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
Dendronotoidea Sars, 1878
see Superfamily Tritonioidea Lamarck, 1809
1 Family Tritoniidae Lamarck, 1809
2 Family Hancockiidae MacFarland, 1923
3 Family Dotoidae J.E. Gray, 1853
see Family Dotidae Gray, 1853