1. Genus Anculopsis Yen, 1947 †
2. Genus Athearnia J. P. E. Morrison, 1971
3. Genus Carbonispira Yen, 1949 †
4. Genus Cassiopella C. A. White, 1877 †
5. Genus Circamelania Yen, 1951 †
6. Genus Elimia H. Adams & A. Adams, 1854
7. Genus Gyrotoma Shuttleworth, 1845
8. Genus Io I. Lea, 1831
9. Genus Leptoxis Rafinesque, 1819
10. Genus Lithasia Haldeman, 1840
11. Genus Lithasiopsis Pilsbry, 1910
12. Genus Pleurocera Rafinesque, 1818
13. Genus Alleghenya Clench & Boss, 1967 accepted as Leptoxis Rafinesque, 1819
14. Genus Ambloxus Hannibal, 1912 accepted as Elimia H. Adams & A. Adams, 1854
15. Genus Anaplocamus Dall, 1896 accepted as Leptoxis Rafinesque, 1819 (unaccepted > junior subjective synonym)
16. Genus Anculosa Say, 1821 accepted as Leptoxis Rafinesque, 1819 (junior synonym)
17. Genus Anculotus Conrad, 1834 accepted as Anculosa Say, 1821 accepted as Leptoxis Rafinesque, 1819 (incorrect subsequent spelling of Anculosa)
18. Genus Ancylotus Herrmannsen, 1846 accepted as Anculosa Say, 1821 accepted as Leptoxis Rafinesque, 1819 (invalid: unjustified emendation of Anculosa)
19. Genus Angitrema Haldeman, 1841 accepted as Lithasia Haldeman, 1840 (junior synonym)
20. Genus Ceriphasia Swainson, 1840 accepted as Pleurocera Rafinesque, 1818 (unaccepted > junior subjective synonym)
21. Genus Ellipstoma Rafinesque, 1818 accepted as Lithasia Haldeman, 1840 (suppressed by ICZN Opinion 2093)
22. Genus Eurycaelon I. Lea, 1864 accepted as Lithasia Haldeman, 1840 (unaccepted > junior subjective synonym)
23. Genus Goniobasis I. Lea, 1862 accepted as Elimia H. Adams & A. Adams, 1854 (unaccepted > junior subjective synonym)
24. Subfamily Gyrotominae Hannibal, 1912 accepted as Pleuroceridae P. Fischer, 1885 (1863)
25. Genus Macrolimen I. Lea, 1863 accepted as Elimia H. Adams & A. Adams, 1854
26. Genus Melasma H. Adams & A. Adams, 1854 accepted as Elimia H. Adams & A. Adams, 1854 (unaccepted > junior subjective synonym)
27. Genus Meseschiza I. Lea, 1864 accepted as Lithasia Haldeman, 1840 (junior synonym)
28. Genus Mudalia Haldeman, 1840 accepted as Leptoxis Rafinesque, 1819 (unaccepted > junior subjective synonym)
29. Genus Oxymelania Crosse & P. Fischer, 1892 accepted as Pachychilus (Oxymelania) Crosse & P. Fischer, 1892 represented as Pachychilus I. Lea & H. C. Lea, 1851
30. Genus Oxytrema Rafinesque, 1819 accepted as Pleurocera Rafinesque, 1818
31. Genus Pleuroceras Cossmann, 1909 accepted as Pleurocera Rafinesque, 1818 (unjustified emendation of Pleurocera)
32. Genus Pleurocerus accepted as Pleurocera Rafinesque, 1818 (incorrect subsequent spelling)
33. Genus Schizocheilus P. Fischer, 1885 accepted as Gyrotoma Shuttleworth, 1845 (unjustified emendation)
34. Genus Schizochilus I. Lea, 1852 accepted as Gyrotoma Shuttleworth, 1845 (invalid: junior homonym of Schizochilus Gray, 1832)
35. Genus Schizostoma I. Lea, 1843 accepted as Gyrotoma Shuttleworth, 1845 (invalid: junior homonym of Schizostoma Bronn, 1835; Schizochilus I. Lea, 1852 is a replacement name and itself a junior homonym)
36. Genus Strephobasis I. Lea, 1861 accepted as Pleurocera Rafinesque, 1818 (junior synonym)
37. Genus Strepoma Haldeman, 1864 accepted as Pleurocera Rafinesque, 1818
38. Genus Telescopella Gray, 1847 accepted as Pleurocera Rafinesque, 1818
39. Genus Trypanostoma I. Lea, 1862 accepted as Pleurocera Rafinesque, 1818 (junior synonym)
40. Genus Melafusus Swainson, 1840 (uncertain > nomen dubium, briefly described but no species included)

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