1. Genus Acar J. E. Gray, 1857
2. Genus Anadara J. E. Gray, 1847
3. Genus Arca Linnaeus, 1758
4. Genus Asperarca Sacco, 1898
5. Genus Barbatia J. E. Gray, 1842
6. Genus Bathyarca Kobelt, 1891
7. Genus Bentharca A. E. Verrill & K. J. Bush, 1898
8. Genus Calloarca J. E. Gray, 1857
9. Genus Deltaodon Barnard, 1962
10. Genus Destacar Iredale, 1936
11. Genus Fugleria Reinhart, 1937
12. Genus Hawaiarca Dall, Bartsch & Rehder, 1938
13. Genus Lamarcka Vermeij & Amano, 2021
14. Genus Larkinia Reinhart, 1935
15. Genus Litharca Gray, 1842
16. Genus Lunarca J. E. Gray, 1842
17. Genus Mabellarca Iredale, 1939
18. Genus Mesocibota Iredale, 1939
19. Genus Mimarcaria Iredale, 1939
20. Genus Miratacar Iredale, 1939
21. Genus Mosambicarca Lutaenko, 1994
22. Genus Paranadara Francisco, J. Barros & S. Lima, 2012
23. Genus Samacar Iredale, 1936
24. Genus Scaphula W. H. Benson, 1834
25. Genus Senilia Gray, 1842
26. Genus Tegillarca Iredale, 1939
27. Genus Tetrarca F. Nordsieck, 1969
28. Genus Trisidos Röding, 1798
29. Genus Xenophorarca M. Huber, 2010
30. Genus Abarbatia Dall, Bartsch & Rehder, 1938 accepted as Barbatia J. E. Gray, 1842 (unaccepted > junior subjective synonym)
31. Genus Anomalocardia Mörch, 1853 accepted as Tegillarca Iredale, 1939 (Invalid: junior homonym of Anomalocardia Schumacher, 1817)
32. Genus Argina J. E. Gray, 1842 accepted as Lunarca J. E. Gray, 1842 (Invalid: junior homonym of Argina Hübner, 1816 [Lepidoptera]; Arginarca is a replacement name)
33. Genus Arginarca R. A. McLean, 1951 accepted as Lunarca J. E. Gray, 1842 (synonym)
34. Genus Byssoarca Swainson, 1833 accepted as Arca Linnaeus, 1758 (unaccepted > junior objective synonym)
35. Genus Caloosarca Olsson, 1961 accepted as Anadara J. E. Gray, 1847 (synonym)
36. Genus Cara J. E. Gray, 1857 accepted as Anadara J. E. Gray, 1847 (unaccepted > junior subjective synonym)
37. Genus Cibota Mörch, 1853 accepted as Arca Linnaeus, 1758 (Invalid: junior objective synonym of Arca)
38. Genus Coraliarca Habe & Okutani, 1968 accepted as Calloarca J. E. Gray, 1857 (junior subjective synonym)
39. Genus Cunearca Dall, 1898 accepted as Anadara (Cunearca) Dall, 1898 represented as Anadara J. E. Gray, 1847 (unaccepted > superseded rank)
40. Genus Diluvarca Woodring, 1925 accepted as Anadara (Diluvarca) Woodring, 1925 † accepted as Anadara J. E. Gray, 1847
41. Genus Epitrisis Iredale, 1939 accepted as Trisidos Röding, 1798 (synonym)
42. Genus Esmerarca Olsson, 1961 accepted as Anadara J. E. Gray, 1847 (synonym)
43. Genus Grandiarca Olsson, 1961 accepted as Larkinia Reinhart, 1935 (synonym)
44. Genus Imparilarca Iredale, 1929 accepted as Anadara (Imparilarca) Iredale, 1929 represented as Anadara J. E. Gray, 1847
45. Genus Microcucullaea Iredale, 1929 accepted as Bathyarca Kobelt, 1891 (unaccepted > junior subjective synonym)
46. Genus Opularca Iredale, 1939 accepted as Calloarca J. E. Gray, 1857 (synonym)
47. Genus Paragrammatodon Nomura & Niino, 1940 accepted as Samacar Iredale, 1936 (synonym)
48. Genus Parallelepipedum Mörch, 1850 accepted as Trisidos Röding, 1798
49. Genus Parallepipedum Jousseaume, 1888 accepted as Trisidos Röding, 1798 (unjustified emendation of Parallelepipedum)
50. Genus Potiarca Iredale, 1939 accepted as Anadara (Potiarca) Iredale, 1939 represented as Anadara J. E. Gray, 1847
51. Genus Pseudoporterius Kamenev, 2007 accepted as Samacar Iredale, 1936
52. Genus Rasia J. E. Gray, 1857 accepted as Anadara J. E. Gray, 1847 (unaccepted > junior subjective synonym)
53. Genus Scapharca J. E. Gray, 1847 accepted as Anadara (Scapharca) J. E. Gray, 1847 represented as Anadara J. E. Gray, 1847 (unaccepted > superseded rank)
54. Genus Scapharcopsis F. Nordsieck, 1969 accepted as Anadara (Diluvarca) Woodring, 1925 † accepted as Anadara J. E. Gray, 1847 (unaccepted > junior subjective synonym)
55. Genus Sectiarca Olsson, 1961 accepted as Anadara J. E. Gray, 1847 (unaccepted > junior subjective synonym)
56. Genus Ustularca Iredale, 1939 accepted as Barbatia J. E. Gray, 1842 (junior subjective synonym)
57. Genus Vitracar Iredale, 1939 accepted as Hawaiarca Dall, Bartsch & Rehder, 1938
58. Subfamily Anadarinae Reinhart, 1935 represented as Arcidae Lamarck, 1809
59. Subfamily Arcinae Lamarck, 1809 represented as Arcidae Lamarck, 1809
60. Subfamily Bathyarcinae Scarlato & Starobogatov, 1979 represented as Arcidae Lamarck, 1809
61. Subfamily Litharcinae Frizzell, 1946 represented as Arcidae Lamarck, 1809
62. Subfamily Scaphulinae Scarlato & Starobogatov, 1979 represented as Arcidae Lamarck, 1809

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