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 Glaucidae Gray, 1827, nom. protect.
               Subfamily Glaucinae Gray, 1827 see Family Glaucidae Gray, 1827, nom. protect.
                 Genus Glaucus Forster, 1777