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.

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 ...

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.

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 ...