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首次发现“偷蛋龙”完整的胚胎（解释）
Well-Preserved Embryo Found Inside Fossilized Dinosaur Egg
The rare specimen suggests that a two-legged dinosaur known as an oviraptorid hatched the way birds do
A rare look inside a fossilized dinosaur egg found in southern China has revealed an exquisitely preserved embryo—and evidence suggesting that some of these prehistoric creatures had even more in common with modern birds than previously thought.
Scientists said the embryo inside the egg, which was laid between 72 million to 66 million years ago during the Late Cretaceous period, was that of a two-legged, feathered carnivore known as an oviraptorid. They said, in a paper about the discovery published Tuesday in the journal iScience, the embryo’s curled body position—with its back against the blunt end of the 7-inch-long egg and its head between its legs—resembles that of bird embryos.
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By 焕晨讲故事Well-Preserved Embryo Found Inside Fossilized Dinosaur Egg
The rare specimen suggests that a two-legged dinosaur known as an oviraptorid hatched the way birds do
A rare look inside a fossilized dinosaur egg found in southern China has revealed an exquisitely preserved embryo—and evidence suggesting that some of these prehistoric creatures had even more in common with modern birds than previously thought.
Scientists said the embryo inside the egg, which was laid between 72 million to 66 million years ago during the Late Cretaceous period, was that of a two-legged, feathered carnivore known as an oviraptorid. They said, in a paper about the discovery published Tuesday in the journal iScience, the embryo’s curled body position—with its back against the blunt end of the 7-inch-long egg and its head between its legs—resembles that of bird embryos.