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 Triophidae Odhner, 1941 see Tribe Triophini Odhner, 1941
               1 Subfamily Triophinae Odhner, 1941
               2 Subfamily Kalinginae Pruvot-Fol, 1956 [monotypic]