The Caledonian Ocean, also known as the Caledonian Sea, refers to a prehistoric ocean that existed during the Paleozoic Era, particularly during the Silurian and early Devonian periods, around 440 to 360 million years ago. It was situated between the continents of Laurentia (which is now part of North America and Greenland) and Baltica (which included parts of modern-day Europe and Scandinavia).
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