Fossils of Mesozoic Mammals Discovered in China

February 13, 2015 11:43 PM

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The fossils belong to shrew-sized creatures and they show that mammals of Mesozoic era were already highly specialized and well-performing. Among the two rodent-like animals, one was probably a long-clawed tree-dweller and the other one was shovel-pawed tunnel-digger. The study authors noted “We know that modern mammals are spectacularly diverse, but it was unknown whether early mammals managed to diversify in the same way.”

Luo explained that these new fossils reveal the wide range of ecological diversity in early mammals and it seems like dinosaurs were not the only dominant ones in the Mesozoic landscape, as it was thought previously. “We can now provide fossil evidence that gene patterning that causes variation in m...

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