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alb5570380 Purgatorius primate head. Purgatorius was a proto-primate that lived in Montana, North America during the Cretaceous Period.
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alb5566722 Purgatorious restoration, side view on white background.
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alb5566726 Purgatorius primate, side profile. Purgatorius was a proto-primate that lived in Montana, North America during the Cretaceous Period.
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alb3890508 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.
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alb3887999 A rat-sized Purgatorius hides amongst the undergrowth of a Cretaceous forest while a 30 foot long, 2,000 pound tyrannosaur forages for its next meal in what is today the western United States. Bistahieversor is a genus of tyrannosauroid dinosaur named after Bisti/De-Na-Zin Wilderness where it was found.. Purgatorius is the genus for several species of small omnivorous mammals that are believed to be the among the earliest ancestors of modern-day chimps, rhesus monkeys, and humans. The extinction of the larger and more powerful dinosaurs may have been what led to world's domination by mammals today.. While there is no direct evidence that Purgatorius and Bistahieversor ever shared the same wilderness, this image is yet illustrative of the predator-prey relationship that characterized dinosaurs and mammals for many millions of years.
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Total de Resultados: 5

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