Cretaceous Cretaceous The Cretaceous (, ) is a geologic period and system that spans 79 million years from the end of the Jurassic Period million years ago (mya) to the beginning of the Paleogene Period mya. It is the last period of the Mesozoic Era, and the longest period of the Phanerozoic Eon. The Cretaceous Period is usually abbreviated K, for its German translation "Kreide" (chalk, "creta" in Latin). The Cretaceous was a period with a relatively warm climate, resulting in high eustatic sea levels that created numerous shallow inland seas. These oceans and seas were populated with now-extinct marine reptiles,
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