1. Species Cardium (Trachycardium) beauforti Prashad, 1932 accepted as Acrosterigma impolitum (G. B. Sowerby II, 1834) (unaccepted > junior subjective synonym)
2. Species Cardium (Trachycardium) bowdenense Dall, 1900 † accepted as Dallocardia bowdenensis (Dall, 1900) † (unaccepted > superseded combination)
3. Species Cardium (Trachycardium) cantuariense Laws, 1933 † accepted as Hedecardium cantuariense (Laws, 1933) † (superseded combination)
4. Species Cardium (Trachycardium) cinderellae Maury, 1917 † accepted as Agnocardia cinderellae (Maury, 1917) † (unaccepted > superseded combination)
5. Species Cardium (Trachycardium) claibornensis Aldrich, 1911 † accepted as Agnocardia claibornensis (Aldrich, 1911) † (unaccepted > superseded combination)
6. Species Cardium (Trachycardium) consors G. B. Sowerby I, 1833 accepted as Trachycardium consors (G. B. Sowerby I, 1833) (unaccepted > superseded rank)
7. Species Cardium (Trachycardium) declive Gabb, 1881 † accepted as Acrosterigma declive (Gabb, 1881) † (unaccepted > superseded combination)
8. Species Cardium (Trachycardium) dianthinum Melvill & Standen, 1899 accepted as Acrosterigma dianthinum (Melvill & Standen, 1899) (unaccepted > superseded combination, basionym)
9. Species Cardium (Trachycardium) dominicanum Dall, 1900 † accepted as Mexicardia dominicana (Dall, 1900) † (unaccepted > superseded combination)
10. Species Cardium (Trachycardium) emmonsi Conrad, 1867 † accepted as Trachycardium emmonsi (Conrad, 1867) † (unaccepted > superseded combination)
11. Species Cardium (Trachycardium) evergladeensis Mansfield, 1931 † accepted as Trachycardium evergladeense (Mansfield, 1931) † (unaccepted > superseded combination)
12. Species Cardium (Trachycardium) gallicum Mayer, 1866 † accepted as Habecardium gallicum (Mayer, 1866) † (unaccepted > superseded combination)
13. Species Cardium (Trachycardium) hornelli Tomlin, 1928 accepted as Acrosterigma pristipleura (Dall, 1901) (unnecessary replacement name for C. maculatum G.B. Sowerby II, 1840)
14. Species Cardium (Trachycardium) hulshofi Pannekoek, 1936 † accepted as Freneixicardia victor (Angas, 1872) (unaccepted > junior subjective synonym)
15. Species Cardium (Trachycardium) infantule Nomura & Zinbo, 1934 † accepted as Afrocardium exochum (Melvill, 1907) (unaccepted > junior subjective synonym)
16. Species Cardium (Trachycardium) isocardia Linnaeus, 1758 accepted as Trachycardium isocardia (Linnaeus, 1758) (unaccepted > superseded rank)
17. Species Cardium (Trachycardium) kenyanum L. R. Cox, 1930 † accepted as Vasticardium kenyanum (L. R. Cox, 1930) † (unaccepted > superseded combination)
18. Species Cardium (Trachycardium) laddi Abrard, 1947 † accepted as Cardium (Trachycardium) sewelli Prashad, 1932 accepted as Vasticardium sewelli (Prashad, 1932) (unaccepted > junior subjective synonym)
19. Species Cardium (Trachycardium) lingualeonis Guppy, 1866 † accepted as Phlogocardia lingualeonis (Guppy, 1866) † (unaccepted > superseded combination)
20. Species Cardium (Trachycardium) machapooriensis Maury, 1925 † accepted as Agnocardia machapooriensis (Maury, 1925) † (unaccepted > superseded combination)
21. Species Cardium (Trachycardium) moloti Staadt, 1913 † accepted as Orthocardium moloti (Staadt, 1913) † (unaccepted > superseded combination)
22. Species Cardium (Trachycardium) multicostatum Brocchi, 1814 † accepted as Europicardium multicostatum (Brocchi, 1814) † (unaccepted > superseded combination)
23. Species Cardium (Trachycardium) muricatum Linnaeus, 1758 accepted as Dallocardia muricata (Linnaeus, 1758) (unaccepted > superseded combination)
24. Species Cardium (Trachycardium) oedalium Dall, 1900 † accepted as Trachycardium oedalium (Dall, 1900) † (unaccepted > superseded combination)
25. Species Cardium (Trachycardium) parile Dall, 1900 † accepted as Trachycardium parile (Dall, 1900) † (unaccepted > superseded combination)
26. 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)
27. Species Cardium (Trachycardium) polycolpatum Cossmann & Peyrot, 1912 † accepted as Europicardium polycolpatum (Cossmann & Peyrot, 1912) † (unaccepted > superseded combination)
