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 Phyllidioidea Rafinesque, 1814
             1 Family Phyllidiidae Rafinesque, 1814
             2 Family Dendrodorididae O'Donoghue, 1924 (1864)
             3 Family Iduliidae Iredale & O'Donoghue, 1923 see Family Dotidae Gray, 1853