1. Subfamily Bithyniinae Gray, 1857
   1. Genus Bithynia Leach, 1818
   2. Genus Pseudobithynia Glöer & Pešić, 2006
2. Subfamily Helicostoinae Pruvot-Fol, 1937
   1. Genus Helicostoa E. Lamy, 1926
3. Subfamily Parafossarulinae Starobogatov, 1983
   1. Genus Parafossarulus Annandale, 1924
4. Genus Allocinma [sic] accepted as Alocinma Annandale & Prashad, 1919 accepted as Gabbia Tryon, 1865 (unaccepted > misspelling - incorrect subsequent spelling)
5. Genus Alocinma Annandale & Prashad, 1919 accepted as Gabbia Tryon, 1865 (unaccepted > junior subjective synonym)
6. Genus Bithinia [sic] accepted as Bithynia Leach, 1818 (incorrect subsequent spelling)
7. Genus Bulimus Scopoli, 1777 accepted as Bithynia Leach, 1818 (invalid: placed on the Official Index by ICZN Opinion 475)
8. Genus Bythinea [sic] accepted as Bithynia Leach, 1818 (subsequent misspelling of genus name, Bithynia Leach, 1818)
9. Genus Bythinia Stein, 1850 accepted as Bithynia Leach, 1818 (invalid: unjustified emendation of Bithynia; placed on the Official Index by ICZN Opinion 475)
10. Genus Digoniostoma Annandale, 1920 accepted as Bithynia (Digoniostoma) Annandale, 1920 represented as Bithynia Leach, 1818 (unaccepted > junior subjective synonym)
11. Genus Digyrcidum Locard, 1882 accepted as Bithynia Leach, 1818
12. Genus Lutella Haldeman, 1840 accepted as Bithynia Leach, 1818 (unaccepted > junior objective synonym)
13. Genus Mysorella Godwin-Austen, 1919 accepted as Gabbia Tryon, 1865
14. Genus Mysoria Godwin-Austen, 1919 accepted as Gabbia Tryon, 1865 (invalid: junior homonym of Mysoria Watson, 1893 [Lepidoptera]; Mysorella is a replacement name)
15. Genus Opisthorchophorus Beriozkina & Starobogatov, 1995 accepted as Bithynia Leach, 1818 (unaccepted > junior subjective synonym)
16. Genus Paraelona Beriozkina & Starobogatov, 1995 accepted as Bithynia Leach, 1818
17. Genus Paranerita Annandale, 1920 accepted as Parabithynia Pilsbry, 1928 (invalid: junior homonym of Paranerita Hampson, 1901 [Lepidoptera] and Paranerita Bourne, 1908 [Mollusca]; Parabithynia is a replacement name)
18. Genus Sataria Annandale, 1920 accepted as Neosataria Kulkarni & Khot, 2015 (invalid: junior homonym of Sataria Roewer, 1915; Neosataria is a replacement name)
19. Subfamily Bithyniidae incertae sedis (temporary name)
    1. Genus Boreoelona Starobogatov & Streletzkaja, 1967
    2. Genus Celekenia Andrusov, 1902 †
    3. Genus Congodoma Mandahl-Barth, 1968
    4. Genus Daciella Wenz, 1942 †
    5. Genus Emmericiopsis Thiele, 1928
    6. Genus Euchilus F. Sandberger, 1870 †
    7. Genus Ferebithynia Kókay, 2006 †
    8. Genus Fossarulus Neumayr, 1869 †
    9. Genus Funduella Mandahl-Barth, 1968
    10. Genus Gabbia Tryon, 1865
    11. Genus Gabbiella Mandahl-Barth, 1968
    12. Genus Hydrobioides G. Nevill, 1885
    13. Genus Incertihydrobia Verdcourt, 1958
    14. Genus Jubaia Mandahl-Barth, 1968
    15. Genus Liminitesta Mandahl-Barth, 1974
    16. Genus Lufengospira W. Yu & Y.-H. Xi, 1977 †
    17. Genus Neosataria Kulkarni & Khot, 2015
    18. Genus Neumayria De Stefani, 1877 †
    19. Genus Parabithynia Pilsbry, 1928
    20. Genus Petroglyphus Möllendorff, 1894
    21. Genus Pseudovivipara Annandale, 1918
    22. Genus Sierraia Connolly, 1929
    23. Genus Soapitia E. Binder, 1961
    24. Genus Streptocerella Andrusov, 1902 †
    25. Genus Tylopoma Brusina, 1882 †
    26. Genus Wattebledia Crosse, 1886

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