1. Superfamily Abyssochrysoidea Tomlin, 1927
2. Superfamily Acteoninoidea Cossmann, 1895 †
3. Genus Boreioconus Guzhov, 2015 †
4. Superfamily Campaniloidea
5. Superfamily Cerithioidea J. Fleming, 1822
6. Family Coelostylinidae Cossmann, 1908 †
7. Genus Costasphaera Gründel & Nützel, 2015 †
8. Superfamily Epitonioidea S. S. Berry, 1910 (1812)
9. Family Lyocyclidae Thiele, 1925
10. Genus Nixipileolus Guzhov, 2015 †
11. Superfamily Orthonematoidea Nützel & Bandel, 2000 †
12. Superfamily Palaeostyloidea Wenz, 1938 †
13. Superfamily Peruneloidea Frýda & Bandel, 1997 †
14. Family Plicatusidae Pan & Erwin, 2002 †
15. Family Pseudomelaniidae R. Hoernes, 1884 †
16. Genus Sassenfjordia Kaim, Hryniewicz, C. Little & Nakrem, 2017 †
17. Superfamily Soleniscoidea Knight, 1931 †
18. Family Spanionematidae A. N. Golikov & Starobogatov, 1987 †
19. Genus Spirocyclus Wenz, 1938 †
20. Family Spirostylidae Cossmann, 1909 †
21. Superfamily Subulitoidea Lindström, 1884 †
22. Superfamily Triphoroidea J. E. Gray, 1847
23. Family Aqabarellidae Alhejoj, Bandel & Al-Najjar, 2016 accepted as Tornidae Sacco, 1896 (1884) (unavailable family name: based on an unavailable type genus name)
24. Superfamily Cerithiopsoidea accepted as Triphoroidea J. E. Gray, 1847
25. Genus Spirocyclina Kittl, 1894 † accepted as Spirocyclus Wenz, 1938 † (unaccepted > junior homonym, junior homonym of Spirocyclina Munier-Chalmas, 1887; Spirocyclus is a replacement name)
26. Family Trajanellidae Pchelintsev, 1951 † accepted as Pseudomelaniidae R. Hoernes, 1884 †
27. Suborder Heteroglossa
28. Suborder Ptenoglossa
29. Genus Dicolpus R. A. Philippi, 1887 † (uncertain > unassessed, junior homonym of Dicolpus Gerstaecker, 1884 (Insecta))

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