Galvinella antarctica is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Eubranchidae.Korshunova T.; Fletcher K.; Martynov A. (2025). The endless forms are the most differentiated—how taxonomic pseudo-optimization masked natural diversity and evolution: the nudibranch case Zoological Journal of the Linnean Society, Volume 204, Issue 4, August 2025, zlaf057,
Distribution This species was described from Winter Quarters Bay, Ross Sea, Antarctica. It has been found on several occasions in McMurdo Sound, Ross Sea, Antarctica .Valdés Á., Moran A.L. & Woods H.A. (2012). Revision of several poorly known Antarctic aeolid nudibranch species (Mollusca: Gastropoda), with the description of a new species. Journal of the Marine Biological Association of the United Kingdom 92(5): 1161-1174.
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