To understand this extinction, I wanted first to get a sense of its scale. That's difficult—sediments containing fossils from the end of the Permian are rare and often inaccessible. One site ...

The end-Permian extinction some 252 million years ago, coinciding with the formation of Pangea, killed some 90 percent of the planet's species. But life finds a way. At the time the ancestors of ...

Well before Earth's last mass extinction, trilobites were already extinct. Given that they had lived for 270 million years successfully, the fact that at the end of the Permian Period they were ...

They then compared their model to the magnitude of past mass extinctions captured in the fossil record, especially to the End-Permian Extinction - Earth's deadliest extinction event so far.

Figure 1 Figure 1: Explosions in the middle Permian. In an earlier evaluation ... re-evaluated the temporal relationship between end-Triassic extinction and the Central Atlantic magmatic province ...

This is the biggest extinction event our planet has ever ... This not only marked the end of the Permian period and the start of the Triassic, it was such a serious catastrophe that it is used ...

Her interest in field­-based research led her to the laboratory of David Bottjer at the University of Southern California, where she studied the aftermath of the end-­Permian mass extinction event.

By the end of the period 199 million years ago ... and sea urchins that survived the Permian extinction and were quickly diversifying. The first corals appeared, though other reef-building ...