1. Subfamily Geomitrinae C. R. Boettger, 1909
   1. Tribe Cochlicellini Schileyko, 1972
      1. Genus Cochlicella A. Férussac, 1821
      2. Genus Monilearia Mousson, 1872
      3. Genus Obelus W. Hartmann, 1842
      4. Genus Ripkeniella Hutterer & E. Gittenberger, 1998
      5. Genus Acutana Fagot, 1891 accepted as Cochlicella A. Férussac, 1821 (unaccepted > junior subjective synonym)
      6. Genus Anomalina Mousson, 1843 accepted as Obelus W. Hartmann, 1842 (Invalid: junior homonym of Anomalina d'Orbigny, 1826 [Foraminifera])
      7. Genus Cochlicellus H. Beck, 1837 accepted as Cochlicella A. Férussac, 1821 (invalid: unjustified emendation of Cochlicella)
      8. Genus Elisma W. Turton, 1831 accepted as Cochlicella A. Férussac, 1821
      9. Genus Longaeva Menke, 1828 accepted as Cochlicella A. Férussac, 1821 (unaccepted > unavailable name)
      10. Genus Prietocella Schileyko & Menkhorst, 1997 accepted as Cochlicella (Prietocella) Schileyko & Menkhorst, 1997 represented as Cochlicella A. Férussac, 1821
      11. Genus Turbulima Schlüter, 1838 accepted as Cochlicella A. Férussac, 1821 (unaccepted > junior subjective synonym)
      12. Genus Xeroacuta Monterosato, 1892 accepted as Cochlicella A. Férussac, 1821
   2. Tribe Geomitrini C. R. Boettger, 1909
      1. Genus Actinella R. T. Lowe, 1852
      2. Genus Callina R. T. Lowe, 1855
      3. Genus Caseolus R. T. Lowe, 1852
      4. Genus Craspedaria R. T. Lowe, 1852
      5. Genus Discula R. T. Lowe, 1852
      6. Genus Disculella Pilsbry, 1895
      7. Genus Domunculifex Brozzo, De Mattia, Harl & Neiber, 2020
      8. Genus Geomitra Swainson, 1840
      9. Genus Helicomela R. T. Lowe, 1855
      10. Genus Hystricella R. T. Lowe, 1855
      11. Genus Lemniscia R. T. Lowe, 1855
      12. Genus Moreletina Frias Martins, 2002
      13. Genus Plebecula R. T. Lowe, 1852
      14. Genus Pseudocampylaea L. Pfeiffer, 1877
      15. Genus Robertcameronia Teixeira, Groh, De Mattia & Neiber, 2026
      16. Genus Serratorotula Groh & Hemmen, 1986
      17. Genus Spirorbula R. T. Lowe, 1852
      18. Genus Steenbergia Mandahl-Barth, 1950
      19. Genus Testudodiscula Brozzo, De Mattia, Harl & Neiber, 2020
      20. Genus Wollastonaria De Mattia, Neiber & Groh, 2018
      21. Genus Faustella Mandahl-Barth, 1950 accepted as Actinella R. T. Lowe, 1852
      22. Genus Heterostoma W. Hartmann, 1843 accepted as Steenbergia Mandahl-Barth, 1950 (invalid: junior homonym of Heterostoma de Filippi, 1837 [Platyhelminthes])
      23. Genus Irus R. T. Lowe, 1852 accepted as Spirorbula R. T. Lowe, 1852
      24. Genus Rimula R. T. Lowe, 1852 accepted as Actinella R. T. Lowe, 1852 (invalid; preoccupied)
      25. Genus Tectula R. T. Lowe, 1852 accepted as Discula R. T. Lowe, 1852 (junior subjective synonym)
      26. Genus Turritella Wollaston, 1878 accepted as Discula R. T. Lowe, 1852
      27. Genus Wollastonia De Mattia, Neiber & Groh, 2018 accepted as Wollastonaria De Mattia, Neiber & Groh, 2018 (invalid; non Heer, 1852 etc., Wollastonaria is a replacement name)
   3. Genus Keraea Gude, 1911
   4. Tribe Ponentinini Schileyko, 1991
      1. Genus Ponentina P. Hesse, 1921
      2. Genus Henkia E. Gittenberger, 2012 accepted as Ponentina P. Hesse, 1921 (junior synonym)
2. Subfamily Helicellinae Ihering, 1909
   1. Tribe Cernuellini Schileyko, 1991
      1. Genus Alteniella Clerx & E. Gittenberger, 1977
      2. Genus Cernuella Schlüter, 1838
      3. Genus Cernuellopsis Manganelli & Fo. Giusti, 1988
      4. Genus Microxeromagna Ortiz de Zárate López, 1950
      5. Genus Sabessebia Ezzine & Neubert, 2025
