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 Anadoridoidea Vaught, 1989, nom. inval.
             Family Onchidorididae Gray, 1827
               01 Genus Onchidoris Blainville, 1816
               02 Genus Acanthodoris Gray, 1850
               03 Genus Aciodoris Martens, 1881, nom. illeg. see Genus Akiodoris Bergh, 1879
               04 Genus Adalaria Bergh, 1878
               05 Genus Arctadalaria Roginskaya, 1971
               06 Genus Armodoris Minichev, 1972
               07 Genus Calycidoris Abraham, 1876
               08 Genus Diaphorodoris Iredale & O'Donoghue, 1923
               09 Genus Doridunculus Sars, 1878
               10 Genus Prodoridunculus Thiele, 1912