1. Subfamily Bucaniinae Ulrich & Scofield, 1897 †
   1. Genus Bucania J. Hall, 1847 †
   2. Genus Bucanopsina Horný, 1997 †
   3. Genus Eobucania T. Kobayashi, 1955 †
   4. Genus Grandostoma Horný, 1962 †
   5. Genus Kokenospira Bassler, 1915 †
   6. Genus Megalomphala Ulrich, 1897 †
   7. Genus Offleya Poulsen, 1974 †
   8. Genus Patellostium W. H. Waagen, 1880 †
   9. Genus Phragmolites Conrad, 1838 †
   10. Genus Kokenia Ulrich & Scofield, 1897 † accepted as Kokenospira Bassler, 1915 † (unaccepted > junior homonym, junior homonym of Kokenia Holzapfel, 1895 [Cephalopoda]; Kokenospira is a replacement name)
   11. Genus Loxobucania Knight, 1942 † accepted as Bucania J. Hall, 1847 † (unaccepted > junior subjective synonym)
   12. Supertribe Patellostomum W. H. Waagen, 1880 † accepted as Patellostium W. H. Waagen, 1880 † (unaccepted > misspelling - incorrect subsequent spelling)
2. Subfamily Plectonotinae Boucot & Yochelson, 1966 †
   1. Genus Atlantophon Horný, 1997 †
   2. Genus Plectonotus J. M. Clarke, 1899 †
   3. Genus Tetranota Ulrich & Scofield, 1897 †
   4. Genus Tritonophon Öpik, 1953 †
   5. Genus Nylanderina Boucot, 1967 † accepted as Tritonophon Öpik, 1953 † (unaccepted > junior subjective synonym)
3. Subfamily Salpingostomatinae Koken, 1925 †
   1. Genus Salpingostoma C. F. Roemer, 1876 †
4. Subfamily Undulabucaniinae Wahlman, 1992 †
   1. Genus Undulabucania Wahlman, 1992 †
5. Subfamily Grandostomatinae Horný, 1962 † accepted as Bucaniinae Ulrich & Scofield, 1897 † (unaccepted > junior subjective synonym)

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