Mollusca Linnaeus, 1758 - molluscs
   Gastropoda Cuvier, 1795 - snails and slugs
     Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Neogastropoda Wenz, 1938 see Suborder Neogastropoda Wenz, 1938
         Stenoglossa Bouvier, 1887
           Conoidea Fleming, 1822
             Conidae Fleming, 1822 - cone snails
               Clathurellinae Adams & Adams, 1858
                 'bathytomid' group of genera
                   Bathytoma Harris & Burrows, 1891
                     Parabathytoma Shuto, 1961