Shark Diversity Unaffected When the Dinosaurs Were Wiped Out in Global Catastrophe

Selective extinction of apex predators suggests a shift to more generalist diets. 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 study of sharks’

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Earth's ultimate survivors: Asteroid that wiped out dinosaurs left sharks virtually unscathed - Study Finds

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Fossils in Morocco reveal the astounding diversity of marine life 66 million years ago, just before the asteroid hit