906 † accepted as Jurassicardium Cossmann, 1906 † (unaccepted > superseded rank)
    1. Species Cardium (Jurassicardium) axonense Cossmann, 1906 † accepted as Jurassicardium axonense Cossmann, 1906 † (unaccepted > superseded combination)
    2. Species Cardium (Jurassicardium) microscopicum Cossmann, 1916 † accepted as Jurassicardium microscopicum Cossmann, 1916 † (unaccepted > superseded combination)
  284. Subgenus Cardium (Kathocardia) H. I. Tucker & D. Wilson, 1932 † accepted as Cardium (Trachycardium) Mörch, 1853 accepted as Trachycardium Mörch, 1853 (unaccepted > junior subjective synonym)
    1. Species Cardium (Kathocardia) aclinensis H. I. Tucker & D. Wilson, 1932 † accepted as Trachycardium aclinense (H. I. Tucker & D. Wilson, 1932) † (unaccepted > superseded combination)
  285. Subgenus Cardium (Kubanocardium) Muskhelishvili, 1965 † accepted as Kubanocardium Muskhelishvili, 1965 † (unaccepted > superseded rank)
  286. Subgenus Cardium (Laevicardium) Swainson, 1840 accepted as Laevicardium Swainson, 1840 (unaccepted > superseded rank)
    1. Species Cardium (Laevicardium) cyprium (Brocchi, 1814) † (uncertain > unassessed)
    2. Species Cardium (Laevicardium) loxotenes O. Boettger, 1883 † (uncertain > taxon inquirendum)
    3. Species Cardium (Laevicardium) milleri Gabb, 1881 † (uncertain > unassessed)
    4. Species Cardium (Laevicardium) pertenue Gabb, 1869 † (uncertain > unassessed, junior homonym of Cardium pertenue Meek & Hayden, 1861)
    5. Species Cardium (Laevicardium) taurovatum Sacco, 1899 † (uncertain > unassessed)
    6. Species Cardium (Laevicardium) annulatum Gabb, 1864 † accepted as Thetis annulata (Gabb, 1864) † (unaccepted > superseded combination)
    7. Species Cardium (Laevicardium) auberti Abrard, 1947 † accepted as Nemocardium auberti (Abrard, 1947) † (unaccepted > superseded combination)
    8. Species Cardium (Laevicardium) automolos K. Martin, 1917 † accepted as Laevicardium automolos (K. Martin, 1917) † (unaccepted > superseded combination)
    9. Species Cardium (Laevicardium) clarionense Hertlein & A. M. Strong, 1947 accepted as Laevicardium clarionense (Hertlein & A. M. Strong, 1947) (unaccepted > superseded rank)
    10. Species Cardium (Laevicardium) compressum Dall, 1900 † accepted as Laevicardium compressum (Dall, 1900) † (unaccepted > superseded combination)
    11. 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)
    12. Species Cardium (Laevicardium) jobanicum Yokoyama, 1924 † accepted as Leukoma jobanica (Yokoyama, 1924) † (unaccepted > superseded combination)
    13. Species Cardium (Laevicardium) mansfieldi Abrard, 1947 † accepted as Acrosterigma mansfieldi (Abrard, 1947) † (unaccepted > superseded combination)
    14. Species Cardium (Laevicardium) norvegicum L. Spengler, 1799 accepted as Laevicardium crassum (Gmelin, 1791)
    15. Species Cardium (Laevicardium) serratum Linnaeus, 1758 accepted as Laevicardium serratum (Linnaeus, 1758) (unaccepted > superseded combination)
    16. Species Cardium (Laevicardium) spillmani Conrad, 1858 † accepted as Protocardia (Pachycardium) spillmani (Conrad, 1858) † represented as Protocardia spillmani (Conrad, 1858) † (unaccepted > superseded combination)
    17. Species Cardium (Laevicardium) squalidum Yokoyama, 1924 † accepted as Serripes squalidum (Yokoyama, 1924) † (unaccepted > superseded combination)
    18. Species Cardium (Laevicardium) tristiculum Yokoyama, 1924 † accepted as Nemocardium tristiculum (Yokoyama, 1924) † (unaccepted > superseded combination)
    19. Species Cardium (Laevicardium) venustum Gabb, 1873 † accepted as Laevicardium venustulum H. E. Vokes, 1989 † (unaccepted > junior homonym, junior homonym of Cardium venustum Dunker, 1861; Laevicardium venustulum is a replacement name)
  287. Subgenus Cardium (Limnocardium) [sic] † accepted as Lymnocardium Stoliczka, 1870 † (unaccepted > misspelling - incorrect subsequent spelling)
    1. Species Cardium (Limnocardium) subpapyraceum Sinzov, 1897 † (uncertain > taxon inquirendum)
    2. Species Cardium (Limnocardium) latisulcum Münster, 1837 † accepted as Plicatiformes latisulcus (Münster, 1837) † (unaccepted > superseded combination)
    3. Species Cardium (Limnocardium) plicatolitorale Sinzov, 1897 † accepted as Pseudoprosodacna littoralis plicatolitoralis (Sinzov, 1897) † (superseded rank and combination)
  288. Subgenus Cardium (Lophocardium) P. Fischer, 1887 accepted as Lophocardium P. Fischer, 1887 (unaccepted > superseded rank)
    1. Species Cardium (Lophocardium) annettae Dall, 1889 accepted as Lophocardium annettae (Dall, 1889) (unaccepted > superseded combination)
  289. Subgenus Cardium (Loxocardium) Cossmann, 1886 † accepted as Loxocardium Cossmann, 1886 † (unaccepted > superseded rank, original rank)
    1. Species Cardium (Loxocardium) oligoparvum Sacco, 1899 † (uncertain > unassessed)
    2. Species Cardium (Loxocardium) briarti Cossmann, 1908 † accepted as Loxocardium briarti (Cossmann, 1908) † (unaccepted > superseded combination)
    3. Species Cardium (Loxocardium) desertorum P. Oppenheim, 1903 † accepted as Vasticardium desertorum (P. Oppenheim, 1903) † (unaccepted > superseded combination)
    4. Species Cardium (Loxocardium) djunggranganense K. Martin, 1917 † accepted as Loxocardium djunggranganense (K. Martin, 1917) † (unaccepted > superseded combination)
    5. Species Cardium (Loxocardium) karikalense Cossmann, 1924 † accepted as Cardium virgo Reeve, 1845 accepted as Ctenocardia virgo (Reeve, 1845) (unaccepted > junior subjective synonym)
    6. Species Cardium (Loxocardium) marchandi Cossmann, 1905 † accepted as Loxocardium marchandi (Cossmann, 1905) † (unaccepted > superseded combination)
    7. Species Cardium (Loxocardium) pallasianum Basterot, 1825 † accepted as Loxocardium pallassianum (Basterot, 1825) † (unaccepted > superseded combination)
    8. Species Cardium (Loxocardium) rarisquamatum Cossmann & Pissarro, 1904 † accepted as Parvicardium rarisquamatum (Cossmann & Pissarro, 1904) † (unaccepted > superseded combination)
  290. Subgenus Cardium (Monodacna) Eichwald, 1838 accepted as Monodacna Eichwald, 1838 (unaccepted > superseded rank)
    1. Species Cardium (Monodacna) falunica Shvets, 1912 † accepted as Monodacna falunica (Shvets, 1912) † (unaccepted > superseded combination)
    2. Species Cardium (Monodacna) jammense Hilber, 1891 † accepted as Plicatiformes latisulcus jammensis (Hilber, 1891) † (unaccepted > superseded combination)
  291. Subgenus Cardium (Nemocardium) Meek, 1876 accepted as Nemocardium Meek, 1876 (unaccepted > superseded rank)
    1. Species Cardium (Nemocardium) jogjacartense K. Martin, 1917 † accepted as Pseudofulvia jogjacartense (K. Martin, 1917) † (unaccepted > superseded combination)
    2. Species Cardium (Nemocardium) samarangae Makiyama, 1934 accepted as Keenaea samarangae (Makiyama, 1934) (unaccepted > superseded combination)
    3. Species Cardium (Nemocardium) striatulum Brocchi, 1814 † accepted as Parvicardium striatulum (Brocchi, 1814) † (unaccepted > superseded combination)
    4. Species Cardium (Nemocardium) toriii Nomura, 1933 † accepted as Nemocardium toriii (Nomura, 1933) † (unaccepted > superseded combination)
  292. Subgenus Cardium (Obsoletiforma) Paramonova, 1971 † accepted as Obsoletiformes Kojumdgieva, 1969 † (unaccepted > unjustified emendation)
  293. Subgenus Cardium (Obsoletiformes) Kojumdgieva, 1969 † accepted as Obsoletiformes Kojumdgieva, 1969 † (unaccepted > superseded rank)
  294. Subgenus Cardium (Orthocardium) Tremlett, 1950 † accepted as Orthocardium Tremlett, 1950 † (unaccepted > superseded rank)
    1. Species Cardium (Orthocardium) bouryi Cossmann, 1886 † accepted as Orthocardium bouryi (Cossmann, 1886) † (unaccepted > superseded combination)
    2. Species Cardium (Orthocardium) gratum (Defrance, 1829) † accepted as Orthocardium gratum (Defrance, 1829) † (unaccepted > superseded combination)
    3. Species Cardium (Orthocardium) hybridum Deshayes, 1829 † accepted as Orthocardium hybridum (Deshayes, 1829) † (unaccepted > superseded combination)
    4. Species Cardium (Orthocardium) moloti Staadt, 1913 † accepted as Orthocardium moloti (Staadt, 1913) † (unaccepted > superseded combination)
    5. Species Cardium (Orthocardium) morleti de Raincourt, 1870 † accepted as Orthocardium morleti (de Raincourt, 1870) † (unaccepted > superseded combination)
    6. Species Cardium (Orthocardium) munieri (Chavan, 1941) † accepted as Orthocardium munieri (Chavan, 1941) † (unaccepted > superseded combination)
