clade Euthyneura clade Nudipleura clade Nudibranchia clade Dexiarchia Goniaeolis is a monotypic genus of sea slug, a nudibranch, a marine gastropod mollusc in the family Goniaeolididae containing the single species Goniaeolis typica.

[4] Goniaeolis is also the only genus within the family Goniaeolididae.

[4] The synonymy with Goniaeolis lobata was discussed in detail by Odhner in 1922.

It has subsequently been reported from the Skagerrak,[2] the Hardangerfjord,[7] and at the mouth of the Trondheimsfjord.

[8] The species is known from 30 to 666 m.[6] External and internal anatomy was described by Nils Hjalmar Odhner in detail in 1922.