A diverse group of reptiles; the dominant terrestrial vertebrates for 135 million years, from the beginning of the Jurassic (about 200 million years ago) until the end of the Cretaceous (65.5 million years ago).
Southern supercontinent that separated from Pangaea; today’s Southern Hemisphere continents.
Northern supercontinent that separated from Pangaea; today’s Northern Hemisphere continents.
Age of dinosaurs that lasted from 245–65 million years ago.
Supercontinent of all the major land masses; formed during the Permian Period.
Extinction event in which many if not most species abruptly disappear from Earth.