    7. Species Cardium (Orthocardium) porulosum (Solander, 1766) † accepted as Orthocardium porulosum (Solander, 1766) † (unaccepted > superseded combination)
    8. Species Cardium (Orthocardium) stilpnaulax Cossmann, 1886 † accepted as Orthocardium stilpnaulax (Cossmann, 1886) † (unaccepted > superseded combination)
    9. Species Cardium (Orthocardium) trifidum Deshayes, 1858 † accepted as Orthocardium trifidum (Deshayes, 1858) † (unaccepted > superseded combination)
  295. Subgenus Cardium (Pachycardium) Conrad, 1869 † accepted as Protocardia (Pachycardium) Conrad, 1869 † represented as Protocardia Beyrich, 1845 †
    1. Species Cardium (Pachycardium) wadei Stephenson, 1941 † (uncertain > unassessed)
  296. Subgenus Cardium (Papillicardium) Sacco, 1899 accepted as Papillicardium Sacco, 1899 (unaccepted > superseded rank)
    1. Species Cardium (Papillicardium) papillosum Poli, 1791 accepted as Papillicardium papillosum (Poli, 1791) (unaccepted > superseded rank)
    2. Species Cardium (Papillicardium) praehispidiforme Bagdasarian, 1970 † accepted as Parvicardium praehispidiforme (Bagdasarian, 1970) † (unaccepted > superseded combination)
    3. Species Cardium (Papillicardium) sakharaulense Bagdasarian, 1970 † accepted as Parvicardium sakharaulense (Bagdasarian, 1970) † (unaccepted > superseded combination)
  297. Subgenus Cardium (Papyridea) Swainson, 1840 accepted as Papyridea Swainson, 1840 (unaccepted > superseded rank)
    1. Species Cardium (Papyridea) bulbosum Dall, 1900 † accepted as Papyridea bulbosa (Dall, 1900) † (unaccepted > superseded combination)
    2. Species Cardium (Papyridea) crockeri A. M. Strong & Hertlein, 1937 accepted as Papyridea crockeri (A. M. Strong & Hertlein, 1937) (unaccepted > superseded combination, original combination)
    3. 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)
    4. Species Cardium (Papyridea) semisulcatum J. E. Gray, 1825 accepted as Papyridea semisulcata (J. E. Gray, 1825) accepted as Pseudopapyridea semisulcata (J. E. Gray, 1825) (unaccepted > superseded rank)
    5. Species Cardium (Papyridea) spinosum (Meuschen, 1787) accepted as Papyridea lata (Born, 1778) (unaccepted > junior subjective synonym)
  298. Subgenus Cardium (Paradacna) Andrusov, 1909 † accepted as Paradacna Andrusov, 1909 † (unaccepted > superseded rank)
  299. Subgenus Cardium (Parvicardium) Monterosato, 1884 accepted as Parvicardium Monterosato, 1884 (unaccepted > superseded rank, original rank)
    1. Species Cardium (Parvicardium) fragulinum Cossmann, 1896 † accepted as Parvicardium fragulinum (Cossmann, 1896) † (unaccepted > superseded rank)
    2. Species Cardium (Parvicardium) liverovskayae Merklin, 1950 † accepted as Parvicardium liverovskayae (Merklin, 1950) †
    3. Species Cardium (Parvicardium) minimum (R. A. Philippi, 1836) accepted as Papillicardium minimum (R. A. Philippi, 1836)
    4. Species Cardium (Parvicardium) papillosum Poli, 1791 accepted as Papillicardium papillosum (Poli, 1791) (unaccepted > superseded combination)
    5. Species Cardium (Parvicardium) parvissimum Švagrovský, 1960 † accepted as Plicatiformes parvissimus (Švagrovský, 1960) † (unaccepted > superseded combination)
    6. Species Cardium (Parvicardium) straeleni Glibert, 1945 † accepted as Parvicardium straeleni (Glibert, 1945) † (unaccepted > superseded combination)
    7. Species Cardium (Parvicardium) subhispidum Hilber, 1882 † accepted as Parvicardium subhispidum (Hilber, 1882) †
    8. Species Cardium (Parvicardium) transversale Deshayes, 1855 † accepted as Parvicardium vroomi van Aartsen, Menkhorst & E. Gittenberger, 1984 (unaccepted > junior subjective synonym)
  300. Subgenus Cardium (Phyllicardium) [sic!] † accepted as Phyllocardium P. Fischer, 1887 † (unaccepted > misspelling - incorrect subsequent spelling)
    1. Species Cardium (Phyllicardium) dongingi Sinzov, 1876 † accepted as Planacardium dongingii (Sinzov, 1876) † (unaccepted > superseded combination)
  301. Subgenus Cardium (Plagiocardium) Cossmann, 1886 † accepted as Plagiocardium Cossmann, 1886 † (unaccepted > superseded rank)
    1. Species Cardium (Plagiocardium) hirsutum Bronn, 1831 † accepted as Afrocardium hirsutum (Bronn, 1831) †
    2. Species Cardium (Plagiocardium) plagiomorphum Cossmann, 1886 † accepted as Parvicardium plagiomorphum (Cossmann, 1886) † (unaccepted > superseded combination)
    3. Species Cardium (Plagiocardium) tenuitesta Cossmann, 1908 † accepted as Parvicardium tenuitesta (Cossmann, 1908) † (unaccepted > superseded combination)
  302. Subgenus Cardium (Protocardia) Beyrich, 1845 † accepted as Protocardia Beyrich, 1845 † (unaccepted > superseded rank)
    1. Species Cardium (Protocardia) africanum Tavani, 1948 † (uncertain > unassessed)
    2. Species Cardium (Protocardia) arkansense Conrad, 1855 † (uncertain > unassessed)
    3. Species Cardium (Protocardia) cecionii Tavani, 1948 † (uncertain > unassessed)
    4. Species Cardium (Protocardia) faccai Tavani, 1948 † (uncertain > unassessed)
    5. Species Cardium (Protocardia) filosum Conrad, 1857 † (uncertain > unassessed)
    6. Species Cardium (Protocardia) judaicum Hamlin, 1884 † (uncertain > unassessed)
    7. Species Cardium (Protocardia) linteum Conrad, 1860 † (uncertain > unassessed)
    8. Species Cardium (Protocardia) marchesinii Tavani, 1948 † (uncertain > unassessed)
    9. Species Cardium (Protocardia) newberryanum Gabb, 1881 † (uncertain > unassessed)
    10. Species Cardium (Protocardia) scarsellai Tavani, 1948 † (uncertain > unassessed)
    11. Species Cardium (Protocardia) texanum Conrad, 1857 † (uncertain > unassessed)
    12. Species Cardium (Protocardia) venzoi Tavani, 1948 † (uncertain > unassessed)
    13. Species Cardium (Protocardia) appressum Gabb, 1877 † accepted as Protocardia appressa (Gabb, 1877) † (unaccepted > superseded combination)
    14. Species Cardium (Protocardia) hornesi Deshayes, 1858 † accepted as Nemocardium hornesi (Deshayes, 1858) † (unaccepted > superseded combination)
  303. Subgenus Cardium (Protocardium) Geinitz, 1874 † accepted as Protocardia Beyrich, 1845 † (unaccepted > unjustified emendation)
    1. Species Cardium (Protocardium) granuliferum Gabb, 1869 † (uncertain > unassessed)
    2. Species Cardium (Protocardium) translucidum Gabb, 1869 † (uncertain > unassessed)
    3. Species Cardium (Protocardium) zetes de Loriol, 1888 † (uncertain > unassessed)
    4. Species Cardium (Protocardium) antisemigranulatum McCoy, 1877 † accepted as Pratulum antisemigranulatum (McCoy, 1877) † accepted as Nemocardium antisemigranulatum (McCoy, 1877) † (unaccepted > superseded combination)
  304. Subgenus Cardium (Pseudocardita) Oppenheim, 1919 † accepted as Didacna Eichwald, 1838 (unaccepted > junior subjective synonym)
    1. Species Cardium (Pseudocardita) bukowskii Oppenheim, 1919 † (uncertain > taxon inquirendum)
    2. Species Cardium (Pseudocardita) chamaeforme Oppenheim, 1919 † (uncertain > taxon inquirendum)
    3. Species Cardium (Pseudocardita) denisluense Oppenheim, 1919 † (uncertain > taxon inquirendum)
    4. Species Cardium (Pseudocardita) philippsoni Oppenheim, 1919 † (uncertain > taxon inquirendum)
    5. Species Cardium (Pseudocardita) laodicaeense Oppenheim, 1919 † accepted as Didacna laodicaeensis (Oppenheim, 1919) † (unaccepted > superseded combination)
    6. Species Cardium (Pseudocardita) phrygicum Oppenheim, 1919 † accepted as Didacna phrygica (Oppenheim, 1919) † (unaccepted > superseded combination)
  305. Subgenus Cardium (Psilodon) Cobălcescu, 1883 † accepted as Prosodacna Tournouër, 1882 † (junior homonym of Psilodon Perty, 1830 [Coleoptera]; junior synonym)
  306. Subgenus Cardium (Replidacna) Jekelius, 1944 † accepted as Replidacna Jekelius, 1944 † (unaccepted > superseded rank)
    1. Species Cardium (Replidacna) azerbaidjanicum (A. A. Ali-Zade & Rybina, 1969) † accepted as Obsoletiformes obsoletus (Eichwald, 1830) † (unaccepted > junior subjective synonym)
    2. Species Cardium (Replidacna) krambergeri Sauerzopf, 1952 † accepted as Lymnocardium krambergeri (Sauerzopf, 1952) † (unaccepted > superseded combination)
    3. Species Cardium (Replidacna) nevesskajae A. A. Ali-Zade & Rybina, 1974 † accepted as Plicatiformes fittoni (A. d'Orbigny, 1845) † (unaccepted > junior subjective synonym)
    4. Species Cardium (Replidacna) partitum A. A. Ali-Zade & Ribina, 1974 † accepted as Replidacna partita (A. A. Ali-Zade & Ribina, 1974) † (unaccepted > superseded combination)
