1. 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 superseded combination)
2. Species Cardium (Fragum) centumliratum Melvill, 1907 accepted as Frigidocardium centumliratum (Melvill, 1907) (unaccepted > superseded combination)
3. Species Cardium (Fragum) crenelloides Melvill, 1909 accepted as Cardium crenelloides Melvill, 1909 accepted as Afrocardium richardi (Audouin, 1826) (unaccepted > junior subjective synonym)
4. Species Cardium (Fragum) dolichum Suter, 1917 † accepted as Procardia dolicha (Suter, 1917) † (superseded combination)
5. Species Cardium (Fragum) elattocostatum Woodring, 1925 † accepted as Cardium guppyi Thiele, 1910 accepted as Americardia guppyi (Thiele, 1910) (unaccepted > junior subjective synonym)
6. Species Cardium (Fragum) eos Kuroda, 1929 accepted as Frigidocardium eos (Kuroda, 1929) (unaccepted > superseded combination)
7. Species Cardium (Fragum) javanum Wanner & Hahn, 1935 † accepted as Fragum javanum (Wanner & Hahn, 1935) † (unaccepted > superseded combination)
8. Species Cardium (Fragum) maorinum Suter, 1917 † accepted as Procardia dolicha (Suter, 1917) † (junior subjective synonym)
9. Species Cardium (Fragum) medium Linnaeus, 1758 accepted as Americardia media (Linnaeus, 1758) (unaccepted > superseded combination)
10. Species Cardium (Fragum) priscum Suter, 1917 † accepted as Hedecardium brunneri (Hector, 1886) † (junior subjective synonym)
11. Species Cardium (Fragum) roseolum Melvill, 1909 accepted as Afrocardium richardi (Audouin, 1826) (unaccepted > junior subjective synonym)
12. Species Cardium (Fragum) rubescens E. A. Smith, 1911 accepted as Afrocardium richardi (Audouin, 1826) (unaccepted > junior subjective synonym)
13. Species Cardium (Fragum) simillimum E. A. Smith, 1896 accepted as Microcardium simillimum (E. A. Smith, 1896) (unaccepted > superseded combination)
14. Species Cardium (Fragum) torresi E. A. Smith, 1885 accepted as Frigidocardium torresi (E. A. Smith, 1885) (unaccepted > superseded combination)
15. Species Cardium (Fragum) haitense G. B. Sowerby I, 1850 † represented as Cardium haitense G. B. Sowerby I, 1850 †

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