noun
a geological era that lasted from about 252 to 66 million years ago, known for the dominance of dinosaurs
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The Mesozoic era is known for the dominance of dinosaurs and the rise of flowering plants.
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Back in the Mesozoic times, dinosaurs ruled the earth.
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The Mesozoic period was like, totally the heyday for dinosaurs.
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Exploring the Mesozoic era is like stepping into a time machine to witness the reign of ancient creatures.