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 Aeolidiidae Gray, 1827
               1 Genus Aeolidia Cuvier, 1798
               2 Genus Aeolidiella Bergh, 1867
               3 Genus Baeolidia Bergh, 1888
               4 Genus Berghia Trinchese, 1877
               5 Genus Cerberilla Bergh, 1873
               6 Genus Spurilla Bergh, 1864
               7 Genus Pinufius Marcus & Marcus, 1959
               8 Genus Fenrisia Bergh, 1888 see Genus Cerberilla Bergh, 1873
               9 Genus Antonietta Schmekel, 1966