1. Genus Antarcticinella Salmon, 1965
2. Genus Antarctophorus Potapov, 1992
3. Subfamily Anurophorinae Börner, 1901
   1. Genus Aggressopygus Potapov & Babenko, 2014
   2. Genus Appendisotoma Stach, 1947
   3. Genus Arlea Womersley, 1939
   4. Genus Blissia Rusek, 1985
   5. Genus Cylindropygus Deharveng, Potapov & Bedos, 2005
   6. Genus Dagamaea Yosii, 1965
   7. Genus Dimorphacanthella Potapov, Bu, Huang, Gao & Luan, 2010
   8. Genus Gnathofolsomia Deharveng & Christian, 1984
   9. Genus Haploisotoma de Izarra, 1965
   10. Genus Hemisotoma Bagnall, 1949
   11. Genus Heptacanthella Gao, Potapov & Bu, 2022
   12. Genus Isotomiella Bagnall, 1939
   13. Genus Isotominella Delamare Deboutteville, 1948
   14. Genus Isotomodes Axelson, 1907
   15. Genus Jesenikia Rusek, 1997
   16. Genus Martynovella Deharveng, 1979
   17. Genus Micranurophorus Bernard, 1977
   18. Genus Micrisotoma Bellinger, 1952
   19. Genus Mucracanthus Stebaeva, 1976
   20. Genus Octodontophora Tshelnokov, 1990
   21. Genus Pauropygus Potapov, Gao & Deharveng, 2013
   22. Genus Pectenisotoma Gruia, 1983
   23. Genus Pentacanthella Deharveng, 1979
   24. Genus Proctostephanus Börner, 1902
   25. Genus Proisotomodes Bagnall, 1949
   26. Genus Pseudanurophorus Stach, 1922
   27. Genus Pseudofolsomia Martynova, 1967
   28. Genus Rhodanella Salmon, 1945
   29. Genus Sahacanthella Potapov & Stebaeva, 1995
   30. Genus Secotomodes Potapov, 1988
   31. Genus Sibiracanthella Potapov & Stebaeva, 1995
   32. Genus Stachanorema Wray, 1957
   33. Genus Tetracanthella Schött, 1891
   34. Genus Tiancanthella Rusek, 1979
   35. Genus Tuvia Grinbergs, 1962
   36. Genus Uzelia Absolon, 1901
   37. Genus Womersleyella Salmon, 1944
   38. Genus Yosiiella Hüther, 1967
4. Genus Anurophorus Nicolet, 1842
5. Genus Archisotoma Linnaniemi, 1912
6. Genus Axelosonia Börner, 1906
7. Genus Axelsonia Börner, 1906
8. Genus Chionobora Greenslade & Potapov, 2015
9. Genus Cryptopygus Willem, 1901
10. Genus Desoria Agassiz & Nicolet in Desor, 1841
11. Genus Folsomia Willem, 1902
12. Genus Folsomotoma Bagnall, 1949
13. Genus Gnathisotoma Cassagnau, 1957
14. Genus Isotoma Bourlet, 1839
15. Subfamily Isotominae Schäffer, 1896
    1. Genus Aackia Yosii, 1966
    2. Genus Acanthomurus Womersley, 1934
    3. Genus Agrenia Börner, 1906
    4. Genus Araucanocyrtus Massoud & Rapoport, 1968
    5. Genus Azoritoma Greenslade & Potapov, 2008
    6. Genus Cheirotoma Bagnall, 1949
    7. Genus Halisotoma Bagnall, 1949
    8. Genus Heteroisotoma Stach, 1947
    9. Genus Hydroisotoma Stach, 1947
    10. Genus Isotomedia Salmon, 1944
    11. Genus Marisotoma Fjellberg, 1997
    12. Genus Metisotoma Maynard, 1951
    13. Genus Misturasotoma Bernard & Christiansen, 2010
    14. Genus Mucronia Fjellberg, 2010
    15. Genus Myopia Christiansen & Bellinger, 1980
    16. Genus Najtia Arlé & Mendonça, 1986
    17. Genus Paracerura Deharveng & de Oliveira, 1994
    18. Genus Procerura Salmon, 1941
    19. Genus Protodesoria Christiansen & Nascimbene, 2006
    20. Genus Protoisotoma Christiansen & Pike, 2002
    21. Genus Psammisotoma Greenslade & Deharveng, 1986
    22. Genus Pseudisotoma Handschin, 1924
    23. Genus Pseudosorensia de Izarra, 1972
    24. Genus Pteronychella Börner, 1909
    25. Genus Rhyniella Hirst & Maulik, 1926
    26. Genus Semicerura Maynard, 1951
    27. Genus Sericeotoma Potapov, 1991
    28. Genus Setocerura Salmon, 1949
    29. Genus Skadisotoma Greenslade & Fjellberg, 2015
    30. Genus Spinocerura Salmon, 1941
    31. Genus Tibiolatra Salmon, 1941
    32. Genus Tomocerura Wahlgren, 1901
    33. Genus Vertagopus Börner, 1906
16. Genus Isotomurus Börner, 1903
17. Genus Kaylathalia Stevens & D'Haese, 2016
18. Genus Mucrosomia Bagnall, 1949
19. Subfamily Pachyotominae Potapov, 2001
    1. Genus Bonetrura Christiansen & Bellinger, 1980
    2. Genus Coloburella Latzel, 1917
    3. Genus Jestella Najt, 1978
    4. Genus Pachyotoma Bagnall, 1949
    5. Genus Paranurophorus Denis, 1929
    6. Genus Propachyotoma Christiansen & Nascimbene, 2006
20. Genus Parisotoma Bagnall, 1940
21. Genus Proisotoma Börner, 1901
22. Subfamily Proisotominae Stach, 1947
    1. Genus Bagnallella Salmon, 1951
    2. Genus Ballistura Börner, 1906
    3. Genus Bellisotoma Soto-Adames, Giordano & Christiansen, 2013
    4. Genus Burmisotoma Christiansen & Nascimbene, 2006
    5. Genus Clavisotoma Ellis, 1970
    6. Genus Cliforga Wray, 1952
    7. Genus Ephemerotoma Potapov, Kahrarian, Deharveng & Shayanmehr, 2015
    8. Genus Folsomides Stach, 1922
    9. Genus Folsomina Denis, 1931
    10. Genus Granisotoma Stach, 1947
    11. Genus Isotomodella Martynova, 1968
    12. Genus Isotopenola Potapov, Babenko, Fjellberg & Greenslade, 2009
    13. Genus Mucrotoma Rapoport & Rubio, 1963
    14. Genus Narynia Martynova, 1967
    15. Genus Scutisotoma Bagnall, 1949
    16. Genus Strenzketoma Potapov, Babenko & Fjellberg, 2006
    17. Genus Subisotoma Stach, 1947
    18. Genus Villusisotoma Christiansen & Nascimbene, 2006
    19. Genus Weberacantha Christiansen, 1951
23. Genus Gressittacantha Wise, 1967 accepted as Cryptopygus Willem, 1901
24. Genus Neocryptopygus accepted as Cryptopygus Willem, 1901

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