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Panthalassa Ocean

In historical geology, Panthalassa, also known as the Panthalassic Ocean or Panthalassan Ocean (from Ancient Greek πᾶν (pan) 'all' and θάλασσα (thalassa) 'sea'), was the vast superocean that encompassed planet Earth and surrounded the supercontinent Pangaea, the latest in a series of supercontinents in the history of Earth.

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