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 Aeolidiina Eliot, 1910
           Superfamily Euaeolidioidea Odhner, 1968, nom. inval.
             Family Facelinidae Bergh, 1889
               Subfamily Favorininae Bergh, 1889
                 01 Genus Favorinus Gray, 1850
                 02 Genus Armanda Boss, 1982, orth. inval. see Genus Amanda Macnae, 1954
                 03 Genus Austraeolis Burn, 1962
                 04 Genus Babiella Boss, 1982, orth. inval. see Genus Babaiella Risso-Dominguez, 1964
                 05 Genus Bajaeolus Vaught, 1989, orth. inval. see Genus Bajaeolis Gosliner & Behrens, 1986
                 06 Genus Dicata Schmekel, 1967
                 07 Genus Dondice Marcus, 1958
                 08 Genus Echinopsole Macnae, 1954
                 09 Genus Facalana Bergh, 1888
                 10 Genus Globiferina Risbec, 1937
                 11 Genus Godiva Macnae, 1954
                 12 Genus Hermosita Gosliner & Behrens, 1986
                 13 Genus Jason Miller, 1974
                 14 Genus Nanuca Marcus, 1957
                 15 Genus Moumeaella Millard, 1996, orth. inval. see Genus Noumeaella Risbec, 1937
                 16 Genus Phyllodesmium Ehrenberg, 1831
                 17 Genus Phyllodesmopsis Boss, 1982, orth. inval. see Genus Phyllodesmiopsis Risso-Dominguez, 1964
                 18 Genus Sakuraeolis Baba, 1965
                 19 Genus Setoeolis Baba, 1965
                 20 Genus Shinaoelis Boss, 1982, orth. inval. see Genus Shinanoeolis Baba, 1965