Chapter 22 - Section 22.5 - Geologic History of the Phanerozoic: The Formation of Earth’s Modern Continents - Concept Checks - Page 684: 1

The supercontinent Pangaea came into existence during the Late Paleozoic era, specifically in the Permian period, around 300 million years ago. It began to break apart during the Mesozoic era, specifically in the Jurassic period, around 200 million years ago. The breakup of Pangaea led to the formation of separate continents that gradually drifted to their present positions.

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