 Personified, in Greek Mythology, as Oceanus, son of Uranus and Gaia and husband of Tethys.Zealandia (), also known as the New Zealand continent or Tasmantis, is a nearly submerged continental fragment that sank after breaking away from Australia 60–85 Ma (million years) ago, and most of it (93%) remains submerged beneath the Pacific Ocean.It derives its name from the island country of New Zealand which occupies the vast majority of its non-submerged land.