This graph plots extinction rates of marine animal families over the last 600 million ... the Late Devonian, the Permian/Triassic (P/Tr) boundary, the end of the Triassic, and the Cretaceous ...

About 250 million years ago, at the end of the Permian ... of the extinction. Pollution sometimes turns waters anoxic today in regions that lack good circulation. Local die-offs of marine life ...

Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species vanished during the end-Permian mass extinction—the most extreme event of its ...

About 252 million years ago, 80 to 90 percent of life on Earth was wiped out. In the Turpan-Hami Basin, life persisted and bounced back faster.

“You wouldn’t have lasted long, I don’t think, as a puny human swimming around in this ocean,” muses paleontologist and geologist James Witts while viewing an artist’s depiction of marine ... or ...

The idea that extreme heat could one day cause a mass extinction and end the dominance of humans is not as farfetched as it ...

However, clams took over the oceans in the aftermath of the end-Permian extinction, along with oysters, snails, and slugs. Earth’s largest mass extinction eliminated a lot of marine species. But it ...

Considered to be the largest mass extinction in which life on Earth nearly came to an end, the event wiped out around 80 per cent of marine species. The exact cause of the event is still not clear ...

The end-Permian extinction, triggered by massive volcanic eruptions in Siberia, caused abrupt global warming, acid rain, and a drastic drop in oxygen levels. These disturbances devastated most ...

Extinction is not exclusive to dinosaurs ... Due to this drop in sea levels, it was particularly hard on marine species including brachiopods, corals, and trilobites. A model of a “Coelacanth ...

About 252 million years ago, upward of 80% of all marine species vanished during the end-Permian mass extinction—the most extreme event of its kind in Earth's history. What followed was a ...

Earth's largest mass extinction eliminated a lot of marine species. But it didn't eliminate them all. According to a study in Science Advances, warm, oxygen-depleted waters may have helped select ...