    5. Species Cardium (Replidacna) plancarinata A. Papp, 1954 † accepted as Replidacna plancarinata (A. Papp, 1954) † (unaccepted > superseded combination)
    6. Species Cardium (Replidacna) raricostatum A. A. Ali-Zade & Rybina, 1974 † accepted as Plicatiformes fittoni (A. d'Orbigny, 1845) † (unaccepted > junior subjective synonym)
    7. Species Cardium (Replidacna) speciosum A. A. Ali-Zade & Rybina, 1974 † accepted as Replidacna suessi (Barbot de Marny, 1869) † (unaccepted > junior subjective synonym)
    8. Species Cardium (Replidacna) tumidum A. A. Ali-Zade & Rybina, 1974 † accepted as Obsoletiformes pseudofischerianus vasoevitshi (V. P. Kolesnikov, 1929) † (unaccepted > junior subjective synonym)
  307. Subgenus Cardium (Ringicardium) P. Fischer, 1887 accepted as Bucardium J. E. Gray, 1853 (unaccepted > junior objective synonym)
    1. Species Cardium (Ringicardium) hians Brocchi, 1814 † accepted as Procardium diluvianum (Lamarck, 1819) † (unaccepted > junior subjective synonym)
    2. Species Cardium (Ringicardium) kunstleri Cossmann & Peyrot, 1912 † accepted as Procardium kunstleri (Cossmann & Peyrot, 1912) † (unaccepted > superseded combination)
    3. Species Cardium (Ringicardium) mansitii Otuka, 1937 accepted as Maoricardium setosum (Redfield, 1846) (unaccepted > junior subjective synonym)
  308. Subgenus Cardium (Rudicardium) Coen, 1915 † accepted as Acanthocardia J. E. Gray, 1851 (unaccepted > junior subjective synonym)
    1. Species Cardium (Rudicardium) grande Hölzl, 1958 † accepted as Acanthocardia grandis (Hölzl, 1958) †
  309. Subgenus Cardium (Serripes) A. A. Gould, 1841 accepted as Serripes A. A. Gould, 1841 (unaccepted > superseded rank)
    1. Species Cardium (Serripes) adamsi Tryon, 1872 accepted as Keenaea samarangae (Makiyama, 1934) (unaccepted > junior homonym, non Cardium adamsii Reeve in A. Adams & Reeve, 1850)
    2. Species Cardium (Serripes) bulla Gabb, 1873 † accepted as Anodontia bulla (Gabb, 1873) † (unaccepted > superseded combination)
    3. Species Cardium (Serripes) notabile G. B. Sowerby III, 1915 accepted as Serripes notabilis (G. B. Sowerby III, 1915) (unaccepted > superseded combination)
  310. Subgenus Cardium (Trachycardium) Mörch, 1853 accepted as Trachycardium Mörch, 1853 (unaccepted > superseded rank)
    1. Species Cardium (Trachycardium) biarmatum O. Boettger, 1883 † (uncertain > unassessed)
    2. Species Cardium (Trachycardium) caroniense Maury, 1925 † (uncertain > unassessed)
    3. Species Cardium (Trachycardium) couvense Maury, 1925 † (uncertain > unassessed)
    4. Species Cardium (Trachycardium) delphicum Dall, 1900 † (uncertain > unassessed)
    5. Species Cardium (Trachycardium) dominicense Gabb, 1873 † (uncertain > unassessed)
    6. Species Cardium (Trachycardium) gorokuense Nomura, 1938 † (uncertain > unassessed)
    7. Species Cardium (Trachycardium) inconspicuum Guppy, 1866 † (uncertain > unassessed)
    8. Species Cardium (Trachycardium) malacum Dall, 1900 † (uncertain > unassessed)
    9. Species Cardium (Trachycardium) mayereymari P. Oppenheim, 1906 † (uncertain > unassessed)
    10. Species Cardium (Trachycardium) niasense O. Boettger, 1883 † (uncertain > unassessed)
    11. Species Cardium (Trachycardium) peruvianum Spieker, 1922 † (uncertain > unassessed)
    12. Species Cardium (Trachycardium) precursor Dall, 1900 † (uncertain > unassessed)
    13. Species Cardium (Trachycardium) sanctidavidis Maury, 1925 † (uncertain > unassessed)
    14. Species Cardium (Trachycardium) tamanense Maury, 1925 † (uncertain > unassessed)
    15. Species Cardium (Trachycardium) venadense Maury, 1925 † (uncertain > unassessed)
    16. Species Cardium (Trachycardium) zorritensis Spieker, 1922 † (uncertain > unassessed)
    17. Species Cardium (Trachycardium) alabamense Gabb, 1877 † accepted as Granocardium (Criocardium) alabamense (Gabb, 1877) † represented as Granocardium alabamense (Gabb, 1877) † (unaccepted > superseded combination)
    18. Species Cardium (Trachycardium) beauforti Prashad, 1932 accepted as Acrosterigma impolitum (G. B. Sowerby II, 1834) (unaccepted > junior subjective synonym)
    19. Species Cardium (Trachycardium) bowdenense Dall, 1900 † accepted as Dallocardia bowdenensis (Dall, 1900) † (unaccepted > superseded combination)
    20. Species Cardium (Trachycardium) cantuariense Laws, 1933 † accepted as Hedecardium cantuariense (Laws, 1933) † (superseded combination)
    21. Species Cardium (Trachycardium) cestum Dall, 1900 † accepted as Trachycardium cestum (Dall, 1900) † (unaccepted > superseded combination)
    22. Species Cardium (Trachycardium) cinderellae Maury, 1917 † accepted as Agnocardia cinderellae (Maury, 1917) † (unaccepted > superseded combination)
    23. Species Cardium (Trachycardium) claibornensis Aldrich, 1911 † accepted as Agnocardia claibornensis (Aldrich, 1911) † (unaccepted > superseded combination)
    24. Species Cardium (Trachycardium) consors G. B. Sowerby I, 1833 accepted as Trachycardium consors (G. B. Sowerby I, 1833) (unaccepted > superseded combination)
    25. Species Cardium (Trachycardium) declive Gabb, 1881 † accepted as Acrosterigma declive (Gabb, 1881) † (unaccepted > superseded combination)
    26. Species Cardium (Trachycardium) dianthinum Melvill & Standen, 1899 accepted as Acrosterigma dianthinum (Melvill & Standen, 1899) (unaccepted > superseded combination, basionym)
    27. Species Cardium (Trachycardium) dominicanum Dall, 1900 † accepted as Mexicardia dominicana (Dall, 1900) † (unaccepted > superseded combination)
    28. Species Cardium (Trachycardium) emmonsi Conrad, 1867 † accepted as Trachycardium emmonsi (Conrad, 1867) † (unaccepted > superseded combination)
    29. Species Cardium (Trachycardium) eufaulense Conrad, 1860 † accepted as Pleuriocardia (Dochmocardia) eufaulensis (Conrad, 1860) † represented as Pleuriocardia eufaulensis (Conrad, 1860) † (unaccepted > superseded combination)
    30. Species Cardium (Trachycardium) evergladeensis Mansfield, 1931 † accepted as Trachycardium evergladeense (Mansfield, 1931) † (unaccepted > superseded combination)
    31. Species Cardium (Trachycardium) gallicum Mayer[-Eymar], 1866 † accepted as Habecardium gallicum (Mayer[-Eymar], 1866) † (unaccepted > superseded combination)
    32. Species Cardium (Trachycardium) hornelli Tomlin, 1928 accepted as Acrosterigma pristipleura (Dall, 1901) (unnecessary replacement name for C. maculatum G.B. Sowerby II, 1840)
    33. Species Cardium (Trachycardium) hulshofi Pannekoek, 1936 † accepted as Freneixicardia victor (Angas, 1872) (unaccepted > junior subjective synonym)
    34. Species Cardium (Trachycardium) infantule Nomura & Zinbo, 1934 † accepted as Afrocardium exochum (Melvill, 1907) (unaccepted > junior subjective synonym)
    35. Species Cardium (Trachycardium) isocardia Linnaeus, 1758 accepted as Trachycardium isocardia (Linnaeus, 1758) (unaccepted > superseded rank)
    36. Species Cardium (Trachycardium) kenyanum L. R. Cox, 1930 † accepted as Vasticardium kenyanum (L. R. Cox, 1930) † (unaccepted > superseded combination)
    37. Species Cardium (Trachycardium) laddi Abrard, 1947 † accepted as Cardium (Trachycardium) sewelli Prashad, 1932 accepted as Vasticardium sewelli (Prashad, 1932) (unaccepted > junior subjective synonym)
    38. Species Cardium (Trachycardium) lingualeonis Guppy, 1866 † accepted as Phlogocardia lingualeonis (Guppy, 1866) † (unaccepted > superseded combination)
    39. Species Cardium (Trachycardium) machapooriensis Maury, 1925 † accepted as Agnocardia machapooriensis (Maury, 1925) † (unaccepted > superseded combination)
    40. Species Cardium (Trachycardium) moloti Staadt, 1913 † accepted as Orthocardium moloti (Staadt, 1913) † (unaccepted > superseded combination)
    41. Species Cardium (Trachycardium) multicostatum Brocchi, 1814 † accepted as Europicardium multicostatum (Brocchi, 1814) † (unaccepted > superseded combination)
    42. Species Cardium (Trachycardium) muricatum Linnaeus, 1758 accepted as Dallocardia muricata (Linnaeus, 1758) (unaccepted > superseded combination)
    43. Species Cardium (Trachycardium) oedalium Dall, 1900 † accepted as Trachycardium oedalium (Dall, 1900) † (unaccepted > superseded combination)
    44. Species Cardium (Trachycardium) parile Dall, 1900 † accepted as Trachycardium parile (Dall, 1900) † (unaccepted > superseded combination)
    45. 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)
