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When did the Permian Period begin and end?
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Permian Period
Distribution of landmasses, mountainous regions, shallow seas, and deep ocean basins near the end of the Permian Period. Included in the paleogeographic reconstruction are the locations of the interval's subduction zones.
The Permian Period, which serves as the final interval of the Paleozoic Era, began 298.9 million years ago and ended 252.2 million years ago.12
This period followed the Carboniferous Period and preceded the Triassic Period, marking a significant transition in Earth's geologic time.2