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One-Ounce Wonder: Tiny Dinosaur-Era Mammal Unearthed in Patagonia
A discovery in Chilean Patagonia has revealed one of the tiniest mammals to coexist with dinosaurs: a mouse-sized species named Yeutherium pressor, dating back approximately 74 million years. This remarkable fossil provides rare insights into mammalian evolution in South America during the Late Cretaceous, when the continent was still part of Gondwana. A Tiny Mammal…