clade Euthyneura clade Nudipleura clade Nudibranchia clade Dexiarchia clade Cladobranchia Notaeolidia gigas is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Notaeolidiidae.
[2] This species was described from McMurdo Bay, Ross Sea, Antarctica.
It has been reported from a number of Antarctic localities at depths of 3–50 m.[3] [4]