Long before the dinosaurs, the Permian period was a brutal time to be alive. In this video, we explore the strange creatures, harsh environments, and the massive extinction event that made the Permian ...
The history of excavation of Permo-Triassic vertebrates from eastern Europe / Vitali G. Ochev, Mikhail V. Surkov -- The amniote faunas of the Russian Permian: implications for Late Permian terrestrial ...
Long before the dinosaurs, Earth belonged to the monsters of the Permian — razor-toothed predators like Dimetrodon and the fearsome Gorgonopsids. In this era of brutal droughts and volcanic chaos, ...
Respiration and the body plans of animal life -- Oxygen through time -- Evolving respiratory systems as a cause of the Cambrian Explosion -- The Ordovician : Cambrian Explosion part II -- The Silurian ...