1. Species Mesodesma arctatum (Conrad, 1831)
2. Species Mesodesma deauratum (W. Turton, 1822)
3. Species Mesodesma donacium (Lamarck, 1818)
4. Subgenus Mesodesma (Donacilla) R. A. Philippi, 1836 accepted as Donacilla R. A. Philippi, 1836 (unaccepted > superseded rank)
5. Subgenus Mesodesma (Paphia) Lamarck, 1799 accepted as Atactodea Dall, 1895
   1. Species Mesodesma (Paphia) bahreinense Melvill & Standen, 1907 accepted as Atactodea subobtusa (Jousseaume, 1895)
6. Subgenus Mesodesma (Regterenia) Rooij-Schuiling, 1972 accepted as Regterenia Rooij-Schuiling, 1972 (superseded combination)
7. Species Mesodesma aequilatera Römer, 1862 accepted as Coecella horsfieldii Gray, 1853
8. Species Mesodesma altenai de Rooij-Schuiling, 1972 accepted as Paphies altenai (de Rooij-Schuiling, 1972)
9. Species Mesodesma angula Reeve, 1854 accepted as Paphies angula (Reeve, 1854)
10. Species Mesodesma angusta Reeve, 1854 accepted as Paphies elongata (Reeve, 1854)
11. Species Mesodesma anodontina Römer, 1862 accepted as Mesodesma deauratum (W. Turton, 1822)
12. Species Mesodesma arechavalettoi Pilsbry, 1897 accepted as Amarilladesma mactroides (Reeve, 1854)
13. Species Mesodesma aucklandicum E von Martens, 1879 accepted as Paphies australis (Gmelin, 1791) (junior subjective synonym)
14. Species Mesodesma bahreinense Melvill & Standen, 1907 accepted as Atactodea subobtusa (Jousseaume, 1895)
15. Species Mesodesma chemnitzii Deshayes, 1832 accepted as Paphies australis (Gmelin, 1791) (junior objective synonym)
16. Species Mesodesma concentrica Holmes, 1858 accepted as Ervilia nitens (Montagu, 1808)
17. Species Mesodesma crassula Reeve, 1854 accepted as Davila plana (Hanley, 1843)
18. Species Mesodesma cuneata Potiez & Michaud, 1844 accepted as Mesodesma donacium (Lamarck, 1818)
19. Species Mesodesma cuneata (Lamarck, 1818) sensu Hanley, 1842 accepted as Paphies subtriangulata (W. Wood, 1828) (misapplication)
20. Species Mesodesma diemensis Quoy & Gaimard, 1835 accepted as Atactodea erycinaea (Lamarck, 1818)
21. Species Mesodesma donacilla (Lamarck, 1818) accepted as Donacilla cornea (Poli, 1791)
22. Species Mesodesma elongata Reeve, 1854 accepted as Paphies elongata (Reeve, 1854)
23. Species Mesodesma elongata Locard, 1891 accepted as Donacilla cornea (Poli, 1791) (synonym)
24. Species Mesodesma exiguum Lovén, 1846 accepted as Kurtiella bidentata (Montagu, 1803) (synonym)
25. Species Mesodesma gaymardi Deshayes, 1832 accepted as Atactodea cuneata (Lamarck, 1818)
26. Species Mesodesma glabrata (Gmelin, 1791) accepted as Atactodea glabrata (Gmelin, 1791) accepted as Atactodea striata (Gmelin, 1791)
27. Species Mesodesma glabrum [sic] accepted as Atactodea glabrata (Gmelin, 1791) accepted as Atactodea striata (Gmelin, 1791) (Lapsus calami for Mesodesma glabrata?)
