What Did Dinosaurs Evolve From? - Dinosaur Facts For Kids
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What Did Dinosaurs Evolve From? - Dinosaur Facts For Kids
Dinosaurs evolved from ancient reptiles called archosaurs over a period of 40 plus million years. They came to be the dominant group around 200 million years ago in part due to the Triassic - Jurassic Extinction event at the time. Archosaurs are also the ancestors or pterosaurs, crocodilians and modern birds.
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