    46. Species Cardium (Trachycardium) polycolpatum Cossmann & Peyrot, 1912 † accepted as Europicardium polycolpatum (Cossmann & Peyrot, 1912) † (unaccepted > superseded combination)
    47. Species Cardium (Trachycardium) pristipleura Dall, 1901 accepted as Acrosterigma pristipleura (Dall, 1901) (unaccepted > superseded combination)
    48. Species Cardium (Trachycardium) pseudoangulatum Bülow, 1905 accepted as Cardium philippinense Hedley, 1899 accepted as Vasticardium philippinense (Hedley, 1899) (unaccepted > junior subjective synonym)
    49. Species Cardium (Trachycardium) sedanense Pannekoek, 1936 † accepted as Trachycardium sedanense (Pannekoek, 1936) † (unaccepted > superseded combination)
    50. Species Cardium (Trachycardium) serricostatum Melvill & Standen, 1899 accepted as Vasticardium serricostatum (Melvill & Standen, 1899) (unaccepted > superseded combination)
    51. Species Cardium (Trachycardium) sewelli Prashad, 1932 accepted as Vasticardium sewelli (Prashad, 1932) (unaccepted > superseded combination)
    52. Species Cardium (Trachycardium) sokkohense K. Martin, 1917 † accepted as Trachycardium sokkohense (K. Martin, 1917) † (unaccepted > superseded combination)
    53. Species Cardium (Trachycardium) spolongense K. Martin, 1917 † accepted as Trachycardium spolongense (K. Martin, 1917) † (unaccepted > superseded combination)
    54. Species Cardium (Trachycardium) stilpnaulax Cossmann, 1886 † accepted as Orthocardium stilpnaulax (Cossmann, 1886) † (unaccepted > superseded rank)
    55. Species Cardium (Trachycardium) stiriatum A. P. Brown & Pilsbry, 1911 † accepted as Phlogocardia stiriata (A. P. Brown & Pilsbry, 1911) † (unaccepted > superseded combination)
    56. Species Cardium (Trachycardium) subelongatum G. B. Sowerby II, 1840 accepted as Acrosterigma magnum (Linnaeus, 1758) (unaccepted > junior subjective synonym)
    57. Species Cardium (Trachycardium) transcendens Melvill & Standen, 1899 accepted as Acrosterigma transcendens (Melvill & Standen, 1899) (unaccepted > superseded combination)
    58. Species Cardium (Trachycardium) umbonatum Cossmann, 1921 † accepted as Goniocardium umbonatum (Cossmann, 1921) † (unaccepted > superseded combination)
    59. Species Cardium (Trachycardium) verrucosum Deshayes, 1824 † accepted as Freneixicardia verrucosa (Deshayes, 1829) † (unaccepted > superseded combination)
    60. Species Cardium (Trachycardium) virile Dall, 1900 † accepted as Trachycardium virile (Dall, 1900) † (unaccepted > superseded combination)
    61. Species Cardium (Trachycardium) waitakiensis Suter, 1907 † accepted as Hedecardium (Hedecardium) waitakiense (Suter, 1907) † represented as Hedecardium waitakiense (Suter, 1917) † (superseded combination)
  311. Subgenus Cardium (Trigoniocardia) Dall, 1900 accepted as Trigoniocardia Dall, 1900 (unaccepted > superseded rank)
    1. Species Cardium (Trigoniocardia) affinis (E. T. Nelson, 1870) † (uncertain > unassessed)
    2. Species Cardium (Trigoniocardia) alicula Dall, 1900 † (uncertain > unassessed)
    3. Species Cardium (Trigoniocardia) carolinae Maury, 1912 † (uncertain > unassessed)
    4. Species Cardium (Trigoniocardia) castum Guppy, 1966 † (uncertain > unassessed)
    5. Species Cardium (Trigoniocardia) deadenense Mansfield, 1932 † (uncertain > unassessed)
    6. Species Cardium (Trigoniocardia) manzanillense Maury, 1925 † (uncertain > unassessed)
    7. Species Cardium (Trigoniocardia) maturense Dall, 1900 † (uncertain > unassessed)
    8. Species Cardium (Trigoniocardia) mirandense Maury, 1925 † (uncertain > unassessed)
    9. Species Cardium (Trigoniocardia) periimeris Maury, 1925 † (uncertain > unassessed)
    10. Species Cardium (Trigoniocardia) aminense Dall, 1900 † accepted as Trigoniocardia aminensis (Dall, 1900) † (unaccepted > superseded combination)
    11. Species Cardium (Trigoniocardia) antillarum A. d'Orbigny, 1853 accepted as Trigoniocardia antillarum (A. d'Orbigny, 1853) (unaccepted > superseded combination)
    12. Species Cardium (Trigoniocardia) apateticum Dall, 1900 † accepted as Trigoniocardia apatetica (Dall, 1900) † (unaccepted > superseded combination)
    13. Species Cardium (Trigoniocardia) hannai Olsson, 1932 † accepted as Trigoniocardia hannai (Olsson, 1932) † (unaccepted > superseded combination)
    14. Species Cardium (Trigoniocardia) simrothi Dall, 1900 † accepted as Trigoniocardia simrothi (Dall, 1900) † (unaccepted > superseded combination)
    15. Species Cardium (Trigoniocardia) willcoxi Dall, 1900 † accepted as Trigoniocardia willcoxi (Dall, 1900) † (unaccepted > superseded combination)
  312. Subgenus Cardium (Tropidocardium) Römer, 1868 accepted as Cardium Linnaeus, 1758 (unaccepted > junior objective synonym)
  313. 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)
    1. Species Cardium (Tulongocardium) pluriradiatum C.-Z. Chen, J.-H. Chen & Z.-M. Zhang, 1976 † accepted as Tulongocardium pluriradiatum (C.-Z. Chen, J.-H. Chen & Z.-M. Zhang, 1976) † (unaccepted > superseded rank)
  314. Species Cardium abichi R. Hoernes, 1874 † accepted as Paradacna abichi (R. Hoernes, 1874) † (unaccepted > superseded combination)
  315. Species Cardium abramovici A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Raricardium konjuschevski (K. A. Ali-Zade, 1932) † (unaccepted > junior subjective synonym)
  316. Species Cardium abreki Uspenskaja, 1931 † accepted as Avicardium abreki (Uspenskaja, 1931) † (unaccepted > superseded combination)
  317. Species Cardium abruptum Gabb, 1860 † accepted as Acanthocardia abrupta (Gabb, 1860) † (unaccepted > superseded combination)
  318. Species Cardium abundans Liverovskaya, 1939 † accepted as Plagiocardium abundans (Liverovskaya, 1939) † (unaccepted > superseded combination)
  319. Species Cardium acardo Deshayes, 1838 † accepted as Arcicardium acardo (Deshayes, 1838) † (unaccepted > superseded combination)
  320. Species Cardium acerbum V. P. Kolesnikov, 1929 † accepted as Obsoletiformes acerbus (V. P. Kolesnikov, 1929) † (unaccepted > superseded combination)
  321. Species Cardium acrocome Dall, 1900 † accepted as Agnocardia acrocome (Dall, 1900) † (unaccepted > superseded combination)
  322. Species Cardium aculcatum Aradas & Benoit, 1872 accepted as Acanthocardia aculeata (Linnaeus, 1758) (unaccepted > misspelling - incorrect subsequent spelling)
  323. Species Cardium aculeatum Linnaeus, 1758 accepted as Acanthocardia aculeata (Linnaeus, 1758) (unaccepted > superseded combination)
  324. Species Cardium acutecostatum A. d'Orbigny, 1841 † accepted as Cardium cleryi Deshayes, 1857 † (unaccepted > misspelling - incorrect subsequent spelling)
  325. Species Cardium acuticostatum A. d'Orbigny, 1841 † accepted as Cardium cleryi Deshayes, 1857 † (unaccepted > junior homonym, invalid: junior homonym of C. acuticostatum Münster, 1834)
  326. Species Cardium acutilaqueatum Conrad, 1839 † accepted as Planicardium acutilaqueatum (Conrad, 1839) † (unaccepted > superseded combination)
  327. Species Cardium adacnoides Cheltsov, 1965 † accepted as Acobaecardium akobae (Cheltsov, 1965) † (subjective synonym)
  328. 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)
  329. Species Cardium adonisi A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) † (unaccepted > junior subjective synonym)
  330. Species Cardium aeolicum Gmelin, 1791 accepted as Lyrocardium aeolicum (Born, 1778)
  331. Species Cardium aeolicum Born, 1778 accepted as Lyrocardium aeolicum (Born, 1778) (unaccepted > superseded combination)
  332. 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)
  333. Species Cardium agassizii Michelotti, 1839 † accepted as Cardiolucina agassizii (Michelotti, 1839) † (original combination)
  334. Species Cardium ainuanum Yokoyama, 1927 † accepted as Clinocardium ainuanum (Yokoyama, 1927) † (unaccepted > superseded combination)
  335. Species Cardium akobae Cheltsov, 1965 † accepted as Acobaecardium akobae (Cheltsov, 1965) † (unaccepted > superseded combination)
  336. Species Cardium aktamense A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra (Andrusov, 1902) † (tentative junior subjective synonym)
  337. Species Cardium aktschagilicum K. A. Ali-Zade, 1941 † accepted as Aktschagylocardium uspenskaiae (V. P. Kolesnikov, 1950) †
  338. Species Cardium alabastrum P. P. Carpenter, 1857 accepted as Trigoniocardia granifera (Broderip & G. B. Sowerby I, 1829) (unaccepted > junior subjective synonym)
  339. Species Cardium albanicum [sic] † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (incorrect subsequent spelling, tentative junior subjective synonym)