28. Species Mesodesma heterodon Reeve, 1854 accepted as Atactodea heterodon (Reeve, 1854)
29. Species Mesodesma intermedia Reeve, 1854 accepted as Atactodea striata (Gmelin, 1791)
30. Species Mesodesma jauresii De Joannis, 1834 accepted as Mesodesma deauratum (W. Turton, 1822)
31. Species Mesodesma lanceolata Reeve, 1854 accepted as Mesodesma donacium (Lamarck, 1818)
32. Species Mesodesma lata Deshayes, 1843 accepted as Paphies donacina (Spengler, 1793) (junior subjective synonym)
33. Species Mesodesma layardi Reeve, 1854 accepted as Atactodea layardi (Reeve, 1854)
34. Species Mesodesma macrodon Reeve, 1854 accepted as Atactodea striata (Gmelin, 1791)
35. Species Mesodesma mactroides Reeve, 1854 accepted as Amarilladesma mactroides (Reeve, 1854)
36. Species Mesodesma mitis Reeve, 1854 accepted as Atactodea striata (Gmelin, 1791)
37. Species Mesodesma munda A. Gould, 1850 accepted as Davila plana (Hanley, 1843)
38. Species Mesodesma nitida Reeve, 1854 accepted as Paphies elongata (Reeve, 1854)
39. Species Mesodesma obtusa Crosse & P. Fischer, 1864 accepted as Atactodea cuneata (Lamarck, 1818)
40. Species Mesodesma ornata J. E. Gray, 1833 accepted as Crassatina ornata (J. E. Gray, 1833) (unaccepted > superseded combination)
41. Species Mesodesma ovalis Reeve, 1854 accepted as Paphies australis (Gmelin, 1791) (junior subjective synonym)
42. Species Mesodesma plana Hanley, 1843 accepted as Davila plana (Hanley, 1843)
43. Species Mesodesma praecisa Reeve, 1854 accepted as Atactodea cuneata (Lamarck, 1818)
44. Species Mesodesma quoyii Deshayes, 1832 accepted as Paphies donacina (Spengler, 1793) (junior subjective synonym)
45. Species Mesodesma reentsii Römer, 1862 accepted as Paphies subtriangulata (W. Wood, 1828) (junior subjective synonym)
46. Species Mesodesma rubrotincta A. Gould, 1857 accepted as Semele pulchra (G. B. Sowerby I, 1833) (doubtful synonym)
47. Species Mesodesma savignyi Jousseaume, 1888 accepted as Atactodea striata (Gmelin, 1791)
48. Species Mesodesma spissa Reeve, 1854 accepted as Paphies subtriangulata (W. Wood, 1828) (junior subjective synonym)
49. Species Mesodesma striatum (Gmelin, 1791) accepted as Atactodea striata (Gmelin, 1791)
50. Species Mesodesma subobtusa Jousseaume, 1895 accepted as Atactodea subobtusa (Jousseaume, 1895)
51. Species Mesodesma subtriangulatum (W. Wood, 1828) accepted as Paphies subtriangulata (W. Wood, 1828) (unaccepted > superseded combination)
52. Species Mesodesma sulcata Reeve, 1854 accepted as Atactodea striata (Gmelin, 1791)
53. Species Mesodesma transversa Reeve, 1854 accepted as Donacilla cornea (Poli, 1791)
54. Species Mesodesma trigona Deshayes, 1832 accepted as Atactodea striata (Gmelin, 1791)
55. Species Mesodesma triquetrum Hanley, 1843 accepted as Anapella cycladea (Lamarck, 1818)
56. Species Mesodesma ventricosa Gray, 1843 accepted as Paphies ventricosa (Gray, 1843)
57. Subgenus Mesodesma (Ceronia) J. E. Gray, 1853 represented as Mesodesma Deshayes, 1832
    1. Species Mesodesma (Ceronia) deauratum (W. Turton, 1822) represented as Mesodesma deauratum (W. Turton, 1822)
58. Subgenus Mesodesma (Mesodesma) Deshayes, 1832 represented as Mesodesma Deshayes, 1832
59. Species Mesodesma retusa Reeve, 1854 (uncertain > taxon inquirendum)

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