Phylum Mollusca Linnaeus, 1758 - molluscs
   Subphylum Conchifera Gegenbauer, 1878
     Class Gastropoda Cuvier, 1795 - snails and slugs
       Subclass Orthogastropoda Ponder & Lindberg, 1995
         Superorder Caenogastropoda Cox, 1960
           Order Sorbeoconcha Ponder & Lindberg, 1997
             Suborder Hypsogastropoda Ponder & Lindberg, 1997
               Infraorder Neogastropoda Wenz, 1938
                 Superfamily Muricoidea Rafinesque, 1815
                   Family Cystiscidae Stimpson, 1865
                     1 Subfamily Cystiscinae Stimpson, 1865
                     2 Subfamily Granulininae Coovert & Coovert, 1995
                     3 Subfamily Persiculinae Coovert & Coovert, 1995
                     4 Subfamily Plesiocystiscinae Coovert & Coovert, 1995