About 250 million years ago, at the end of the Permian period ... identify the killer responsible for the largest of the many mass extinctions that have struck the planet. The most famous die ...

There have been at least five mass extinctions, and maybe many more, but the fossil record is unclear. The two biggest extinctions were at the end of the Permian Period, about 250 million years ...

However, a mega El Niño effect — similar but more intense ... today think we’re in the middle of a sixth mass extinction and ...

Fossils from southern China provide evidence for a mass extinction during middle Permian time ... The deleterious effects of both extraterrestrial impacts and the voluminous outpouring of lava ...

Earth is no stranger to mass extinction events – it’s ... and the Great Dying – more formally known as the Permian-Triassic extinction event – wiped out members of all classes of life.

Mass extinctions are defined by ... At the end of the Permian some 250 million years ago, the worst extinction event so far with 96% of all known species lost. At the end of the Triassic some ...

The oceans teemed with the coiled-shelled ammonites, mollusks, and sea urchins that survived the Permian extinction ... collision—caused another mass extinction. Dinosaurs, however, survived ...

Life in the Triassic period had a rough start. In the Permian period before, the largest mass extinction event in Earth’s history had just taken place. Despite the widespread devastation ...

The lizard lives in a very small area of West Texas and southeastern New Mexico overlaying a part of the Permian Basin, which over the last ... This destruction in turn is the main cause of the ...