Long before T. rex, the Earth was dominated by super-carnivores stranger and more terrifying than anything dreamed up by ...

About 250 million years ago, at the end of the Permian period, something killed some 90 percent of the planet's species. Less than 5 percent of the animal species in the seas survived.

298.9 million years ago the Permian period, the last period of the Paleozoic era, began. This period of time had plenty of aquatic animals and archaic land creatures like dimetrodons.

The reptile-like animals of the Permian Period were replaced by a group of reptiles called the archosaurs, which helped give rise to dinosaurs, according to the museum.

Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during the middle to late Permian period. These land-dwelling creatures would later evolve into mammals, but their ...

As an extinction crisis wiped out species at the end of the Permian Period, a predatory species emerged that dominated Southern Africa’s domain. By Jeanne Timmons Some 252 million years ago, it ...

A tiny fragment of bumpy fossil found in a cave in Oklahoma is now the oldest known piece of preserved skin, paleontologists report Thursday in the journal Current Biology. The discovery allows ...

The study will be reported in Nature tomorrow [Thursday, November 4]. The mass extinction at the Permian-Triassic boundary is accepted as the most profound loss of life on record.

Shrimps and worms among first animals to recover after largest mass extinction Date: June 29, 2022 Source: University of Bristol Summary: Researchers studying ancient sea bed burrows and trails ...