FRIEDRICH SAURER / SCIENCE PHOTO LIBRARY FRIEDRICH SAURER / SCIENCE PHOTO LIBRARY
Monolophosaurus dinosaur. Computer artwork of a Monolophosaurus, a carnivorous dinosaur that lived in the Late Jurassic Period (150-135 million years ago). It was named for the single crest on top of its skull. The area that Monolophosaurus was found, in Xinjiang, China, showed signs of water, making it possible that this dinosaur lived on lake or ocean shores.
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