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Anonymous
Dinosaurs lived from 231.4 million years ago to 65.5 million years ago, which falls entirely in the Mesozoic era. The Mesozoic is divided into the periods, the Triassic, Jurassic, and Cretaceous.
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The late Jurassic-early Cretaceous Period towards the end of the Mesozoic Era(225-65 million years ago).
The Mesozoic era.
The Mesozoic Era