The Cretaceous Creekbed diorama in the Prehistoric Journey exhibit at the Denver Museum of Nature & Science shows two Stygimoloch spinifer dinosaurs fighting in the woodlands of North Dakota. The scene, based on an actual fossil site, represented the final ecosystem of the Cretaceous. Paleontology from this site documents the extinction of the dinosaurs as well as more than 50 percent of plant and insect species.
Credit: Denver Museum of Nature & Science
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