noun
a period of geological time that occurred approximately 251 to 199 million years ago, known for the first appearance of dinosaurs and the breakup of the supercontinent Pangaea
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The Triassic period occurred between 251 million and 201 million years ago.
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Hey, did you know dinosaurs first appeared in the Triassic period?
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The Triassic was when all the cool dinosaurs started popping up.
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Exploring the Triassic period is like taking a journey back in time to when dinosaurs roamed the Earth.