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
               Subfamily Bertheliniinae Keen & Smith, 1961
                 1 Genus Berthelinia Crosse, 1875
                 2 Genus Edenttellina Gatliff & Gabriel, 1911
                 3 Genus Midorigai Burn, 1960
                 4 Genus Namnetia Cossmann, 1905
                 5 Genus Tamanovalva Kawaguti & Baba, 1959