Stegosaurus' Bony Plates May Determine Sex

April 23, 2015 11:32 AM

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Stegosaurus were known for their spiked tails and armor-like exterior, and new research shows that their iconic bony plates may have determined the sex of these dinosaurs, according to new research.

During the Late Jurassic period roughly 150 million years ago, there were all sorts of Stegosaurus roaming the western United States. Some individuals had wide plates, some had tall, with the wide plates being up to 45 percent larger overall than the tall plates. University of Bristol researchers sa...

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