      6. Genus Xeroplana Monterosato, 1892
      7. Genus Xerosecta Monterosato, 1892
      8. Genus Jacosta J. E. Gray, 1821 accepted as Xerosecta Monterosato, 1892 (invalid: Placed on the Official Index by Opinion 431, 1956, Opinions and Declarations rendered by the ICZN, 14: 349)
      9. Genus Polloneria Alzona & Alzona Bisacchi, 1939 accepted as Polloneriella Alzona & Alzona Bisacchi, 1940 accepted as Xerosecta (Polloneriella) Alzona & Alzona Bisacchi, 1940 represented as Xerosecta Monterosato, 1892 (unaccepted > junior homonym, non Clausilia (Polloneria) Sacco, 1886)
      10. Genus Polloneriella Alzona & Alzona Bisacchi, 1940 accepted as Xerosecta (Polloneriella) Alzona & Alzona Bisacchi, 1940 represented as Xerosecta Monterosato, 1892 (unaccepted > superseded rank)
      11. Genus Xerambigua Monterosato, 1892 accepted as Xerosecta Monterosato, 1892
      12. Genus Xeroamanda Monterosato, 1892 accepted as Cernuella (Xeroamanda) Monterosato, 1892 represented as Cernuella Schlüter, 1838
      13. Genus Xeroampulla Monterosato, 1892 accepted as Cernuella Schlüter, 1838
      14. Genus Xerocincta Monterosato, 1892 accepted as Cernuella (Xerocincta) Monterosato, 1892 represented as Cernuella Schlüter, 1838
      15. Genus Xerofusca Monterosato, 1892 accepted as Cernuella Schlüter, 1838
      16. Genus Xerolaeta Monterosato, 1892 accepted as Cernuella Schlüter, 1838
      17. Genus Xerolauta Monterosato, 1892 accepted as Cernuella Schlüter, 1838
      18. Genus Xerolena Monterosato, 1892 accepted as Cernuella Schlüter, 1838
      19. Genus Xerolissa Monterosato, 1892 accepted as Cernuella Schlüter, 1838
      20. Genus Xerolutea Monterosato, 1892 accepted as Cernuella Schlüter, 1838
      21. Genus Xeromagna Monterosato, 1892 accepted as Xerosecta (Xeromagna) Monterosato, 1892 represented as Xerosecta Monterosato, 1892
      22. Genus Xeromoesta Monterosato, 1892 accepted as Xerosecta Monterosato, 1892
      23. Genus Xerotringa Monterosato, 1892 accepted as Cernuella Schlüter, 1838
      24. Genus Xerotropis Monterosato, 1892 accepted as Cernuella Schlüter, 1838 (unaccepted > junior subjective synonym)
      25. Genus Xerovaria Monterosato, 1892 accepted as Cernuella Schlüter, 1838
      26. Genus Xerovera Monterosato, 1892 accepted as Cernuella Schlüter, 1838
   2. Tribe Helicellini Ihering, 1909
      1. Genus Backeljaia Chueca, B. Gómez, Madeira & Pfenninger, 2018
      2. Genus Candidula Kobelt, 1871
      3. Genus Etruscotricha Cianfanelli, Chueca & Bodon, 2023
      4. Genus Helicella A. Férussac, 1821
      5. Genus Kherattolactea Ezzine, Bouaziz, De Mattia & Neubert, 2025
      6. Genus Orexana Chueca, B. Gómez, Madeira & Pfenninger, 2018
      7. Genus Xerogyra Monterosato, 1892
      8. Genus Xeroleuca Kobelt, 1877
      9. Genus Xeroplexa Monterosato, 1892
      10. Genus Xerotricha Monterosato, 1892
      11. Genus Zarateana Chueca, B. Gómez, Madeira & Pfenninger, 2018
      12. Genus Apicinana Fagot, 1891 accepted as Xerotricha Monterosato, 1892 (Senior subjective synonym of Xerotricha; a proposal to the ICZN is under preparation)
      13. Genus Castellana Hatch, Milton & Armitage, 1970 accepted as Xerotricha Monterosato, 1892 (unaccepted > junior subjective synonym)
      14. Genus Conspurcatiana Fagot, 1891 accepted as Xerotricha Monterosato, 1892 (Senior objective synonym of Xerotricha; a proposal to the ICZN is under preparation)
      15. Genus Jabalconia Ortiz de Zárate López, 1952 accepted as Xerotricha Monterosato, 1892
      16. Genus Planatella Clessin, 1876 accepted as Helicella A. Férussac, 1821 (unaccepted > junior subjective synonym)
