Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Superorder Archaeogastropoda Thiele, 1925
         Order Vetigastropoda Salvini-Plawen, 1980 - archaeogastropods s.l.
           Superfamily Trochoidea Rafinesque, 1815
             Family Turbinidae Rafinesque, 1815 - turban snails
               Subfamily Turbininae Rafinesque, 1815
                 Genus Bolma Risso, 1826
                   1 Subgenus Bolma Risso, 1826
                   2 Subgenus Senobolma Okutani, 1964