1. Subfamily Megalobuliminae Leme, 1973
   1. Genus Megalobulimus K. Miller, 1878
   2. Genus Borus Albers, 1850 accepted as Megalobulimus K. Miller, 1878 (unaccepted > junior homonym, Invalid: not Agassiz, 1846 [Coleoptera])
   3. Genus Phaiopharus Morretes, 1955 accepted as Megalobulimus K. Miller, 1878 (unaccepted > junior subjective synonym)
   4. Genus Psiloicus Morretes, 1952 accepted as Megalobulimus K. Miller, 1878 (unaccepted > junior homonym)
2. Subfamily Strophocheilinae Pilsbry, 1902
   1. Genus Austroborus Parodiz, 1949
   2. Genus Catracca Simone, 2022
   3. Genus Chiliborus Pilsbry, 1926
   4. Genus Mirinaba Morretes, 1952
   5. Genus Speironepion Bequaert, 1948
   6. Genus Strophocheilus Spix, 1827
   7. Genus Coniclus Albers, 1850 accepted as Strophocheilus Spix, 1827 (unaccepted > junior subjective synonym)
   8. Genus Goniostomus auct. accepted as Gonyostomus H. Beck, 1837 (incorrect subsequent spelling)
   9. Genus Gonyostoma Swainson, 1840 accepted as Gonyostomus H. Beck, 1837
   10. Genus Metara Morretes, 1952 accepted as Mirinaba Morretes, 1952
   11. Genus Strophochilus [sic] accepted as Strophocheilus Spix, 1827 (unaccepted > misspelling - incorrect subsequent spelling)
3. Subfamily Strophocheilidae incertae sedis (temporary name)
   1. Genus Eoborus Klappenbach & Olazarri, 1970 †
   2. Genus Maghrebiola Kadolsky & Hammouda, 2017 †

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