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Fastest:

Ornithomiminee

Meaning of Name: “bird mimic”
Period: Cretaceous Period (138 million to 65 million years ago)
Size:3 - 3.5 meters long
Weight: 100 - 175 kg
Location: Colorado, Utah, Canada

Resembling an ostrich, this dinosaur was estimated to run at a speed of 40-50 mph.


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