Gymnogonos antarcticus (Pfeffer, 1889) species inquirenda
Synonyms in the area: Corymorpha antarctica Pfeffer, 1889; Blanco 1994a [polyp]. Remarks: see Stepanjants & Svoboda (2008) for more considerations concerning the taxonomic status of the species.
Distribution in South America: polyp—Atlantic Ocean, at South Georgia Island (Pfeffer 1889; Blanco 1994a).