      17. Genus Polytrichia Pallary, 1922 accepted as Xerotricha Monterosato, 1892
      18. Genus Pseudoxerotricha Ortiz de Zárate, 1950 accepted as Xerotricha Monterosato, 1892 (invalid; not C. R. Boettger, 1911)
      19. Genus Xeroalbina Monterosato, 1892 accepted as Candidula Kobelt, 1871 (unaccepted > junior objective synonym)
      20. Genus Xerocodia Monterosato, 1892 accepted as Candidula Kobelt, 1871 (unaccepted > junior subjective synonym)
      21. Genus Xerovaga Monterosato, 1892 accepted as Candidula Kobelt, 1871
   3. Tribe Helicopsini H. Nordsieck, 1987
      1. Genus Helicopsis Fitzinger, 1833
      2. Genus Pseudoxerophila Westerlund, 1879
      3. Genus Xerolenta Monterosato, 1892
      4. Genus Xeromunda Monterosato, 1892
      5. Genus Xeropicta Monterosato, 1892
      6. Genus Heliocopsis Fitzinger, 1833 accepted as Helicopsis Fitzinger, 1833 (incorrect subsequent spelling)
      7. Genus Martha A. J. Wagner, 1914 accepted as Helicopsis Fitzinger, 1833 (unaccepted > junior subjective synonym)
      8. Genus Striatella Westerlund, 1876 accepted as Helicopsis Fitzinger, 1833 (unaccepted > junior objective synonym)
      9. Genus Striatinella Clessin, 1876 accepted as Helicopsis Fitzinger, 1833 (unaccepted > junior objective synonym, Invalid: junior objective synonym of Helicopsis, with the same type species)
   4. Genus Kalitinaia Hudec & Lezhawa, 1967
   5. Tribe Plentuisini Razkin, B. Gómez, Prieto, Martínez-Ortí, Arrébola, Muñoz, Chueca & Madeira, 2015
      1. Genus Plentuisa Puente & Prieto, 1992
   6. Tribe Trochoideini H. Nordsieck, 1987
      1. Genus Trochoidea T. Brown, 1827
      2. Genus Xerocrassa Monterosato, 1892
      3. Genus Ereminella Pallary, 1919 accepted as Xerocrassa Monterosato, 1892 (unaccepted > junior subjective synonym)
      4. Genus Heldia P. Hesse, 1926 accepted as Xerocrassa Monterosato, 1892 (unaccepted > junior subjective synonym)
      5. Genus Ochthephila H. Beck, 1837 accepted as Trochoidea T. Brown, 1827 (unaccepted > junior subjective synonym)
      6. Genus Trochula Schlüter, 1838 accepted as Trochoidea T. Brown, 1827
      7. Genus Tropidocochlis Locard, 1893 accepted as Xerosecta Monterosato, 1892 (unaccepted > junior objective synonym)
      8. Genus Turricula H. Beck, 1837 accepted as Trochoidea T. Brown, 1827 (unaccepted > junior subjective synonym, Invalid: junior homonym of Turricula Schumacher, 1817 [Turridae])
      9. Genus Xerocauta Monterosato, 1892 accepted as Xerocrassa Monterosato, 1892
      10. Genus Xeroclausa Monterosato, 1892 accepted as Trochoidea (Xeroclausa) Monterosato, 1892 accepted as Xerocrassa (Xeroclausa) Monterosato, 1892 represented as Xerocrassa Monterosato, 1892
      11. Genus Xeroclivia Monterosato, 1892 accepted as Trochoidea T. Brown, 1827
      12. Genus Xerocochlea Monterosato, 1892 accepted as Trochoidea T. Brown, 1827
      13. Genus Xeronexa Monterosato, 1892 accepted as Trochoidea T. Brown, 1827
      14. Genus Xeroptyca Monterosato, 1892 accepted as Xerocrassa Monterosato, 1892
3. Genus Peridotitea Torres Alba, D. T. Holyoak, G. A. Holyoak, Vázquez Toro & Ripoll, 2018
4. Genus Heliomanes [sic] accepted as Helicella A. Férussac, 1821 (unaccepted > junior subjective synonym)
5. Subfamily Ochthephilinae Zilch, 1960 accepted as Geomitrini C. R. Boettger, 1909 (unavailable name: introduced in synonymy)
6. Subfamily Ponentininae Schileyko, 1991 accepted as Ponentinini Schileyko, 1991 (unaccepted > superseded rank)

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