Goniaeolis is a monotypic genus of sea slug, a nudibranch, a marine gastropod mollusc in the family Goniaeolididae containing the single species Goniaeolis typica. Goniaeolis is also the only genus within the family Goniaeolididae.

Gonieolis is the original spelling, but incorrect subsequent spelling Goniaeolis is conserved under Art. 33.3.1 of the Code. The synonymy with Goniaeolis lobata was discussed in detail by Odhner in 1922.

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