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 Nudibranchia Cuvier, 1814 - "true" nudibranchs
         Suborder Doridina Odhner, 1934
           Superfamily Eudoridoidea Vaught, 1989, nom. inval. see Superfamily Doridoidea Rafinesque, 1815
             Family Discodorididae Bergh, 1891
               Subfamily Discodoridinae Bergh, 1891 see Family Discodorididae Bergh, 1891
                 01 Genus Discodoris Bergh, 1877
                 02 Genus Anisodoris Bergh, 1898
                 03 Genus Carryodoris Vayssière, 1919
                 04 Genus Diaulula Bergh, 1878
                 05 Genus Dystylodoris Odhner, 1968
                 06 Genus Fracassa Bergh, 1878
                 07 Genus Nirva Bergh, 1905
                 08 Genus Nuvuca Marcus & Marcus, 1967
                 09 Genus Paradoris Bergh, 1884
                 10 Genus Phialodoris Bergh, 1890
                 11 Genus Sebadoris Marcus & Marcus, 1960
                 12 Genus Thordisa Bergh, 1877