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
1 Dendronotoidea Sars, 1878
see Superfamily Tritonioidea Lamarck, 1809
2 Arminoidea Iredale & O'Donoghue, 1923 (1841)
3 Aeolidoidea d'Orbigny, 1834
see Superfamily Aeolidioidea Gray, 1827