  340. Species Cardium albanum A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
  341. Species Cardium alburgense É. Vincent, 1930 † accepted as Loxocardium alburgense (É. Vincent, 1930) † (unaccepted > superseded combination)
  342. 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)
  343. Species Cardium aliforme J. De C. Sowerby, 1827 † accepted as Conocardium aliforme (J. De C. Sowerby, 1827) † (original combination)
  344. Species Cardium alternatum G. B. Sowerby II, 1840 accepted as Vasticardium angulatum (Lamarck, 1819) (unaccepted > junior subjective synonym)
  345. Species Cardium altum Cheltsov, 1965 † accepted as Cerastoderma altum (Cheltsov, 1965) † (unaccepted > superseded combination)
  346. Species Cardium amandum A. A. Ali-Zade, 1967 † accepted as Cerastoderma siphonophorum (Andrusov, 1902) † (unaccepted > junior subjective synonym)
  347. Species Cardium amboinense Gmelin, 1791 accepted as Tucetona pectunculus (Linnaeus, 1758)
  348. Species Cardium ameghinoi Ihering, 1907 † accepted as Patagonicardium ameghinoi (Ihering, 1907) † (unaccepted > superseded combination)
  349. Species Cardium ammoni Rzehak, 1893 † accepted as Limnopagetia ammoni (Rzehak, 1893) † (unaccepted > superseded combination)
  350. Species Cardium anapi A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) † (unaccepted > junior subjective synonym)
  351. Species Cardium andreae Dujardin, 1837 † accepted as Acanthocardia andreae (Dujardin, 1837) † (unaccepted > superseded combination)
  352. Species Cardium andrusovi N. A. Sokolov, 1899 † accepted as Acanthocardia andrusovi (N. A. Sokolov, 1899) † (unaccepted > superseded combination)
  353. Species Cardium angulatum A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) † (tentative junior subjective synonym)
  354. Species Cardium angulatum Lamarck, 1819 accepted as Vasticardium angulatum (Lamarck, 1819) (unaccepted > superseded combination)
  355. Species Cardium anguliferum F. Sandberger, 1863 † accepted as Habecardium cingulatum (Goldfuss, 1837) † (unaccepted > junior subjective synonym, Invalid: junior homonym of Cardium anguliferum Roemer, 1850)
  356. Species Cardium angulosum Deshayes, 1857 † accepted as Plagiodacna angulosa (Deshayes, 1857) † (unaccepted > superseded combination)
  357. Species Cardium angustatum J. Sowerby, 1821 † accepted as Cerastoderma angustatum (J. Sowerby, 1821) † (unaccepted > superseded combination)
  358. Species Cardium angusticostatum L. Rousseau, 1842 † accepted as Stenodacna angusticostata (L. Rousseau, 1842) † (unaccepted > superseded combination)
  359. Species Cardium annae Pilsbry, 1904 accepted as Fulvia mutica (Reeve, 1844) (unaccepted > junior subjective synonym)
  360. Species Cardium antillarum A. d'Orbigny, 1853 accepted as Trigoniocardia antillarum (A. d'Orbigny, 1853) (unaccepted > superseded combination)
  361. Species Cardium antropovi A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
  362. Species Cardium anubis A. A. Ali-Zade, 1967 † accepted as Acobaecardium akobae (Cheltsov, 1965) † (unaccepted > junior subjective synonym)
  363. 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)
  364. 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)
  365. Species Cardium apertum Bruguière, 1789 accepted as Fulvia aperta (Bruguière, 1789) (unaccepted > superseded combination)
  366. Species Cardium aperturatum Deshayes, 1853 † accepted as Bosphoricardium aperturatum (Deshayes, 1853) † (unaccepted > superseded combination)
  367. Species Cardium apicinum (P. P. Carpenter, 1864) accepted as Laevicardium elenense (G. B. Sowerby II, 1840) (unaccepted > junior subjective synonym)
  368. Species Cardium apporectum A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) † (tentative junior subjective synonym)
  369. Species Cardium approbum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
  370. Species Cardium aquilinum Mittre, 1842 accepted as Parvicardium exiguum (Gmelin, 1791) (unaccepted > junior subjective synonym)
  371. Species Cardium aquitanicum Mayer[-Eymar], 1858 † accepted as Lyrocardium aquitanicum (Mayer[-Eymar], 1858) † (unaccepted > superseded combination)
  372. Species Cardium arabica Awad & Ghobrial, 1965 † accepted as Granocardium arabicum (Awad & Ghobrial, 1965) † (unaccepted > superseded combination)
  373. Species Cardium arabicus Issel, 1869 accepted as Afrocardium richardi (Audouin, 1826) (unaccepted > junior subjective synonym)
  374. Species Cardium aradasi Crema, 1903 † accepted as Papillicardium aradasi (Crema, 1903) † (unaccepted > superseded combination)
  375. Species Cardium arbacti A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
  376. Species Cardium arcaeformis Chapman & Crespin, 1934 † accepted as Rotundicardia latissima (Tate, 1886) † (unaccepted > junior subjective synonym)
  377. Species Cardium arcella Dujardin, 1837 † accepted as Cerastoderma arcellum (Dujardin, 1837) † (unaccepted > superseded combination)
  378. 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)
  379. Species Cardium arcuatulum G. B. Sowerby III, 1874 accepted as Fragum mundum (Reeve, 1845) (unaccepted > junior subjective synonym)
  380. Species Cardium arcuatum Montagu, 1803 accepted as Lucinella divaricata (Linnaeus, 1758) (unaccepted > junior subjective synonym)
  381. Species Cardium arenatum P. P. Carpenter, 1857 accepted as Cardium quadragenarium Conrad, 1837 accepted as Dallocardia quadragenaria (Conrad, 1837) (unaccepted > junior subjective synonym)
  382. Species Cardium arenicolum Reeve, 1845 accepted as Cardium maculosum W. Wood, 1815 accepted as Acrosterigma maculosum (W. Wood, 1815) (unaccepted > junior subjective synonym)
  383. Species Cardium argovianum Mayer[-Eymar], 1865 † accepted as Protocardia argoviana (Mayer[-Eymar], 1865) † (original combination)
  384. Species Cardium arguni Uspenskaja, 1931 † accepted as Avicardium kamishense (Uspenskaja, 1931) † (subjective synonym)
  385. Species Cardium argutum A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
  386. Species Cardium aristi A. A. Ali-Zade & Baba-Zade, 1967 † accepted as Cerastoderma altum (Cheltsov, 1965) † (tentative junior subjective synonym)
  387. Species Cardium arpadense M. Hörnes, 1861 † accepted as Lymnocardium arpadense (M. Hörnes, 1861) † (unaccepted > superseded combination)
  388. Species Cardium asaphum A. F. Leanza, 1942 † accepted as Asoella asapha (A. F. Leanza, 1942) † (unaccepted > superseded combination)
  389. Species Cardium asiaticum A. A. Ali-Zade, 1967 † accepted as Cerastoderma dombra vogdti (Andrusov, 1902) † (unaccepted > junior subjective synonym)
  390. 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)
  391. Species Cardium asiaticum Bruguière, 1789 accepted as Vepricardium asiaticum (Bruguière, 1789) (unaccepted > superseded combination)
  392. Species Cardium aspersum G. B. Sowerby I, 1833 accepted as Papyridea aspersa (G. B. Sowerby I, 1833) (unaccepted > superseded combination, original combination)
  393. Species Cardium asperulum Lamarck, 1805 † accepted as Vepricardium asperulum (Lamarck, 1805) † (unaccepted > superseded combination)
  394. Species Cardium assimile Reeve, 1844 accepted as Vasticardium assimile (Reeve, 1844) (unaccepted > superseded combination)
  395. Species Cardium atrocis A. A. Ali-Zade, 1967 † accepted as Miricardium dahestanicum (Uspenskaja, 1931) † (tentative junior subjective synonym)
  396. Species Cardium attenuatum G. B. Sowerby II, 1841 accepted as Acrosterigma attenuatum (G. B. Sowerby II, 1841) (unaccepted > superseded combination)
  397. Species Cardium auingeri T. Fuchs, 1870 † accepted as Plagiodacna auingeri (T. Fuchs, 1870) † (unaccepted > superseded combination)
  398. Species Cardium aurantiacum A. Adams & Reeve, 1850 accepted as Lyrocardium aurantiacum (A. Adams & Reeve, 1850) (unaccepted > superseded combination)
  399. Species Cardium auricula Niebuhr, 1775 accepted as Lunulicardia auricula (Niebuhr, 1775) (unaccepted > superseded combination)
  400. Species Cardium australe G. B. Sowerby II, 1834 accepted as Fulvia australis (G. B. Sowerby II, 1834) (unaccepted > superseded combination)
  401. Species Cardium australiense Reeve, 1844 accepted as Hemidonax australiensis (Reeve, 1844) (original combination)
  402. Species Cardium aventini A. A. Ali-Zade, 1967 † accepted as Miricardium caracutum (Uspenskaja, 1931) † (tentative junior subjective synonym)
