1. Subfamily Ancylinae Rafinesque, 1815
   1. Tribe Ancylini Rafinesque, 1815
      1. Genus Ancylus O. F. Müller, 1773
      2. Genus Ferrissia B. Walker, 1903
      3. Genus Pettancylus Iredale, 1943
      4. Genus Rhodacmea B. Walker, 1917
      5. Genus Stimulator Iredale, 1944
      6. Genus Ancilus [sic] accepted as Ancylus O. F. Müller, 1773 (a misspelling of the generic name Ancylus)
      7. Genus Pseudancylus B. Walker, 1921 accepted as Ancylus O. F. Müller, 1773 (junior objective synonym of Ancylus)
      8. Genus Watsonula Mirolli, 1960 accepted as Ferrissia B. Walker, 1903
      9. Genus Poeyia Bourguignat, 1862 (uncertain > taxon inquirendum)
   2. Tribe Laevapicini Hannibal, 1912
      1. Genus Anisancylus Pilsbry, 1924
      2. Genus Gundlachia L. Pfeiffer, 1849
      3. Genus Hebetancylus Pilsbry, 1914
      4. Genus Laevapex B. Walker, 1903
      5. Genus Sineancylus Gutiérrez Gregoric, 2014
      6. Genus Uncancylus Pilsbry, 1914
      7. Genus Anancylus Gutiérrez Gregoric, 2012 accepted as Sineancylus Gutiérrez Gregoric, 2014 (invalid: junior homonym of Anancylus Thomson, 1864; Sineancylus is a replacement name)
      8. Genus Haldemania Clessin, 1880 accepted as Laevapex B. Walker, 1903 (invalid; a junior hononym of Haldemania Tryon, 1862)
   3. Genus Acrochasma Reuss, 1861 (not a gastropod)
   4. Genus Forsancylus Iredale, 1944 accepted as Pettancylus Iredale, 1943 (unaccepted > junior subjective synonym)
2. Subfamily Miratestinae P. Sarasin & F. Sarasin, 1897
   1. Genus Amerianna Strand, 1928
   2. Genus Ancylastrum Bourguignat, 1853
   3. Genus Bayardella J. B. Burch, 1977
   4. Genus Glyptophysa Crosse, 1872
   5. Genus Isidorella Tate, 1896
   6. Genus Kessneria J. C. Walker & Ponder, 2001
   7. Genus Leichhardtia J. C. Walker, 1988
   8. Genus Miratesta P. Sarasin & F. Sarasin, 1897
   9. Genus Patelloplanorbis Hubendick, 1957
   10. Genus Protancylus P. Sarasin & F. Sarasin, 1897
   11. Genus Ameria H. Adams, 1861 accepted as Amerianna Strand, 1928 (invalid; a junior homonym of Ameria Walker, 1854 (Lepidoptera))
   12. Tribe Ameriannini Zilch, 1959 accepted as Miratestinae P. Sarasin & F. Sarasin, 1897 (a junior synonym)
   13. Genus Ameriella Cotton, 1943 accepted as Amerianna Strand, 1928 (junior synonym)
   14. Genus Glyptamoda Iredale, 1943 accepted as Glyptophysa Crosse, 1872 (junior synonym)
   15. Genus Lenameria Iredale, 1943 accepted as Glyptophysa Crosse, 1872 (junior synonym)
   16. Genus Mutalena Iredale, 1944 (unaccepted > nomen nudum)
   17. Genus Physastra Tapparone Canefri, 1883 accepted as Glyptophysa Crosse, 1872 (junior synonym)
   18. Genus Tasmadora Iredale, 1943 accepted as Glyptophysa (Glyptophysa) Crosse, 1872 represented as Glyptophysa Crosse, 1872
3. Subfamily Planorbinae Rafinesque, 1815
   1. Tribe Camptoceratini Dall, 1870
      1. Genus Camptoceras W. H. Benson, 1843
      2. Genus Culmenella Clench, 1927
   2. Tribe Coretini J. E. Gray, 1847
      1. Genus Planorbarius Duméril, 1805
      2. Genus Coretus J. E. Gray, 1847 accepted as Planorbarius Duméril, 1805 (unaccepted > junior subjective synonym)
   3. Tribe Drepanotrematini Zilch, 1959
      1. Genus Antillorbis H. W. Harry & Hubendick, 1964
      2. Genus Drepanotrema P. Fischer & Crosse, 1880
   4. Tribe Helisomatini F. C. Baker, 1928
      1. Genus Acrorbis Odhner, 1937
      2. Genus Biomphalaria Preston, 1910
      3. Genus Dilatata Clessin, 1884
      4. Genus Helisoma Swainson, 1840
      5. Genus Menetus H. Adams & A. Adams, 1855
      6. Genus Pecosorbis D. W. Taylor, 1985
