Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
Count: 27f;47g;81s
   Nudipleura Wägele & Willan, 2000
  Count: -
     Nudibranchia Cuvier, 1814 see Order Nudibranchia Cuvier, 1814
    Count: 20f;38g;65s
       Dexiarchia Schrödl, Wägele & Willan, 2001
      Count: 12f;19g;35s
         Cladobranchia Willan & Morton, 1984
        Count: 12f;19g;35s
           Aeolidoidea d'Orbigny, 1834 see Superfamily Aeolidioidea Gray, 1827
          Count: 8f;14g;24s
             1 Family Flabellinidae Bergh, 1889
            Count: -
             2 Family Piseinotecidae Edmunds, 1970
            Count: -
             3 Family Facelinidae Bergh, 1889
            Count: -
             4 Family Aeolidiidae Gray, 1827
            Count: -
             5 Family Eubranchidae Odhner, 1934
            Count: -
             6 Family Calmidae Iredale & O'Donoghue, 1923
            Count: -
             7 Family Tergipedidae Bergh, 1889
            Count: -
             8 Family Embletoniidae Pruvot-Fol, 1954
            Count: -