A global catastrophe 66 million years ago led to the extinction of all non-avian dinosaurs, and large marine reptiles like mosasaurs and plesiosaurs. But what happened to the sharks? According to a new study, shark-tooth diversity remained relatively constant across the mass extinction event at the end of the Cretaceous.
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/08/210810143102.htm
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/08/210810143102.htm
Shark diversity unaffected when the dinosaurs were wiped out, study finds
![Shark diversity unaffected when the dinosaurs were wiped out, study finds]()
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August 11, 2021
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