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
             Family Tergipedidae Bergh, 1889
               Genus Cuthona Alder & Hancock, 1855
                 1 Cuthona caerulea (Montagu, 1804)
                 2 Cuthona foliata (Forbes & Goodsir, 1838)
                 3 Cuthona amoena (Alder & Hancock, 1845)
                 4 Cuthona genovae (O'Donoghue, 1929)
                 5 Cuthona ocellata (Schmekel, 1966)
                 6 Cuthona thompsoni García et al., 1991