Phylum Mollusca Linnaeus, 1758 - molluscs
   Subphylum Conchifera Gegenbauer, 1878
     Class Gastropoda Cuvier, 1795 - snails and slugs
       Subclass Orthogastropoda Ponder & Lindberg, 1995
         Superorder Vetigastropoda Salvini-Plawen, 1980 see Order Vetigastropoda Salvini-Plawen, 1980
           Superfamily Pleurotomarioidea Swainson, 1840
             Family Scissurellidae Gray, 1847
               1 Subfamily Schizotrochinae Iredale & McMichael, 1962 see Family Anatomidae McLean, 1989
               2 Subfamily Scissurellinae Gray, 1847
               3 Subfamily Temnocinclinae McLean, 1989 see Family Sutilizonidae McLean, 1989