Morphobank

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Meet the 66M-Year-Old Ancestor of Mammals

Scientists come up with theoretical creature

(Newser) - Say hello to your great-great-great-great-great-grandparents (times a few million or so)—Protungulatum donnae, a rat-sized insect eater believed to have lived 66 million years ago. A new six-year study of the mammalian family tree, looking at DNA and anatomical evidence in greater detail than ever before, has identified Protungulatum donnae...

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