1. Family Batillariidae Thiele, 1929
2. Family Brachytrematidae Cossmann, 1906 †
3. Family Cerithiidae J. Fleming, 1822
4. Family Dialidae Kay, 1979
5. Family Diastomatidae Cossmann, 1894
6. Family Eustomatidae Cossmann, 1906 †
7. Family Hemisinidae P. Fischer & Crosse, 1891
8. Family Ladinulidae Bandel, 1992 †
9. Family Litiopidae Gray, 1847
10. Family Maoraxidae Bandel, Gründel & P. A. Maxwell, 2000 †
11. Family Melanopsidae H. Adams & A. Adams, 1854
12. Family Modulidae P. Fischer, 1884
13. Family Pachychilidae P. Fischer & Crosse, 1892
14. Family Pelycidiidae Ponder & S. J. Hall, 1983
15. Family Pickworthiidae Iredale, 1917
16. Family Planaxidae J. E. Gray, 1850
17. Family Popenellidae Bandel, 1992 †
18. Family Potamididae H. Adams & A. Adams, 1854
19. Family Procerithiidae Cossmann, 1906 †
20. Family Propupaspiridae Nützel, Pan & Erwin, 2002 †
21. Family Prostyliferidae Bandel, 1992 †
22. Family Scaliolidae Jousseaume, 1912
23. Family Semisulcospiridae J. P. E. Morrison, 1952
24. Family Sherborniidae Iredale, 1917
25. Family Siliquariidae Anton, 1838
26. Family Thiaridae Gill, 1871 (1823)
27. Family Turritellidae Lovén, 1847
28. Family Zemelanopsidae Neiber & Glaubrecht, 2019
29. Family Alabinidae Dall, 1927 accepted as Bittiinae Cossmann, 1906
30. Family Archimediellidae Starobogatov, 1982 accepted as Turritellidae Lovén, 1847
31. Family Cerithideidae Houbrick, 1988 accepted as Potamididae H. Adams & A. Adams, 1854
32. Family Faxiidae Ravn, 1933 † accepted as Sherborniidae Iredale, 1917
33. Family Fossaridae A. Adams, 1860 accepted as Fossarinae A. Adams, 1860 (original rank)
34. Family Glauconiidae Pchelintsev, 1953 † accepted as Cassiopidae Beurlen, 1967 † (invalid: type genus a junior homonym of Glauconia Gray, 1845 [Reptilia])
35. Family Melanatriidae Thiele, 1921 accepted as Pachychilidae P. Fischer & Crosse, 1892
36. Family Obtortionidae Thiele, 1925 accepted as Scaliolidae Jousseaume, 1912
37. Family Omalaxidae Cossmann, 1916 † accepted as Omalaxinae Cossmann, 1916 †
38. Family Pachymelaniidae Bandel & Kowalke, 1999 accepted as Hemisinidae P. Fischer & Crosse, 1891
39. Family Prisciphoridae Bandel, Gründel & P. A. Maxwell, 2000 † accepted as Eumetulinae A. N. Golikov & Starobogatov, 1975
40. Family Pyrazidae Hacobjan, 1972 accepted as Batillariidae Thiele, 1929
41. Family Reynellonidae Iredale, 1917 accepted as Pickworthiinae Iredale, 1917
42. Family Styliferinidae Bandel, 1992 accepted as Litiopidae Gray, 1847 (not available: no description)
43. Family Telescopiidae J. K. Allan, 1950 accepted as Potamididae H. Adams & A. Adams, 1854
44. Family Tenagodidae Gill, 1871 accepted as Siliquariidae Anton, 1838
45. Family Terebrellidae Delpey, 1941 † accepted as Metacerithiidae Cossmann, 1906 † (invalid: type genus a junior homonym )
46. Family Vermiculariidae Dall, 1915 accepted as Turritellinae Lovén, 1847
47. Family Cerithioidea incertae sedis (temporary name)

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