JIM WEST / SCIENCE PHOTO LIBRARY JIM WEST / SCIENCE PHOTO LIBRARY
Theropod dinosaur fossils display. Theropod dinosaurs were carnivorous predators that existed from 231 million years ago, with most going extinct 65 million years ago. These fossils are part of the collections of the Natural History Museum of Utah at the Rio Tinto Center on the University of Utah campus, Salt Lake City, Utah, USA. Photographed in 2014.
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