1. Genus Actinonaias Crosse & P. Fischer, 1894
2. Genus Arotonaias E. von Martens, 1900
3. Genus Atlanticoncha C. H. Smith, J. M. Pfeiffer & N. A. Johnson, 2020
4. Genus Cambarunio Watters, 2018
5. Genus Cyprogenia Agassiz, 1852
6. Genus Cyrtonaias Crosse & P. Fischer, 1894
7. Genus Delphinonaias Crosse & P. Fischer, 1894
8. Genus Disconaias Crosse & P. Fischer, 1894
9. Genus Dromus C. T. Simpson, 1900
10. Genus Ellipsaria Rafinesque, 1820
11. Genus Epioblasma Rafinesque, 1831
12. Genus Friersonia Ortmann, 1912
13. Genus Glebula Conrad, 1853
14. Genus Hamiota Roe & Hartfield, 2005
15. Genus Lampsilis Rafinesque, 1820
16. Genus Leaunio Watters, 2018
17. Genus Lemiox Rafinesque, 1831
18. Genus Lenelliptio C. M. Kolesnikov, 1980 †
19. Genus Ligumia Swainson, 1840
20. Genus Medionidus C. T. Simpson, 1900
21. Genus Obliquaria Rafinesque, 1820
22. Genus Obovaria Rafinesque, 1819
23. Genus Ortmanniana Frierson, 1927
24. Genus Pachynaias Crosse & P. Fischer, 1894
25. Genus Paetulunio Watters, 2018
26. Genus Potamilus Rafinesque, 1818
27. Genus Ptychobranchus C. T. Simpson, 1900
28. Genus Sagittunio Watters, 2018
29. Genus Toxolasma Rafinesque, 1831
30. Genus Truncilla Rafinesque, 1819
31. Genus Venustaconcha Frierson, 1927
32. Genus Villosa Frierson, 1927
33. Genus Aeglia Swainson, 1840 accepted as Lampsilis Rafinesque, 1820 (unaccepted > junior objective synonym)
34. Genus Amygdalonaias Crosse & P. Fischer, 1894 accepted as Truncilla Rafinesque, 1819
35. Genus Amygdalonajas Crosse & P. Fischer, 1894 accepted as Truncilla Rafinesque, 1819
36. Genus Capsaeformis Frierson, 1927 accepted as Epioblasma Rafinesque, 1831
37. Genus Carunculina C. T. Simpson, 1898 accepted as Toxolasma Rafinesque, 1831 (unaccepted > junior subjective synonym)
38. Genus Conchodromus F. Haas, 1930 accepted as Dromus C. T. Simpson, 1900 (junior synonym)
39. Genus Conradilla Ortmann, 1921 accepted as Lemiox Rafinesque, 1831
40. Genus Corunculina C. T. Simpson, 1898 accepted as Carunculina C. T. Simpson, 1898 accepted as Toxolasma Rafinesque, 1831 (unaccepted > misspelling - incorrect original spelling, corrected in errata)
41. Genus Crenodonta Schlüter, 1838 accepted as Ellipsaria Rafinesque, 1820
42. Genus Dromas Lindahl, 1906 accepted as Dromus C. T. Simpson, 1900
43. Genus Dysnomia Agassiz, 1852 accepted as Epioblasma Rafinesque, 1831
44. Genus Lampsida [sic] accepted as Lampsilis Rafinesque, 1820 (misspelling of original genus name, Lampsilis Rafinesque, 1820)
45. Genus Lasmonos Rafinesque, 1831 accepted as Potamilus Rafinesque, 1818
46. Genus Lastena Rafinesque, 1820 accepted as Potamilus Rafinesque, 1818
47. Genus Leptodea Rafinesque, 1820 accepted as Potamilus Rafinesque, 1818
48. Genus Limnadea Agassiz, 1846 accepted as Potamilus Rafinesque, 1818
49. Genus Luteacarnea Frierson, 1927 accepted as Obovaria Rafinesque, 1819
50. Genus Mesonaias Crosse & P. Fischer, 1894 accepted as Cyrtonaias Crosse & P. Fischer, 1894
51. Genus Metaptera Rafinesque, 1820 accepted as Potamilus Rafinesque, 1818
52. Genus Micromya Agassiz, 1852 accepted as Paetulunio Watters, 2018 (invalid: junior homonym of Micromya Rondani, 1840)
53. Genus Monelagmus Agassiz, 1846 accepted as Leptodea Rafinesque, 1820 accepted as Potamilus Rafinesque, 1818
54. Genus Monelasmus Agassiz, 1846 accepted as Potamilus Rafinesque, 1818
55. Genus Naidea Swainson, 1840 accepted as Potamilus Rafinesque, 1818
56. Genus Nedionidus [sic] accepted as Medionidus C. T. Simpson, 1900 (unaccepted > misspelling - incorrect subsequent spelling)
57. Genus Oblicaria Rafinesque, 1820 accepted as Obliquaria Rafinesque, 1820
58. Genus Obliquata Frierson, 1927 accepted as Epioblasma Rafinesque, 1831
59. Genus Paraptera Ortmann, 1911 accepted as Potamilus Rafinesque, 1818
60. Genus Pareptera Ortmann, 1911 accepted as Leptodea Rafinesque, 1820 accepted as Potamilus Rafinesque, 1818
61. Genus Penita Frierson, 1927 accepted as Epioblasma Rafinesque, 1831
62. Genus Pilea C. T. Simpson, 1900 accepted as Epioblasma Rafinesque, 1831 (junior subjective synonym)
63. Genus Plagiola Rafinesque, 1819 accepted as Ptychobranchus C. T. Simpson, 1900
64. Genus Plagiolopsis Thiele, 1934 accepted as Ellipsaria Rafinesque, 1820
65. Genus Proptera Rafinesque, 1819 accepted as Potamilus Rafinesque, 1818
66. Genus Pseudoon C. T. Simpson, 1900 accepted as Obovaria Rafinesque, 1819 (unaccepted > junior subjective synonym)
67. Genus Rotundaria Rafinesque, 1820 accepted as Obovaria Rafinesque, 1819
68. Genus Scalenilla Ortmann & B. Walker, 1922 accepted as Epioblasma Rafinesque, 1831 (unaccepted > junior subjective synonym)
69. Genus Simpsonunio Starobogatov, 1970 accepted as Lampsilis Rafinesque, 1820
70. Genus Stenelasma Herrmannsen, 1849 accepted as Potamilus Rafinesque, 1818
71. Genus Striata Frierson, 1927 accepted as Obovaria Rafinesque, 1819
72. Genus Subtentus Frierson, 1927 accepted as Ptychobranchus C. T. Simpson, 1900
73. Genus Symphynota I. Lea, 1829 accepted as Potamilus Rafinesque, 1818 (unaccepted > junior objective synonym)
74. Genus Torulosa Frierson, 1927 accepted as Epioblasma Rafinesque, 1831
75. Genus Toxelasma Agassiz, 1846 accepted as Toxolasma Rafinesque, 1831 (emendation)
76. Genus Troncilla Rafinesque, 1819 accepted as Truncilla Rafinesque, 1819
77. Genus Truncillopsis Ortmann & B. Walker, 1922 accepted as Epioblasma Rafinesque, 1831 (unaccepted > junior subjective synonym)

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