Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
   Nudipleura Wägele & Willan, 2000
     Nudibranchia Cuvier, 1814 see Order Nudibranchia Cuvier, 1814
       Dexiarchia Schrödl, Wägele & Willan, 2001
         Cladobranchia Willan & Morton, 1984
           Aeolidoidea d'Orbigny, 1834 see Superfamily Aeolidioidea Gray, 1827
             1 Family Flabellinidae Bergh, 1889
             2 Family Piseinotecidae Edmunds, 1970
             3 Family Facelinidae Bergh, 1889
             4 Family Aeolidiidae Gray, 1827
             5 Family Eubranchidae Odhner, 1934
             6 Family Calmidae Iredale & O'Donoghue, 1923
             7 Family Tergipedidae Bergh, 1889
             8 Family Embletoniidae Pruvot-Fol, 1954