      7. Genus Planorbella Haldeman, 1843
      8. Genus Planorbula Haldeman, 1840
      9. Genus Promenetus F. C. Baker, 1935
      10. Genus Vorticifex Meek, 1870
      11. Genus Afroplanorbis Thiele, 1931 accepted as Biomphalaria Preston, 1910 (unaccepted > junior subjective synonym)
      12. Genus Armigerus Clessin, 1886 accepted as Biomphalaria Preston, 1910 (Placed on the Official List by Opinion 735, 1965, Bulletin of Zoological Nomenclature, 22(2): 94, with the ruling that it does not have precedence over Biomphalaria Preston, 1910)
      13. Genus Australorbis Pilsbry, 1934 accepted as Biomphalaria Preston, 1910 (unaccepted > junior subjective synonym)
      14. Genus Carinifex W. G. Binney, 1864 accepted as Helisoma Swainson, 1840 (unaccepted > junior subjective synonym)
      15. Genus Heterodiscus Westerlund, 1903 accepted as Biomphalaria Preston, 1910 (Invalid: junior homonym of Heterodiscus Sharp, 1886 [Insecta])
      16. Genus Lateorbis F. C. Baker, 1945 accepted as Biomphalaria Preston, 1910 (unaccepted > junior subjective synonym)
      17. Genus Micromenetus F. C. Baker, 1945 accepted as Dilatata Clessin, 1884 (junior objective synonym)
      18. Genus Obstructio F. Haas, 1939 accepted as Biomphalaria Preston, 1910 (unaccepted > junior subjective synonym)
      19. Genus Parapholyx G. D. Hanna, 1922 accepted as Vorticifex (Parapholyx) G. D. Hanna, 1922 represented as Vorticifex Meek, 1870 (unaccepted > junior subjective synonym)
      20. Genus Planorbina Haldeman, 1843 accepted as Biomphalaria Preston, 1910 (under ICZN Opinion 735, not to be goven precedence over Biomphalaria Preston, 1910)
      21. Genus Platytaphius Pilsbry, 1924 accepted as Biomphalaria Preston, 1910 (a junior synonym of Biomphalaria)
      22. Genus Pompholycodea Lindholm, 1927 accepted as Parapholyx G. D. Hanna, 1922 accepted as Vorticifex (Parapholyx) G. D. Hanna, 1922 represented as Vorticifex Meek, 1870 (junior objective synonym)
      23. Genus Pompholyx I. Lea, 1856 accepted as Parapholyx G. D. Hanna, 1922 accepted as Vorticifex (Parapholyx) G. D. Hanna, 1922 represented as Vorticifex Meek, 1870 (invalid: junior homonym of Pompholyx Gosse, 1851 [Rotifera]; Parapholyx and Pompholycodea are replacement names )
      24. Genus Syrioplanorbis F. C. Baker, 1945 accepted as Biomphalaria Preston, 1910 (a junior synonym of Biomphalaria)
      25. Genus Taphius H. Adams & A. Adams, 1855 accepted as Biomphalaria Preston, 1910 (Placed on the Official List by Opinion 735, 1965, Bulletin of Zoological Nomenclature, 22(2): 94, with the ruling that it does not have precedence over Biomphalaria Preston, 1910)
      26. Genus Tropicorbis A. P. Brown & Pilsbry, 1914 accepted as Biomphalaria Preston, 1910 (unaccepted > junior subjective synonym)
   5. Tribe Neoplanorbini Hannibal, 1912
      1. Genus Amphigyra Pilsbry, 1906
      2. Genus Neoplanorbis Pilsbry, 1906
   6. Tribe Planorbini Rafinesque, 1815
      1. Genus Afrogyrorbis Starobogatov, 1967
      2. Genus Anisus S. Studer, 1820
      3. Genus Armiger Hartmann, 1843
      4. Genus Bathyomphalus Charpentier, 1837
      5. Genus Choanomphalus Gerstfeldt, 1859
      6. Genus Gyraulus Charpentier, 1837
      7. Genus Hovorbis D. S. Brown & Mandahl-Barth, 1973
      8. Genus Planorbis O. F. Müller, 1773
      9. Genus Africanogyrus Özdikmen & Darılmaz, 2007 accepted as Hovorbis D. S. Brown & Mandahl-Barth, 1973 (a junior synonym)
      10. Genus Afrogyrus D. S. Brown & Mandahl-Barth, 1973 accepted as Hovorbis D. S. Brown & Mandahl-Barth, 1973 (invalid: junior homonym of Afrogyrus Brinck, 1955 [Coleoptera])
