Science
Sharks were nearly completely wiped out 19 million years ago – ABC News
When palaeobiologist Elizabeth Sibert set out to build a record of fish and shark populations over millions of years, she didn’t expect to be solving a mysterious…
When palaeobiologist Elizabeth Sibert set out to build a record of fish and shark populations over millions of years, she didn’t expect to be solving a mysterious disappearance case.
Key points:
- Shark populations were abundant and diverse for 40 million years
- Up to 90 per cent of global shark populations were wiped out 19 million years ago during a stable and uneventful period
- Sharks have not recovered from the mass extinction, offering lessons for conserving global shark populations that live today…
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