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Panthalassa, also known as the Panthalassic or Panthalassan Ocean, (from Greek Ïá¾¶Î½ all and Î¸Î¬Î»Î±ÏÏÎ± sea), was the superocean that surrounded the supercontinent Pangaea. During the PaleozoicâMesozoic transition c. 250 Ma it occupied almost 70% of Earth's surface.
Europe sits to the east of the Atlantic Ocean, and south of the Arctic Ocean. The Atlantic Ocean separates Europe from North America. The continent of Europe shares its eastern border with another continent. This giant land mass is. . .outh America. South America also lies between the Atlantic and Pacific Oceans. South America is attached to North America by a small strip of land. Just like North America, the continent of South America sits to the east of the Pacific Ocean, and to the west of the Atlantic Ocean.