      11. Genus Caillaudia Bourguignat, 1883 accepted as Gyraulus (Caillaudia) Bourguignat, 1883 represented as Gyraulus Charpentier, 1837
      12. Genus Ceratophallus D. S. Brown & Mandahl-Barth, 1973 accepted as Afrogyrorbis Starobogatov, 1967 (objective synonym of Afrogyrorbis)
      13. Genus Choanomphalodes Lindholm, 1927 accepted as Gyraulus (Choanomphalodes) Lindholm, 1927 represented as Gyraulus Charpentier, 1837
      14. Genus Discoidina Stein, 1850 accepted as Bathyomphalus Charpentier, 1837 (objective synonym of Bathyomphalus)
      15. Genus Glyptanisus Iredale, 1943 accepted as Gyraulus (Gyraulus) Charpentier, 1837 represented as Gyraulus Charpentier, 1837
      16. Genus Lamorbis Starobogatov, 1967 accepted as Gyraulus (Lamorbis) Starobogatov, 1967 represented as Gyraulus Charpentier, 1837
      17. Genus Omphalocrypta Tomlin, 1929 accepted as Choanomphalus Gerstfeldt, 1859 (a junior synonym)
      18. Genus Paraspira Dall, 1905 accepted as Anisus S. Studer, 1820 (unaccepted > junior subjective synonym)
      19. Genus Plananisus Iredale, 1943 accepted as Gyraulus Charpentier, 1837 (junior synonym)
      20. Genus Planaria T. Brown, 1827 accepted as Trochlea Haldeman, 1842 accepted as Gyraulus Charpentier, 1837 (invalid: junior homonym of Planaria O. F. Müller, 1776; Trochlea is a replacement name)
      21. Genus Polygyrus Gray, 1847 accepted as Bathyomphalus Charpentier, 1837 (objective synonym of Bathyomphalus)
      22. Genus Pygmanisus Iredale, 1943 accepted as Gyraulus Charpentier, 1837
      23. Genus Spiralina E. von Martens, 1899 accepted as Anisus (Disculifer) C. R. Boettger, 1944 represented as Anisus S. Studer, 1820 (unaccepted > junior homonym, junior homonym of Spiralina Chaster, 1898; Disculifer C. R. Boettger, 1944 is a replacement name)
      24. Genus Spirulina [sic] accepted as Spiralina E. von Martens, 1899 accepted as Anisus (Disculifer) C. R. Boettger, 1944 represented as Anisus S. Studer, 1820 (unaccepted > misspelling - incorrect subsequent spelling)
      25. Genus Trochlea Haldeman, 1842 accepted as Gyraulus Charpentier, 1837
      26. Genus Tropidiscus Stein, 1850 accepted as Planorbis O. F. Müller, 1773 (junior synonym)
      27. Genus Valvatomphalus B. Dybowski & Grochmalicki, 1925 accepted as Choanomphalus Gerstfeldt, 1859 (a junior synonym)
   7. Tribe Segmentinini F. C. Baker, 1945
      1. Genus Helicorbis W. H. Benson, 1855
      2. Genus Hippeutis Charpentier, 1837
      3. Genus Intha Annandale, 1922
      4. Genus Kolhymorbis Starobogatov & Streletzkaja, 1967
      5. Genus Lentorbis Mandahl-Barth, 1954
      6. Genus Polypylis Pilsbry, 1906
      7. Genus Segmentina J. Fleming, 1818
      8. Genus Segmentorbis Mandahl-Barth, 1954
      9. Genus Trochorbis W. H. Benson, 1855
      10. Genus Hyppeutis Charpentier, 1837 accepted as Hippeutis Charpentier, 1837 (misspelling)
      11. Genus Pingiella F. C. Baker, 1945 accepted as Helicorbis W. H. Benson, 1855 (a junior synonym of Helicorbis Benson)
      12. Genus Segnitila Cotton & Godfrey, 1938 accepted as Helicorbis W. H. Benson, 1855 (a junior synonym of Helicorbis Benson)
4. Genus Theratodocion D. S. Brown & Verdcourt, 1998
5. Genus Hypsogyra Lindholm, 1927 accepted as Planorbella Haldeman, 1843
6. Subfamily Rhodacmeinae B. Walker, 1917 accepted as Ancylini Rafinesque, 1815
7. Subfamily Segmentininae F. C. Baker, 1945 accepted as Segmentinini F. C. Baker, 1945 (original rank)
8. Subfamily Planorbidae incertae sedis (temporary name)

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