Dinosaurs roamed the northern hemisphere millions of years earlier than previously thought
1 Articles
1 Articles
Dinosaurs roamed the northern hemisphere millions of years earlier than previously thought
More than 230 million years ago, long before giant dinosaurs thundered across Earth, a chicken-sized creature walked near the equator in what is now Wyoming. That small but mighty dinosaur is changing how scientists understand the origin and spread of one of history’s most iconic groups of animals. For decades, paleontologists believed dinosaurs got their start in the southern half of the supercontinent Pangaea—Gondwana—then took millions of yea…
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