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 Pleurotomarioidea Swainson, 1840 [monotypic]
             Family Pleurotomariidae Swainson, 1840 - slit snails
               Subfamily Pleurotomarinae orth. inval. see Subfamily Pleurotomariinae Swainson, 1840
                 1 Genus Chelotia Fischer, 1885
                 2 Genus Entemnotrochus Fischer, 1885
                 3 Genus Mikadotrochus Lindholm, 1927
                 4 Genus Perotrochus Fischer, 1885