Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Opisthobranchia Milne-Edwards, 1848 - opisthobranchs see Order Opisthobranchia Milne-Edwards, 1848
       Order Sacoglossa Ihering, 1876 - sacoglossans
         Suborder Tamanovalvina
           Superfamily Julioidea see Superfamily Oxynooidea Stoliczka, 1868 (1847)
             Family Juliidae Smith, 1885
               1 Subfamily Juliinae Smith, 1885 [monotypic]
               2 Subfamily Bertheliniinae Keen & Smith, 1961
               3 Subfamily Gougerotiinae Le Renard, 1980