Triassic Triassic The Triassic () is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.9 million years ago (Mya), to the beginning of the Jurassic Period Mya. The Triassic is the first period of the Mesozoic Era. Both the start and end of the period are marked by major extinction events. The Triassic began in the wake of the Permian–Triassic extinction event, which left the Earth's biosphere impoverished; it would take well into the middle of this period for life to recover its former diversity. Therapsids and archosaurs were the chief terrestrial
Dinosaurs: Giants of Patagonia Dinosaurs: Giants of Patagonia Dinosaurs: Giants of Patagonia is a 2007 film about life in the Early Cretaceous, Patagonia. It features paleontologist Rodolfo Coria and his work, with Donald Sutherland acting as main narrator. The movie opens on a scene from approximately 65 million years ago, in the Late Cretaceous. The narrator explains that a massive comet is about to arrive to mark the end of dinosaurs, before taking us back to the Late Jurassic, circa 150 million years ago. From the announced end of the dinosaurs, this time travel serves the purpose of introducing us the biggest creatures to