1. Genus Acuticosta C. T. Simpson, 1900
2. Genus Betekeia Starobogatov, 1970 †
3. Genus Diaurora T. D. A. Cockerell, 1903
4. Genus Heterunio Lindholm, 1932 †
5. Genus Modellinaia Starobogatov, 1970 †
6. Genus Palindonaia Modell, 1950 †
7. Genus Pristinunio Starobogatov, 1970 †
8. Genus Protunio P. Haas, 1913
9. Genus Pseudobaphia C. T. Simpson, 1900
10. Genus Rhombuniopsis F. Haas, 1920
11. Genus Rumanunio Starobogatov, 1970 †
12. Genus Sculptunio Lindholm, 1932 †
13. Genus Sibirunio Starobogatov, 1970 †
14. Genus Tuberunio Lindholm, 1932 †
15. Genus Unio Philipsson, 1788
16. Genus Alasmidens A. H. Clarke, 1981 accepted as Alasmidonta (Alasmidens) A. H. Clarke, 1981 represented as Alasmidonta Say, 1818
17. Genus Alasminota Ortmann, 1914 accepted as Lasmigona Rafinesque, 1831 (unaccepted > junior subjective synonym)
18. Genus Alasmodon G. B. Sowerby I, 1824 accepted as Alasmidonta Say, 1818 (Invalid: unjustified emendation of Alasmidonta Say, 1818)
19. Genus Alasmodonta [sic] accepted as Alasmidonta Say, 1818 (unaccepted > misspelling - incorrect subsequent spelling)
20. Genus Amblamodon Rafinesque, 1831 accepted as Amblasmodon Rafinesque, 1831 accepted as Lasmigona Rafinesque, 1831 (unaccepted > misspelling - incorrect original spelling)
21. Genus Amblasmodon Rafinesque, 1831 accepted as Lasmigona Rafinesque, 1831 (unaccepted > junior subjective synonym)
22. Genus Anadontoides [sic] accepted as Anodontoides C. T. Simpson, 1898 (unaccepted > misspelling - incorrect subsequent spelling)
23. Genus Anelasmodon Agassiz, 1846 accepted as Alasmidonta Say, 1818 (replacement name)
24. Genus Anelasmodonta Herrmannsen, 1846 accepted as Alasmidonta Say, 1818 (unaccepted > unjustified emendation)
25. Genus Anodon Oken, 1815 accepted as Anodonta Lamarck, 1799 (not available from Oken, 1815 [work placed on the Official Index by Opinion 417, and Anodon Oken, 1815, placed on Official Index by Opinion 561, 1959, Opinions and Declarations rendered by the ICZN, 20(28): 305])
26. Genus Anodontes Cuvier, 1817 accepted as Anodontites Bruguière, 1792 (an incorrect subsequent spelling of Anodontites Bruguière, 1792)
27. Genus Anodontopsis C. T. Simpson, 1898 accepted as Anodontoides C. T. Simpson, 1898 (unaccepted > junior homonym, junior homonym of Anodontopsis McCoy, 1851; Anodontoides is a replacement name)
28. Genus Arkansia Ortmann & B. Walker, 1912 accepted as Arcidens C. T. Simpson, 1900 (junior synonym)
29. Genus Arnoldina Hannibal, 1912 accepted as Anodonta Lamarck, 1799 (unaccepted > junior subjective synonym)
30. Genus Batavusiana Bourguignat, 1889 accepted as Unio (Batavusiana) Bourguignat, 1889 accepted as Unio (Crassiana) Servain, 1882 accepted as Unio Philipsson, 1788 (unaccepted > superseded rank)
31. Genus Bogatschevinaia Starobogatov, 1970 † accepted as Rhombuniopsis (Bogatschevinaia) Starobogatov, 1970 † represented as Rhombuniopsis F. Haas, 1920 (unaccepted > superseded rank)
32. Genus Brachyanodon Crosse & P. Fischer, 1894 accepted as Anodonta Lamarck, 1799
33. Genus Bullella C. T. Simpson, 1900 accepted as Alasmidonta Say, 1818 (unaccepted > junior subjective synonym)
34. Genus Cafferia C. T. Simpson, 1900 accepted as Unio Philipsson, 1788 (unaccepted > junior subjective synonym)
35. Genus Calceola Swainson, 1840 accepted as Alasmidonta Say, 1818
36. Genus Complanaria Swainson, 1840 accepted as Lasmigona Rafinesque, 1831
37. Genus Consentunio Jatsko, 1972 accepted as Unio (Crassiana) Servain, 1882 accepted as Unio Philipsson, 1788 (junior subjective synonym)
38. Genus Crassiana Servain, 1882 accepted as Unio Philipsson, 1788 (unaccepted > junior subjective synonym)
39. Genus Crassunio Modell, 1964 accepted as Unio (Crassiana) Servain, 1882 accepted as Unio Philipsson, 1788 (junior objective synonym)
40. Genus Decurambis Rafinesque, 1831 accepted as Alasmidonta Say, 1818
41. Genus Elasmigena Agassiz, 1846 accepted as Elasmogona Agassiz, 1846 accepted as Lasmigona Rafinesque, 1831 (incorrect subsequent spelling)
