1. Genus Barbadoschiton Sirenko & B. Anseeuw, 2024
2. Genus Connexochiton Kaas, 1979
3. Genus Ischnochiton J. E. Gray, 1847
4. Subfamily Ischnochitoninae Dall, 1889
   1. Genus Anisoradsia Iredale & May, 1916 accepted as Ischnochiton J. E. Gray, 1847 (synonym)
   2. Genus Autochiton Iredale & Hull, 1924 accepted as Ischnochiton J. E. Gray, 1847 (junior subjective synonym)
   3. Genus Chartoplax Iredale & Hull, 1924 accepted as Ischnochiton J. E. Gray, 1847 (synonym)
   4. Genus Chondropleura Thiele, 1906 accepted as Stenosemus Middendorff, 1847 (unaccepted > junior subjective synonym)
   5. Genus Haploplax Pilsbry, 1894 accepted as Ischnochiton J. E. Gray, 1847 (synonym)
   6. Genus Lepidopleuroides Thiele, 1928 accepted as Stenosemus Middendorff, 1847 (unaccepted > junior objective synonym, objective synonym)
   7. Genus Lophyrochiton Yakovleva, 1952 accepted as Stenosemus Middendorff, 1847 (objective synonym)
   8. Genus Lophyrus G. O. Sars, 1878 accepted as Stenosemus Middendorff, 1847
5. Genus Lepidozona Pilsbry, 1892
6. Genus Pterygochiton Rochebrune, 1883 †
7. Genus Radsiella Pilsbry, 1892
8. Genus Stenochiton H. Adams & Angas, 1864
9. Genus Stenoplax P. P. Carpenter, 1879
10. Genus Stenosemus Middendorff, 1847
11. Genus Subterenochiton Iredale & Hull, 1924
12. Genus Thermochiton Saito & Okutani, 1990
13. Genus Tonicina Thiele, 1906
14. Genus Tripoplax S. S. Berry, 1919
15. Genus Basiliochiton S. S. Berry, 1918 accepted as Dendrochiton S. S. Berry, 1911
16. Genus Bathychiton Dell'Angelo & Palazzi, 1988 accepted as Connexochiton Kaas, 1979 (unaccepted > junior subjective synonym)
17. Subfamily Callistoplacinae Pilsbry, 1893 accepted as Callistoplacidae Pilsbry, 1893 (original combination)
    1. Genus Lophochiton Ashby, 1923 accepted as Callistochiton P. P. Carpenter, 1879 (junior synonym)
18. Genus Gurjanovillia Yakovleva, 1952 accepted as Tripoplax S. S. Berry, 1919 (junior synonym)
19. Genus Heterozona P. P. Carpenter, 1879 accepted as Ischnochiton (Heterozona) P. P. Carpenter, 1879 represented as Ischnochiton J. E. Gray, 1847
20. Genus Ischnoradsia Shuttleworth, 1853 accepted as Ischnochiton (Ischnoradsia) Shuttleworth, 1853 represented as Ischnochiton J. E. Gray, 1847
21. Genus Lepidoradsia P. P. Carpenter, 1879 accepted as Ischnoradsia Shuttleworth, 1853 accepted as Ischnochiton (Ischnoradsia) Shuttleworth, 1853 represented as Ischnochiton J. E. Gray, 1847 (junior objective synonym)
22. Genus Leptopleura Thiele, 1893 accepted as Stenoplax P. P. Carpenter, 1879 (unaccepted > junior subjective synonym)
23. Genus Lophyriscus Thiele, 1893 accepted as Ischnochiton J. E. Gray, 1847 (unaccepted > junior subjective synonym)
24. Genus Lophyropsis Thiele, 1893 accepted as Ischnochiton J. E. Gray, 1847 (synonym)
25. Genus Maugerella P. P. Carpenter, 1879 accepted as Stenoplax P. P. Carpenter, 1879
26. Genus Paricoplax Iredale & Hull, 1929 accepted as Callochiton J. E. Gray, 1847 (synonym)
27. Genus Radsiella Thiele, 1893 accepted as Ischnochiton J. E. Gray, 1847 (unaccepted > junior subjective synonym, Invalid: junior homonym of Radsiella Pilsbry, 1892)
28. Genus Rhodoplax Thiele, 1893 accepted as Ischnochiton J. E. Gray, 1847 (unaccepted > junior subjective synonym)
29. Genus Stenoradsia P. P. Carpenter, 1879 accepted as Stenoplax (Stenoradsia) P. P. Carpenter, 1879 represented as Stenoplax P. P. Carpenter, 1879 (original combination)
30. Genus Strigichiton Hull, 1923 accepted as Ischnochiton J. E. Gray, 1847 (unaccepted > junior subjective synonym)
31. Genus Variolepis Plate, 1899 accepted as Chaetopleura Shuttleworth, 1853
32. Genus Zostericola Ashby, 1919 accepted as Stenochiton H. Adams & Angas, 1864

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