Various dinosaurs of the Hell Creek Formation. Hell Creek Formation is a geologic formation spanning Montana, Wyoming, North Dak
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.
Size: 5637px × 3171px
Photo credit: © Arthur Dorety/Stocktrek Images / Alamy / Afripics
License: Royalty Free
Model Released: No
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