But the giant species were gone by the middle to late Permian, some 50 million years later.
They were among the largest carnivores of the late Permian.
Among reasons to abandon this use was the discovery that its base lies actually in the latest Permian.
They appeared somewhere in the Late Permian, before the time of the dinosaurs.
The layers in which the fossils were found date from the Late Permian.
It was common throughout southern Africa during the Late Permian.
The pareiasaurs reached giant proportions in the late Permian, eventually disappearing at the close of the period.
Formed in the late Permian, the rock strata is up to 90 metres thick.
Eurypterids are a group of chelicerates that became extinct in the late Permian.
The whole late Permian was a difficult time for at least marine life, even before the "Great Dying".