Mollusca Linnaeus, 1758 - molluscs
   Gastropoda Cuvier, 1795 - snails and slugs
     Opisthobranchia Milne-Edwards, 1848 - opisthobranchs see Order Opisthobranchia Milne-Edwards, 1848
       Sacoglossa Ihering, 1876 - sacoglossans
         Tamanovalvina
           Julioidea see Superfamily Oxynooidea Stoliczka, 1868 (1847)
             Juliidae Smith, 1885
               Bertheliniinae Keen & Smith, 1961
                 Midorigai Burn, 1960