28. Species Cardium (Trachycardium) pristipleura Dall, 1901 accepted as Acrosterigma pristipleura (Dall, 1901) (unaccepted > superseded combination)
29. Species Cardium (Trachycardium) pseudoangulatum Bülow, 1905 accepted as Cardium philippinense Hedley, 1899 accepted as Vasticardium philippinense (Hedley, 1899) (unaccepted > junior subjective synonym)
30. Species Cardium (Trachycardium) sedanense Pannekoek, 1936 † accepted as Trachycardium sedanense (Pannekoek, 1936) † (unaccepted > superseded combination)
31. Species Cardium (Trachycardium) serricostatum Melvill & Standen, 1899 accepted as Vasticardium serricostatum (Melvill & Standen, 1899) (unaccepted > superseded combination)
32. Species Cardium (Trachycardium) sewelli Prashad, 1932 accepted as Vasticardium sewelli (Prashad, 1932) (unaccepted > superseded combination)
33. Species Cardium (Trachycardium) sokkohense K. Martin, 1917 † accepted as Trachycardium sokkohense (K. Martin, 1917) † (unaccepted > superseded combination)
34. Species Cardium (Trachycardium) spolongense K. Martin, 1917 † accepted as Trachycardium spolongense (K. Martin, 1917) † (unaccepted > superseded combination)
35. Species Cardium (Trachycardium) stilpnaulax Cossmann, 1886 † accepted as Orthocardium stilpnaulax (Cossmann, 1886) † (unaccepted > superseded rank)
36. Species Cardium (Trachycardium) stiriatum A. P. Brown & Pilsbry, 1911 † accepted as Phlogocardia stiriata (A. P. Brown & Pilsbry, 1911) † (unaccepted > superseded combination)
37. Species Cardium (Trachycardium) subelongatum G. B. Sowerby II, 1840 accepted as Cardium subelongatum G. B. Sowerby II, 1840 accepted as Acrosterigma magnum (Linnaeus, 1758)
38. Species Cardium (Trachycardium) transcendens Melvill & Standen, 1899 accepted as Acrosterigma transcendens (Melvill & Standen, 1899) (unaccepted > superseded combination)
39. Species Cardium (Trachycardium) verrucosum Deshayes, 1824 † accepted as Freneixicardia verrucosa (Deshayes, 1829) † (unaccepted > superseded combination)
40. Species Cardium (Trachycardium) virile Dall, 1900 † accepted as Trachycardium virile (Dall, 1900) † (unaccepted > superseded combination)
41. Species Cardium (Trachycardium) waitakiensis Suter, 1907 † accepted as Hedecardium (Hedecardium) waitakiense (Suter, 1907) † represented as Hedecardium waitakiense (Suter, 1917) † (superseded combination)
42. Species Cardium (Trachycardium) biarmatum O. Boettger, 1883 † (uncertain > unassessed)
43. Species Cardium (Trachycardium) callopleurum Gabb, 1881 † (uncertain > unassessed)
44. Species Cardium (Trachycardium) caroniense Maury, 1925 † (uncertain > unassessed)
45. Species Cardium (Trachycardium) cestum Dall, 1900 † (uncertain > unassessed)
46. Species Cardium (Trachycardium) couvense Maury, 1925 † (uncertain > unassessed)
47. Species Cardium (Trachycardium) delphicum Dall, 1900 † (uncertain > unassessed)
48. Species Cardium (Trachycardium) dominicense Gabb, 1873 † (uncertain > unassessed)
49. Species Cardium (Trachycardium) eufaulense Conrad, 1860 † (uncertain > unassessed)
50. Species Cardium (Trachycardium) inconspicuum Guppy, 1866 † (uncertain > unassessed)
51. Species Cardium (Trachycardium) malacum Dall, 1900 † (uncertain > unassessed)
52. Species Cardium (Trachycardium) mayereymari P. Oppenheim, 1906 † (uncertain > unassessed)
53. Species Cardium (Trachycardium) niasense O. Boettger, 1883 † (uncertain > unassessed)
54. Species Cardium (Trachycardium) peruvianum Spieker, 1922 † (uncertain > unassessed)
55. Species Cardium (Trachycardium) precursor Dall, 1900 † (uncertain > unassessed)
56. Species Cardium (Trachycardium) sanctidavidis Maury, 1925 † (uncertain > unassessed)
57. Species Cardium (Trachycardium) tamanense Maury, 1925 † (uncertain > unassessed)
58. Species Cardium (Trachycardium) venadense Maury, 1925 † (uncertain > unassessed)
59. Species Cardium (Trachycardium) zorritensis Spieker, 1922 † (uncertain > unassessed)

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