Name StatusApproved: NZGB Antarctic CommitteeFeatureBayNZ Gazette Reference2009 (77) p.1803DatumRSRGD2000GeoTag[1] PositionDescriptionA small semicircular bay 3 x 2km in Gerlache Inlet. Named in line with the theme of Gondwana. Tethys was a geologically past ocean of the same era.