  403. Species Cardium aviculare Deshayes, 1829 † accepted as Avicularium lithocardium (Linnaeus, 1771) † (Unjustified emendation of Cardita avicularia Lamarck, 1805)
  404. Species Cardium aviculare Sinzov, 1875 † accepted as Aviculocardium aviculare (Sinzov, 1875) † (unaccepted > superseded combination)
  405. Species Cardium avisanense Fontannes, 1879 † accepted as Procardium avisanense (Fontannes, 1879) † (unaccepted > superseded combination)
  406. Species Cardium azerbajdjanicum K. A. Ali-Zade, 1932 † accepted as Cerastoderma azerbajdjanicum (K. A. Ali-Zade, 1932) † (unaccepted > superseded combination)
  407. Species Cardium baeri Grimm, 1877 accepted as Didacna baeri (Grimm, 1877) (unaccepted > superseded combination)
  408. Species Cardium baericrassum Pavlov, 1925 † accepted as Didacna baericrassa (Pavlov, 1925) † (unaccepted > superseded combination)
  409. Species Cardium bajarunasi V. P. Kolesnikov, 1929 † accepted as Obsoletiformes bajarunasi (V. P. Kolesnikov, 1929) † (unaccepted > superseded combination)
  410. Species Cardium balatonicum T. Fuchs, 1870 † accepted as Pseudocatillus balatonicus (T. Fuchs, 1870) † (unaccepted > superseded combination)
  411. Species Cardium balchanicum A. A. Ali-Zade, 1967 † accepted as Cerastoderma konschini (Andrusov, 1902) † (tentative junior subjective synonym)
  412. Species Cardium banaticum T. Fuchs, 1870 † (unaccepted > superseded combination)
  413. Species Cardium baranowense Hilber, 1882 † (unaccepted > superseded combination)
  414. Species Cardium barbotdemarnii Grimm, 1877 (unaccepted > superseded combination, original combination)
  415. Species Cardium barboti R. Hoernes, 1874 † (unaccepted > superseded combination)
  416. Species Cardium barrandai Mayer-Eymar, 1900 † (unaccepted > misspelling - incorrect subsequent spelling)
  417. Species Cardium barrandei Mayer-Eymar, 1900 † (unaccepted > junior subjective synonym)
  418. Species Cardium bavaricum Ammon, 1888 † (unaccepted > superseded combination)
  419. Species Cardium bayeri Haanstra & Spiker, 1932 † (unaccepted > superseded combination)
  420. Species Cardium bayerni R. Hoernes, 1874 † (unaccepted > superseded combination)
  421. Species Cardium bazini Deshayes, 1858 † (unaccepted > superseded combination)
  422. Species Cardium beaumonti "A. d'Orbigny, 1844" † (unaccepted > junior objective synonym)
  423. Species Cardium beaumontianum "A. d'Orbigny, 1845" † (unaccepted > junior objective synonym)
  424. Species Cardium bechei Reeve, 1847 (unaccepted > superseded combination)
  425. Species Cardium belcheri Broderip & G. B. Sowerby I, 1829 (unaccepted > superseded combination)
  426. Species Cardium belgicum De Malzine, 1867 (unaccepted > junior subjective synonym)
  427. Species Cardium beli A. A. Ali-Zade & Petrova, 1969 † (unaccepted > junior subjective synonym)
  428. Species Cardium bellulum A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
  429. Species Cardium belticum Reeve, 1845 (unaccepted > junior subjective synonym)
  430. Species Cardium belusi A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
  431. Species Cardium bengasiensis Kaltenbach, 1943 (unaccepted > junior subjective synonym)
  432. Species Cardium benoisti Cossmann, 1896 † (unaccepted > superseded combination)
  433. Species Cardium bianconianum Cocconi, 1873 † (unaccepted > superseded combination)
  434. Species Cardium biangulatum Broderip & G. B. Sowerby I, 1829 (unaccepted > superseded combination)
  435. Species Cardium biradiatum Bruguière, 1789 (unaccepted, original combination)
  436. Species Cardium blandum A. A. Gould, 1850 (unaccepted > superseded combination, original combination)
  437. Species Cardium bogatchevi V. P. Kolesnikov, 1929 † (unaccepted, superseded rank and combination)
  438. Species Cardium bollenense Mayer[-Eymar], 1871 † (unaccepted > superseded combination)
  439. Species Cardium bollense [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
  440. Species Cardium bomasense K. Martin, 1917 † (unaccepted > superseded combination)
  441. Species Cardium boreale Reeve, 1845 (unaccepted > junior homonym, non Cardium boreale Broderip & G. B. Sowerby I, 1829)
  442. Species Cardium boreale Broderip & G. B. Sowerby I, 1829 (unaccepted > junior subjective synonym, uncertain synonym)
  443. Species Cardium bouei Deshayes, 1858 † (unaccepted > superseded combination)
  444. Species Cardium bourdoti Cossmann, 1882 † (unaccepted > superseded combination)
  445. Species Cardium bouryi Cossmann, 1886 † (unaccepted > superseded combination)
  446. Species Cardium bozdagiense K. A. Ali-Zade, 1941 † (unaccepted)
  447. Species Cardium brachytonum Suter, 1917 † (unaccepted, superseded combination)
  448. Species Cardium brasilianum Lamarck, 1819 (unaccepted > superseded combination)
  449. Species Cardium braunsi Tokunaga, 1906 † (unaccepted > superseded combination)
  450. Species Cardium brewerii Gabb, 1864 † (unaccepted > superseded combination)
  451. Species Cardium brocchii Mayer[-Eymar], 1866 † (unaccepted > superseded combination)
  452. Species Cardium browni Etheridge, 1902 † (unaccepted > superseded combination)
  453. Species Cardium bruguierei Deshayes, 1857 † (unaccepted)
  454. Species Cardium brunneri Hector, 1886 † (unaccepted, original combination)
  455. Species Cardium brusinai Rzehak, 1893 † (unaccepted > junior subjective synonym)
  456. Species Cardium buelowi Rolle, 1896 (unaccepted > superseded combination, original combination)
  457. Species Cardium bullatum (Linnaeus, 1758) sensu Lamarck, 1819 (unaccepted > misapplication)
  458. Species Cardium bullatum Locard, 1891 (unaccepted > junior homonym, non Cardium bullatum (Linnaeus, 1858) sensu Lamarck, 1819)
  459. Species Cardium bülowi Rolle, 1896 (unaccepted > misspelling - incorrect original spelling)
  460. Species Cardium burchardti Dunker, 1877 (unaccepted > misspelling - incorrect original spelling)
  461. Species Cardium burdigalinum Lamarck, 1819 † (unaccepted, original combination)
  462. Species Cardium burnupi G. B. Sowerby III, 1897 (unaccepted > superseded combination)
  463. Species Cardium calcitrapoides Lamarck, 1805 † (unaccepted, original combination)
  464. Species Cardium californianum Conrad, 1837 (unaccepted > junior subjective synonym)
  465. Species Cardium californiense Deshayes, 1839 (unaccepted > superseded combination)
  466. Species Cardium campechiense Röding, 1798 (unaccepted > junior subjective synonym)
  467. Species Cardium cantuariense Laws, 1933 † (unaccepted, superseded combination)
  468. Species Cardium caparti Nicklès, 1955 (unaccepted > superseded combination)
  469. Species Cardium capsoides Bayan, 1873 † (unaccepted > superseded combination)
  470. Species Cardium caracutum Uspenskaja, 1931 † (unaccepted > superseded combination)
  471. Species Cardium cardissa Linnaeus, 1758 (unaccepted > superseded combination)
  472. Species Cardium carditaeforme Reeve, 1845 (unaccepted > junior subjective synonym)
  473. Species Cardium carinatum Deshayes, 1838 † (unaccepted > junior homonym, non Cardium carinatum Bronn, 1831)
  474. Species Cardium carneosum da Costa, 1779 (unaccepted)
  475. Species Cardium carnuntinum M. Hörnes, 1861 † (unaccepted > superseded combination)
  476. Species Cardium carolinensis Conrad, 1863 † (unaccepted > junior subjective synonym)
  477. Species Cardium carolinum A. d'Orbigny, 1844 † (unaccepted > superseded combination)
  478. Species Cardium carpatinum (Jekelius, 1944) † (unaccepted > superseded combination)
  479. Species Cardium casertanum Poli, 1791 (unaccepted > superseded combination)
  480. Species Cardium caspium A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
  481. Species Cardium castellinense Capellini, 1873 † (unaccepted > superseded combination)
  482. Species Cardium castum Guppy, 1866 † (unaccepted > superseded combination)
  483. Species Cardium caudatum K. A. Ali-Zade, 1941 † (unaccepted)
  484. Species Cardium cazecae Andrusov, 1890 † (unaccepted > superseded combination)
  485. Species Cardium cekusi Gorjanović-Kramberger, 1890 † (unaccepted > superseded combination)
  486. Species Cardium centopleurum Andrusov, 1902 † (unaccepted > superseded combination)
  487. Species Cardium centumliratum Melvill, 1907 (unaccepted > superseded combination)
  488. Species Cardium centumpanium Andrusov, 1911 † (unaccepted > superseded combination)
  489. Species Cardium centumpleurum [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
  490. Species Cardium ceramidum Dall, 1886 (unaccepted > junior subjective synonym)
