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 Trochidae Rafinesque, 1815 - top snails
               Subfamily Thysanodontinae Marshall, 1988
                 1 Genus Thysanodonta Marshall, 1988
                 2 Genus Carinastele Marshall, 1988
                 3 Genus Herbertina Marshall, 1988, nom. illeg. see Genus Bruceina Özdikmen, 2013