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 Cancellarioidea Forbes & Hanley, 1851
                   Family Cancellariidae Forbes & Hanley, 1851 - nutmeg snails
                     1 Subfamily Admetinae Troschel, 1865
                     2 Subfamily Cancellariinae Forbes & Hanley, 1851
                     3 Subfamily Plesiotritoninae Beu & Maxwell, 1987