  491. Species Cardium chartaceum Brusina, 1874 † (unaccepted > superseded combination)
  492. Species Cardium chazaricum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  493. Species Cardium chiae Almera, 1894 † (unaccepted, superseded rank and combination)
  494. Species Cardium chorasanicum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  495. Species Cardium chorezmicum A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
  496. Species Cardium ciliatum O. Fabricius, 1780 (unaccepted > superseded combination)
  497. Species Cardium cingulatum Goldfuss, 1837 † (unaccepted > superseded combination)
  498. Species Cardium citrinum W. Wood, 1815 (unaccepted > junior subjective synonym)
  499. Species Cardium civicum Yokoyama, 1927 † (unaccepted > superseded combination)
  500. Species Cardium clavatum Hilber, 1879 † (unaccepted > superseded combination)
  501. Species Cardium clodiense Brocchi, 1814 (unaccepted > junior subjective synonym)
  502. Species Cardium cochleatum F. A. Quenstedt, 1852 † (unaccepted > superseded combination)
  503. Species Cardium coefiensis Kaltenbach, 1943 (unaccepted > junior subjective synonym)
  504. Species Cardium collineum Buvignier, 1852 † (unaccepted, original combination)
  505. Species Cardium complanatum T. Fuchs, 1870 † (unaccepted > superseded combination)
  506. Species Cardium conjungens M. Hörnes, 1861 † (unaccepted > superseded combination)
  507. Species Cardium consors G. B. Sowerby I, 1833 (unaccepted, original combination)
  508. Species Cardium conspectum Cheltsov, 1965 † (unaccepted > superseded combination)
  509. Species Cardium convexum A. A. Ali-Zade, 1967 † (unaccepted, junior homonym of Cardium convexum Deshayes, 1858, and tentative junior subjective synonym)
  510. Species Cardium convexum Deshayes, 1858 † (unaccepted > superseded combination)
  511. Species Cardium cooperii Gabb, 1864 † (unaccepted > superseded combination)
  512. Species Cardium copiosum Cheltsov, 1965 † (unaccepted, tentative subjective synonym)
  513. Species Cardium corallinum Leymerie, 1846 † (unaccepted)
  514. Species Cardium corallinum Linnaeus, 1758 (unaccepted > superseded combination)
  515. Species Cardium corbis Martyn, 1784 (unaccepted > unavailable name, non-binominal)
  516. Species Cardium corbuloides Deshayes, 1838 † (unaccepted > superseded combination)
  517. Species Cardium coronaensis E. L. Packard, 1922 † (unaccepted > superseded combination)
  518. Species Cardium coronatum Schröter, 1786 (unaccepted > superseded combination)
  519. Species Cardium coronatum L. Spengler, 1799 (unaccepted > junior homonym, non Cardium coronatum Schröter, 1786)
  520. Species Cardium cosmetum Cossmann, 1886 † (unaccepted > superseded combination)
  521. Species Cardium cossmanni G. Vincent, 1882 † (unaccepted > superseded combination)
  522. Species Cardium coxi Hector, 1886 † (unaccepted, original combination)
  523. Species Cardium cracentis A. A. Ali-Zade & Baba-Zade, 1967 † (unaccepted, subjective synonym)
  524. Species Cardium crassatellatum Deshayes, 1838 † (unaccepted > superseded combination)
  525. Species Cardium crassispinosum G. B. Sowerby II, 1834 (unaccepted > junior subjective synonym)
  526. Species Cardium crassum Eichwald, 1829 (unaccepted > junior homonym, invalid: non Cardium crassum Gmelin, 1791; Cardium eichwaldi Krynicki, 1837 is a replacement name)
  527. Species Cardium crassum Gmelin, 1791 (unaccepted, original combination)
  528. Species Cardium craticuloides Conrad, 1845 † (unaccepted > superseded combination)
  529. Species Cardium crenelloides Melvill, 1909 (unaccepted > superseded combination)
  530. Species Cardium crenulatum Lamarck, 1819 (unaccepted > junior subjective synonym)
  531. Species Cardium crenulatum L. Rousseau, 1842 † (unaccepted > junior homonym, non Cardium crenulatum Lamarck, 1819)
  532. Species Cardium cristagalli L. Róth, 1878 † (unaccepted > superseded combination)
  533. Species Cardium cruentatum A. A. Gould, 1855 (unaccepted > junior subjective synonym)
  534. Species Cardium cruentum G. Perry, 1811 (unaccepted > junior subjective synonym)
  535. Species Cardium ctenolium Dall, 1900 † (unaccepted > superseded combination)
  536. Species Cardium cucullatum Goldfuss, 1837 † (unaccepted > superseded combination)
  537. Species Cardium cuculloides Tate, 1886 † (unaccepted > superseded combination)
  538. Species Cardium cucurtense Andrusov, 1902 † (unaccepted, subjective synonym)
  539. Species Cardium cumingii Broderip, 1833 (unaccepted > superseded combination)
  540. Species Cardium cygnorum Deshayes, 1855 (unaccepted > superseded combination)
  541. Species Cardium cypricardioides Capellini, 1880 † (unaccepted > superseded combination)
  542. Species Cardium cyreniforme Buvignier, 1852 † (unaccepted > superseded combination)
  543. Species Cardium cyrense K. A. Ali-Zade, 1941 † (unaccepted)
  544. Species Cardium dahestanicum Uspenskaja, 1931 † (unaccepted > superseded combination)
  545. Species Cardium dalli Heilprin, 1887 † (unaccepted > superseded combination)
  546. Species Cardium danatense A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
  547. Species Cardium danovi V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
  548. Species Cardium danubianum Mayer[-Eymar], 1866 † (unaccepted > superseded combination)
  549. Species Cardium darwini Mayer[-Eymar], 1866 (unaccepted, unnecessary replacement name)
  550. Species Cardium davidaschvilii V. P. Kolesnikov, 1950 † (unaccepted > superseded combination)
  551. Species Cardium daviesi Dey, 1962 † (unaccepted > superseded combination)
  552. Species Cardium dawsoni W. Stimpson, 1862 † (unaccepted > junior subjective synonym, uncertain synonym)
  553. Species Cardium decorticatum S. V. Wood, 1853 † (unaccepted > superseded combination)
  554. Species Cardium decorum T. Fuchs, 1870 † (unaccepted > superseded combination)
  555. Species Cardium decussatum Mantell, 1822 † (unaccepted, original combination)
  556. Species Cardium deformis A. A. Ali-Zade & Petrova, 1969 † (unaccepted, tentative junior subjective synonym)
  557. Species Cardium defrancii Deshayes, 1858 † (unaccepted > superseded combination)
  558. Species Cardium degrangei Cossmann, 1896 † (unaccepted > superseded combination)
  559. Species Cardium dejaeri É. Vincent, 1930 † (unaccepted > junior subjective synonym)
  560. Species Cardium delicatulum E. A. Smith, 1915 (unaccepted > superseded combination)
  561. Species Cardium delpeutum McGill, 1964 (unaccepted > junior subjective synonym)
  562. Species Cardium denisevici A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
  563. Species Cardium denticulatum W. H. Baily, 1855 † (unaccepted > superseded combination)
  564. Species Cardium depressum Deshayes, 1838 † (unaccepted > superseded combination)
  565. Species Cardium descriptum Volkova, 1953 † (unaccepted > superseded combination)
  566. Species Cardium desertum Stoliczka, 1862 † (unaccepted > superseded combination)
  567. Species Cardium deshayesianum Bianconi, 1856 (unaccepted > junior subjective synonym)
  568. Species Cardium deshayesii Payraudeau, 1826 (unaccepted > superseded combination)
  569. Species Cardium desperatum V. P. Kolesnikov, 1929 † (unaccepted > superseded combination)
  570. Species Cardium diluvianum Lamarck, 1819 † (unaccepted > superseded combination)
  571. Species Cardium dimidiatum Goldfuss, 1841 † (unaccepted > superseded combination)
  572. Species Cardium dingdense Lehmann, 1885 † (unaccepted > superseded combination)
  573. Species Cardium dionaeum Broderip & G. B. Sowerby I, 1829 (unaccepted > superseded combination)
  574. Species Cardium discors Lamarck, 1805 † (unaccepted > junior homonym, junior homonym of Cardium discors Montagu, 1803)
  575. Species Cardium discors Montagu, 1803 (unaccepted > junior subjective synonym)
  576. Species Cardium discrepans Basterot, 1825 † (unaccepted > superseded combination)
  577. Species Cardium dissimile J. De C. Sowerby, 1827 † (unaccepted > superseded combination)
  578. Species Cardium diversum Conrad, 1847 † (unaccepted > superseded combination)
  579. Species Cardium djanelidzei Kharatishvili, 1952 † (unaccepted > superseded combination)
  580. Species Cardium dolichum Suter, 1917 † (unaccepted, superseded combination)
  581. Species Cardium dombra Andrusov, 1902 † (unaccepted > superseded combination)
  582. Species Cardium domeykoanum R. A. Philippi, 1887 † (unaccepted > superseded combination)
