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Scientists Peek Inside Dinosaur Eggs to Learn Secrets from Fossilized Embryos

January 25, 2020 - General
Dinosaur eggs

Measuring about the same size as an adult human, oviraptorids, were bird like “maniraptoran dinosaurs”, genetically closer to birds than to ornithomimids, a group which many paleontologists believe birds evolved from in the Jurassic Period about 150 million years ago. Characterized by their toothless beaks and sometimes elaborate crests, they roamed in Central Asia, including Mongolia and China, on two legs, during the Upper Cretaceous Period around 88 million to 66 million years ago.

In terms of their reproductive biology, scientists have always assumed oviraptorids lay somewhere between modern crocodiles and birds but it was always unclear whether their young emerged from eggs at the same time as their siblings, like crocodiles, or if they hatched at different times, like modern-day birds. But now, a team of scientists using neutron scanning technologies have cleared the mists and this assumption has been cemented with hard facts.


Source: origins

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