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
           Dendronotoidea Sars, 1878 see Superfamily Tritonioidea Lamarck, 1809
          Count: 3f;4g;10s
             Family Hancockiidae MacFarland, 1923
            Count: -
               Genus Hancockia Gosse, 1877
              Count: 1s
                 Hanockia uncinata nom. null. see Hancockia uncinata (Hesse, 1872)
                Count: -