Goniaeolis is a monotypic genus of sea slug, a nudibranch, a marine gastropod mollusc in the family Goniaeolididae containing the single species Goniaeolis typica.Gofas, S. (2014). Goniaeolis typica Sars M., 1861. Accessed through: World Register of Marine Species on 2015.2.15 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.
Distribution It is endemic to Scandinavian waters. This species was described from Kristiansund, Norway. It has subsequently been reported from the Skagerrak,Odhner N. H. (1907). "Northern and arctic invertebrates in the collection of the Swedish state museum (Riksmuseum). III. Opisthobranchia and Pteropoda". K. svenska Vetensk.-Akad. Hand. 41(): 1-118. page 8, page 18. the Hardangerfjord,Sars G. O. (1872). "On some remarkable forms of animal life from the great deeps off the Norwegian coast. I. partly from posthumous manuscripts of the late Professor Michael Sars." University-program for the 1st half-year 1869, pp. 1-82, pls. 1-6. Christiania. Nudibranchia pp. 35-40, plate 4, figs. 1-11. and at the mouth of the Trondheimsfjord.Odhner N. H. (1939). "Opisthobranchiate mollusca from the western and northern coasts of Norway". Kgl. Norske Vidensk. Selsk. Skrift. 1939: 1-92. The species is known from 30 to 666 m.Evertsen J. & Bakken T. (2005). "Nudibranch diversity (Heterobranchia, Gastropoda) along the coast of Norway". Fauna norvegica 25: 1-37. PDF.
Description External and internal anatomy was described by Nils Hjalmar Odhner in detail in 1922.Odhner N. H. (1922). "Norwegian opisthobranchiate Mollusca in the collections of the Zoological Museum of Kristiania". Nyt Magazin for Naturvidenskaberne 60: 1-47.
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