Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Heterobranchia Burmeister, 1837 see Superorder Heterobranchia Burmeister, 1837
       Informal Group Opisthobranchia Milne-Edwards, 1846 see Order Opisthobranchia Milne-Edwards, 1848
         Clade Nudipleura Wägele & Willan, 2000
           Subclade Nudibranchia Cuvier, 1814 see Order Nudibranchia Cuvier, 1814
             Clade Nudibranchia Dexiarchia Schrödl, Wägele & Willan, 2001
               Clade Cladobranchia Willan & Morton, 1984
                 Subclade Aeolidida Eliot, 1910
                   Superfamily Fionoidea Gray, 1857
                     Family Tergipedidae Bergh, 1889
                       1 Subfamily Tergipedinae Bergh, 1889
                       2 Subfamily Cuthoninae Odhner, 1934
                       3 Subfamily Precuthoninae Odhner, 1968