This layer of sandstone was formed by wind-blown sediments that eventually hardened into rock about 280 million years ago, during the Permian Period. No dinosaurs existed yet during the Permian.

Dinosaurs evolved from more primitive reptiles in the aftermath of Earth's biggest mass-extinction event caused by extreme volcanism at the end of the Permian Period about 252 million years ago.

Long before dinosaurs ever walked the Earth, a terrifying predator ruled the land – and it was unlike anything alive today. In this video, we journey back to the Permian period to meet ...

The 10,000-mile march through fire that made dinosaurs possible First study to consider how ancient reptiles dispersed across the Earth after end-Permian mass extinction Date: June 13, 2025 Source ...

Object Details Author Benton, M. J (Michael J.) Contents The history of excavation of Permo-Triassic vertebrates from eastern Europe / Vitali G. Ochev, Mikhail V. Surkov -- The amniote faunas of the ...