Science
Scientists uncover mysterious mass extinction event that nearly wiped out sharks 19 million years ago – ZME Science
More than 90% of all sharks suddenly disappeared and no one knows why.
Credit: Pixabay.
Sharks are some of the most resilient and successful predators in history, having been around for more than 400 million years ago. Believe it or not, sharks are actually older than trees, which didn’t appear in their familiar form — trunk and crown of leaves or fronds — until the Late Devonian, some 360 million years ago. However, that doesn’t mean that sharks haven’t had their fair share of close calls with total annihilation, including a previously unknown mass extinction approximately…
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