42. Genus Elasmogena Agassiz, 1846 accepted as Elasmogona Agassiz, 1846 accepted as Lasmigona Rafinesque, 1831 (incorrect subsequent spelling)
43. Genus Elasmogona Agassiz, 1846 accepted as Lasmigona Rafinesque, 1831 (emendation)
44. Genus Eolymnium Prashad, 1919 accepted as Unio Philipsson, 1788 (unaccepted > junior subjective synonym)
45. Genus Euphrata Pallary, 1933 accepted as Anodonta Lamarck, 1799
46. Genus Flexiplis Rafinesque, 1831 accepted as Pyganodon Crosse & P. Fischer, 1894
47. Genus Flexiptis Rafinesque, 1831 accepted as Pyganodon Crosse & P. Fischer, 1894
48. Genus Hemiodon Swainson, 1840 accepted as Strophitus Rafinesque, 1820
49. Genus Jugosus C. T. Simpson, 1914 accepted as Alasmidonta Say, 1818
50. Genus Limnium accepted as Lymnium Moquin-Tandon, 1856 accepted as Unio Philipsson, 1788 (incorrect subsequent spelling of Lymnium)
51. Genus Lymnadea [sic] accepted as Lymnadia G. B. Sowerby II, 1839 accepted as Potamilus Rafinesque, 1818 (unaccepted > misspelling - incorrect subsequent spelling)
52. Genus Lymnadia G. B. Sowerby II, 1839 accepted as Potamilus Rafinesque, 1818
53. Genus Lymnium Moquin-Tandon, 1856 accepted as Unio Philipsson, 1788
54. Genus Mesanodon Crosse & P. Fischer, 1894 accepted as Anodonta Lamarck, 1799
55. Genus Migranaja Hannibal, 1912 accepted as Potomida Swainson, 1840 (unaccepted > junior subjective synonym)
56. Genus Monodonta Say, 1817 accepted as Alasmidonta Say, 1818 (invalid: junior homonym of Monodonta Lamarck, 1799 [Gastropoda]; Alasmidonta is a replacement name)
57. Genus Mysca W. Turton, 1822 accepted as Unio Philipsson, 1788 (unaccepted > junior subjective synonym)
58. Genus Nayadina De Gregorio, 1914 accepted as Utterbackia F. C. Baker, 1927 (unaccepted > junior homonym, of Nayadina Munier-Chalmas, 1864)
59. Genus Nemrodia Pallary, 1939 accepted as Unio (Eolymnium) Prashad, 1919 accepted as Unio Philipsson, 1788 (unavailable; the name published without designating a type species)
60. Genus Nodularidia T. D. A. Cockerell, 1901 accepted as Nodularia Conrad, 1853 (unnecessary nom. nov. pro Nodularia Conrad, 1853)
61. Genus Oxynaia F. Haas, 1913 accepted as Nodularia Conrad, 1853 (unaccepted > junior subjective synonym)
62. Genus Pagias [sic] accepted as Pegias C. T. Simpson, 1900 (incorrect spelling)
63. Genus Pictunio Jatsko, 1972 accepted as Unio Philipsson, 1788 (junior objective synonym of Unio)
64. Genus Platynaias B. Walker, 1918 accepted as Lasmigona Rafinesque, 1831 (unaccepted > junior subjective synonym)
65. Genus Pressodonta C. T. Simpson, 1900 accepted as Alasmidonta Say, 1818 (unaccepted > junior subjective synonym)
66. Genus Pterosygna Rafinesque, 1831 accepted as Pterosyna Rafinesque, 1831 accepted as Lasmigona Rafinesque, 1831 (incorrect subsequent spelling)
67. Genus Pterosyna Rafinesque, 1831 accepted as Lasmigona Rafinesque, 1831
68. Genus Rhombunio Germain, 1911 accepted as Potomida Swainson, 1840
69. Genus Rombunio accepted as Rhombunio Germain, 1911 accepted as Potomida Swainson, 1840 (unaccepted > misspelling - incorrect subsequent spelling)
70. Genus Rugifera C. T. Simpson, 1900 accepted as Alasmidonta Say, 1818 (unaccepted > junior subjective synonym)
71. Genus Schleschiella Modell, 1950 accepted as Rhipidodonta Mörch, 1853 (junior subjective synonym)
72. Genus Simpsoniconcha Frierson, 1914 accepted as Simpsonaias Frierson, 1914 (unnecessary substitute name for Simpsonaias Frierson, 1914 )
73. Genus Sulcularia Rafinesque, 1831 accepted as Lasmigona Rafinesque, 1831
74. Genus Unionea Rafinesque, 1815 accepted as Unio Philipsson, 1788 (unnecessary substitute name or unjustified emendation of Unio)
75. Genus Uniopsis Swainson, 1840 accepted as Alasmidonta Say, 1818
76. Genus Utterbachia F. C. Baker, 1927 accepted as Utterbackia F. C. Baker, 1927 (original misspelling)
77. Genus Margarita I. Lea, 1836 (uncertain > taxon inquirendum, invalid: junior homonym of Margarita Leach, 1814 [Bivalvia Pteriidae]; Margaron is a replacement name)
78. Genus Margaron I. Lea, 1852 (uncertain > taxon inquirendum)

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