Photographer: Calvin J. Hamilton Copyright: © 2005 Calvin J. Hamilton Date: 2005/03/22 Location: Niobrara County, Wyoming

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• Nedoceratops

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Caption

Period: Late Cretaceous, 70-65 million years ago

This speciman had two prominent brow horns, unlike the Triceratops. It is the only know speciman of its kind which brings up questions as to whether it is a separate genus from Triceratops.