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 Littorinimorpha Pchelintsev, 1963
                 Superfamily Cypraeoidea Rafinesque, 1815
                   Family Ovulidae Fleming, 1822 - egg snails
                     1 Subfamily Ovulinae Fleming, 1822
                     2 Subfamily Simniinae Schilder, 1927 see Tribe Ovulini Fleming, 1822