Photos: Cretaceous 'Night Mouse' Was a Wee Mammal
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Paleontologists have unearthed a new 69 million-year-old mammal species in the North Slope of Alaska.Photos: Cretaceous 'Night Mouse' Was a Wee Mammal
Paleontologists have unearthed a new 69 million-year-old mammal species in the North Slope of Alaska. Read more