科学
One ancient swimming mammal fossil and two evolutionary surprises, including a third set of teeth
来源: Phys.org · 发布于
What may have looked like a cross between a platypus and a beaverlike rodent and lived around 120 million years ago? Dongoconodon platycauda, a newly discovered fossil mammal from northeastern China.…
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- #mammal
- #fossil
- #evolutionary
- #dongoconodon
- #northeastern
- #beaverlike
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