Sharks suffered mysterious mass extinction 19 million years ago: study - Business Insider2021-06-05-1622872967

in #thisjustinnewsnew256076 • 3 years ago

Sharks suffered mysterious mass extinction 19 million years ago: study - Business Insider

https://i.insider.com/60b92ac402ac410018f941fa?width=1200&format=jpeg

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Summary

By studying ancient shark scales collected 3 miles under the Pacific waves, experts found that the animals almost went extinct 19 million years ago.

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