'Oh my God this is amazing': Pittsburgh scientists on team that discovered new ancient mammal

It wasn’t just dinosaurs that populated the earth 126 million years ago — there were a few known placental mammals too. And now, there’s one more: A team of international scientists — including two from the Pittsburgh area — announced Wednesday that they have discovered a fourth placental mammal from that time period. The well-preserved new mammal, an ancient furry creature most similar to a modern tree shrew, is named Ambolestes zhoui .

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