  583. Species Cardium donaciforme Bruguière, 1789 (unaccepted, original combination)
  584. Species Cardium dongingii Sinzov, 1876 † (unaccepted > superseded combination)
  585. Species Cardium duboisi Mayer[-Eymar], 1856 † (unaccepted > superseded combination)
  586. Species Cardium duboisi Mikhailovski, 1903 † (unaccepted > junior homonym)
  587. Species Cardium dulce Deshayes, 1863 (unaccepted > superseded combination)
  588. Species Cardium dulcinea Dall, 1916 (unaccepted > junior subjective synonym)
  589. Species Cardium dupinianum A. d'Orbigny, 1844 † (unaccepted)
  590. Species Cardium dupuchense Reeve, 1845 (unaccepted > superseded combination)
  591. Species Cardium duregnei Monterosato, 1891 (unaccepted > junior subjective synonym)
  592. Species Cardium dyoniseum Buvignier, 1852 † (unaccepted)
  593. Species Cardium ebaranum Yokoyama, 1927 † (unaccepted > junior subjective synonym)
  594. Species Cardium ebersini V. P. Kolesnikov, 1950 † (unaccepted > junior subjective synonym)
  595. Species Cardium eburniferum Guppy, 1869 (unaccepted > junior subjective synonym)
  596. Species Cardium echinatum Bruguière, 1789 (unaccepted > junior homonym, non Cardium echinatum Linnaeus, 1758)
  597. Species Cardium echinatum Linnaeus, 1758 (unaccepted > superseded combination)
  598. Species Cardium edentula Montagu, 1808 (unaccepted > junior subjective synonym)
  599. Species Cardium edentulum Deshayes, 1838 † (unaccepted > junior homonym, junior homonym of Cardium edentulum Montagu, 1808; Cardium subedentulum is a replacement name)
  600. Species Cardium edentulum Montagu, 1808 (unaccepted > junior subjective synonym)
  601. Species Cardium edesma Almera & Bofill y Poch, 1894 † (unaccepted > superseded combination)
  602. Species Cardium edule Linnaeus, 1758 (unaccepted > superseded combination)
  603. Species Cardium edwardsi Deshayes, 1858 † (unaccepted > superseded combination)
  604. Species Cardium egmontianum Shuttleworth, 1856 (unaccepted > superseded combination)
  605. Species Cardium eichwaldi Reeve, 1845 (unaccepted, synonym)
  606. Species Cardium eichwaldi Krynicki, 1837 (unaccepted > superseded combination, original combination)
  607. Species Cardium eichwaldii Reeve, 1845 (unaccepted > junior subjective synonym)
  608. Species Cardium elatum G. B. Sowerby I, 1833 (unaccepted > superseded combination)
  609. Species Cardium eldaricum V. P. Kolesnikov, 1950 † (unaccepted > junior subjective synonym)
  610. Species Cardium elegantis Steklov, 1955 † (unaccepted > superseded combination)
  611. Species Cardium elegantulum Uspenskaja, 1931 † (unaccepted > junior homonym, junior homonym of Cardium elegantulum Møller, 1842; Cardium uspenskaiae is a replacement name)
  612. Species Cardium elegantulum C. F. Roemer, 1849 † (unaccepted > junior homonym, junior homonym of Cardium elegantulum Møller, 1842; Liopistha elegantulata is a replacement name)
  613. Species Cardium elegantulum Møller, 1842 (unaccepted > superseded combination)
  614. Species Cardium elenense G. B. Sowerby II, 1840 (unaccepted > superseded combination)
  615. Species Cardium elongatum Bruguière, 1789 (unaccepted > superseded combination)
  616. Species Cardium elongatum Montagu, 1803 (unaccepted > junior homonym, non Cardium elongatum Bruguière, 1789)
  617. Species Cardium elongatum J. Sowerby, 1815 † (unaccepted > superseded combination)
  618. Species Cardium emarginatum Deshayes, 1829 † (unaccepted)
  619. Species Cardium emarginatum Deshayes, 1838 † (unaccepted > junior homonym, junior homonym of Cardium emarginatum Deshayes, 1829; Cardium aperturatum is a replacement name)
  620. Species Cardium enode G. B. Sowerby II, 1840 (unaccepted > superseded combination)
  621. Species Cardium erinaceum Lamarck, 1819 (unaccepted > junior subjective synonym)
  622. Species Cardium erinaceus (unaccepted > misspelling - incorrect subsequent spelling, lapsus calami)
  623. Species Cardium erugatum Tate, 1889 (unaccepted > superseded combination)
  624. Species Cardium eugenense B. L. Clark, 1925 † (unaccepted > superseded combination)
  625. Species Cardium euglyptum G. B. Sowerby III, 1914 (unaccepted > junior subjective synonym)
  626. Species Cardium euroum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  627. Species Cardium euryti A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  628. Species Cardium eversum Conrad, 1847 † (unaccepted > superseded combination)
  629. Species Cardium exasperatum G. B. Sowerby II, 1839 (unaccepted > superseded combination)
  630. Species Cardium exiguum Gmelin, 1791 (unaccepted > superseded combination)
  631. Species Cardium exile Dunker, 1861 (unaccepted > junior subjective synonym)
  632. Species Cardium exstriatulum Sacco, 1899 (unaccepted > junior subjective synonym)
  633. Species Cardium fabricii Deshayes, 1855 (unaccepted > junior subjective synonym, uncertain synonym)
  634. Species Cardium facetum Suter, 1917 † (unaccepted, superseded combination)
  635. Species Cardium fasciatum Montagu, 1808 (unaccepted > junior homonym, non Cardium fasciatum Gmelin, 1791)
  636. Species Cardium fasciatum Gmelin, 1791 (unaccepted > junior subjective synonym)
  637. Species Cardium fasetum Zhizhchenko, 1936 † (unaccepted > junior subjective synonym)
  638. Species Cardium fastosum Yokoyama, 1927 † (unaccepted > superseded combination)
  639. Species Cardium faustulum Barrande, 1881 † (unaccepted, subjective synonym)
  640. Species Cardium faustum Barrande, 1881 † (unaccepted > superseded combination)
  641. Species Cardium fedrighinii Capellini, 1879 † (unaccepted > superseded combination)
  642. Species Cardium ferrugineum Brusina, 1874 † (unaccepted > superseded combination)
  643. Species Cardium ferruginosum Reeve, 1845 (unaccepted > junior subjective synonym)
  644. Species Cardium festivum Deshayes, 1855 (unaccepted > superseded combination)
  645. Species Cardium fimbriatum Lamarck, 1819 (unaccepted > junior homonym, non Cardium fimbriatum W. Wood, 1815)
  646. Species Cardium fimbriatum W. Wood, 1815 (unaccepted > junior subjective synonym)
  647. Species Cardium finitima Grishkevich, 1961 † (unaccepted > superseded combination)
  648. Species Cardium fischerianum Doenging, 1852 † (unaccepted > superseded combination)
  649. Species Cardium fischeriformis A. Papp, 1954 † (unaccepted > superseded combination)
  650. Species Cardium fittoni A. d'Orbigny, 1845 † (unaccepted > superseded combination)
  651. Species Cardium flavum Linnaeus, 1758 (unaccepted > superseded combination)
  652. Species Cardium flexuosum Gmelin, 1791 (unaccepted > junior subjective synonym)
  653. Species Cardium floridanum Heilprin, 1886 † (unaccepted > junior subjective synonym)
  654. Species Cardium formidolosum A. A. Ali-Zade, 1967 † (unaccepted, tentative junior subjective synonym)
  655. Species Cardium formosum Deshayes, 1858 † (unaccepted, original combination)
  656. Species Cardium fornasinianum Bianconi, 1856 (unaccepted > junior subjective synonym)
  657. Species Cardium fornicatum A. A. Ali-Zade, 1967 † (unaccepted > junior subjective synonym)
  658. Species Cardium fornicatum G. B. Sowerby II, 1840 (unaccepted > superseded combination)
  659. Species Cardium foveolatum G. B. Sowerby II, 1840 sensu Reeve, 1845 (unaccepted > misapplication)
  660. Species Cardium fragile Reeve, 1845 (unaccepted > junior homonym, non Cardium fragile Forsskål in Niebuhr, 1775)
  661. Species Cardium fragile Forsskål, 1775 (unaccepted > superseded combination)
  662. Species Cardium fragile Brocchi, 1814 † (unaccepted > junior homonym, non Cardium fragile Forsskål, 1775)
  663. Species Cardium fragosum A. A. Ali-Zade, 1967 † (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  PDF available [request]
MolluscaBase eds. (2025). MolluscaBase. Cardium Linnaeus, 1758. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=137734 on 2026-03-07
Date
action
by
2004-12-21 15:54:05Z
created
Gofas, Serge
2009-01-22 08:46:58Z
changed
ter Poorten, Jan Johan
2009-02-01 10:41:42Z
changed
ter Poorten, Jan Johan
2014-11-11 18:14:59Z
changed
ter Poorten, Jan Johan
2018-09-26 05:55:17Z
changed
ter Poorten, Jan Johan
2021-09-24 05:52:39Z
changed
ter Poorten, Jan Johan
2024-09-16 12:39:14Z
changed
ter Poorten, Jan Johan

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


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  PDF available [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] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
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