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Title: Various dinosaurs of the Hell Creek Formation.
Caption: Various dinosaurs of the Hell Creek Formation. Hell Creek Formation is a geologic formation spanning Montana, Wyoming, North Dakota and South Dakota. It dates from the end of the Cretaceous into the early Paleogene. It was a time about 68-66 million years ago. Denizens of this time and place included the ceratopsian; Torosaurus, the hadrosaur; Edmontosaurus, and Tyrannosaurus Rex. An early mammal and possible proto-primate of the time was Purgatorius. It was smaller than a squirrel.
Category: PALEONTOLOGY
Credit: Album / Arthur Dorety/Stocktrek Images
Image size: 5637 × 3171 px | 51.1 MB
Print size: 47.7 × 26.8 cm | 2219.3 × 1248.4 in (300 dpi)