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Scientists discover 74-million-year-old mammal fossil in Chile

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KATHMANDU: Scientists have uncovered the fossil of a tiny mouse-sized mammal, Yeutherium pressor, in Chilean Patagonia, dating back about 74 million years to the Upper Cretaceous period — the era of the dinosaurs. Weighing just 30 to 40 grams (around one ounce), Yeutherium pressor is the smallest mammal ever found in this part of South […]