1. Tribe Aculamprotulini X.-C. Huang & X.-P. Wu, 2019
   1. Genus Aculamprotula X.-P. Wu, Y.-L. Liang, H.-Z. Wang & S. Ouyang, 1999
2. Tribe Anodontini Rafinesque, 1820
   1. Genus Alasmidonta Say, 1818
   2. Genus Anodonta Lamarck, 1799
   3. Genus Anodontoides C. T. Simpson, 1898
   4. Genus Arcidens C. T. Simpson, 1900
   5. Genus Cyclanodonta Starobogatov, 1970 †
   6. Genus Lasmigona Rafinesque, 1831
   7. Genus Modelliella Starobogatov, 1970 †
   8. Genus Pegias C. T. Simpson, 1900
   9. Genus Prolasmidonta Ortmann, 1914
   10. Genus Pseudanodonta Bourguignat, 1877
   11. Genus Pseudodontoideus Frierson, 1927
   12. Genus Pyganodon Crosse & P. Fischer, 1894
   13. Genus Sichuanoconcha X.-Z. Liu, 1984 †
   14. Genus Simpsonaias Frierson, 1914
   15. Genus Simpsonella T. D. A. Cockerell, 1903
   16. Genus Strophitus Rafinesque, 1820
   17. Genus Utterbackia F. C. Baker, 1927
   18. Genus Utterbackiana Frierson, 1927
   19. Genus Anodon Swainson, 1840 accepted as Anodonta Lamarck, 1799
   20. Genus Arconaia Conrad, 1865 accepted as Lanceolaria Conrad, 1853 (junior synonym)
   21. Genus Colletopterum Bourguignat, 1880 accepted as Anodonta Lamarck, 1799 (a junior synonym)
   22. Genus Dalliella C. T. Simpson, 1900 accepted as Simpsonella T. D. A. Cockerell, 1903 (unaccepted > junior homonym, invalid: junior homonym of Dalliella Cossmann, 1895; Simpsonella is a replacement name)
   23. Genus Gabillotia Servain, 1891 accepted as Anodonta Lamarck, 1799 (junior subjective synonym)
   24. Genus Glochidium Rathke, 1797 accepted as Anodonta Lamarck, 1799 (Invalid: placed on the Official Index by Opinion 561, 1959, Opinions and Declarations rendered by the ICZN, 20(28): 305)
   25. Genus Oguranodonta Kuroda & T. Habe, 1987 accepted as Sinanodonta Modell, 1945 (unaccepted > junior subjective synonym)
   26. Genus Purpurina Herrmannsen, 1852 accepted as Simpsonella T. D. A. Cockerell, 1903 (invalid: junior homonym of Purpurina d'Orbigny, 1850)
3. Tribe Cristariini Lopes-Lima, Bogan & Froufe, 2017
   1. Genus Amuranodonta Moskvicheva, 1973
   2. Genus Anemina F. Haas, 1969
   3. Genus Beringiana Starobogatov, 1983
   4. Genus Buldowskia Moskvicheva, 1973
   5. Genus Cristaria Schumacher, 1817
   6. Genus Pletholophus C. T. Simpson, 1900
   7. Genus Sinanodonta Modell, 1945
   8. Genus Appius Menke, 1830 accepted as Cristaria Schumacher, 1817 (a junior synonym)
   9. Genus Arsenievinaia Zatravkin & Bogatov, 1987 accepted as Beringiana Starobogatov, 1983 (a junior synonym)
   10. Genus Barbala Gray, 1825 accepted as Cristaria Schumacher, 1817 (a junior synonym)
   11. Genus Clione Gistel, 1848 accepted as Cristaria Schumacher, 1817 (a junior synonym)
   12. Genus Craspedodonta Herrmannsen, 1852 accepted as Cristaria Schumacher, 1817 (junior synonym)
   13. Genus Dianisotis Rafinesque, 1831 accepted as Cristaria Schumacher, 1817
   14. Genus Dipsas Leach, 1814 accepted as Cristaria Schumacher, 1817 (invalid: junior homonym of Dipsas Laurenti, 1768 [Reptilia])
   15. Genus Dipsax Voigt, 1834 accepted as Cristaria Schumacher, 1817 (a junior synonym)
   16. Genus Haasiella Lindholm, 1925 accepted as Anemina F. Haas, 1969 (invalid: junior homonym of Haasiella Pocock, 1901 [Myriapoda], and Haasiella Kieffer, 1913 [Diptera]; Anemina is a replacement name)
   17. Genus Kunashiria Starobogatov, 1983 accepted as Beringiana Starobogatov, 1983 (unaccepted > junior subjective synonym)
4. Tribe Lanceolariini Froufe, Lopes-Lima & Bogan, 2017
   1. Genus Lanceolaria Conrad, 1853
   2. Genus Cylindrica C. T. Simpson, 1900 accepted as Lanceolaria Conrad, 1853 (unaccepted > junior homonym, Invalid: junior homonym of Cylindrica Clessin, 1882 [Gastropoda Hydrobiidae])
   3. Genus Pericylindrica Tomlin, 1930 accepted as Lanceolaria Conrad, 1853 (a junior synonym)
   4. Genus Triquetra Mörch, 1853 accepted as Lanceolaria Conrad, 1853 (Invalid: junior homonym of Triquetra Blainville, 1828 [Veneridae] and Triquetra Conrad, 1846 [Mesodesmatidae])
5. Tribe Lepidodesmini X.-C. Huang & X.-P. Wu, 2019
   1. Genus Lepidodesma C. T. Simpson, 1896
6. Tribe Middendorffinaiini Lopes-Lima, Bolotov & Bogan, 2020
   1. Genus Middendorffinaia Moskvicheva & Starobogatov, 1973
7. Tribe Nodulariini Starobogatov & Zatravkin, 1987
   1. Genus Cuneopsis C. T. Simpson, 1900
   2. Genus Inversiunio Habe, 1991
   3. Genus Nodularia Conrad, 1853
   4. Genus Pseudocuneopsis X.-C. Huang, Y.-T. Dai & X.-P. Wu, 2022
   5. Genus Schistodesmus C. T. Simpson, 1900
   6. Genus Tchangsinaia Starobogatov, 1970
   7. Genus Arcuneopsis X.-C. Huang, Y.-T. Dai & X.-P. Wu, 2022 accepted as Tchangsinaia Starobogatov, 1970 (unaccepted > junior objective synonym)
8. Tribe Unionini Rafinesque, 1820
   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
   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