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Cretaceous Wikipedia ~ The Cretaceous k r ɪ ˈ t eɪ ʃ ə s krih TAY shəs is a geologic period and system that spans 79 million years from the end of the Jurassic Period 145 million years ago mya to the beginning of the Paleogene Period 66 mya It is the last period of the Mesozoic Era and the longest period of the Phanerozoic Eon

Cretaceous Period Definition Climate Dinosaurs Map ~ Cretaceous Period in geologic time the last of the three periods of the Mesozoic Era The Cretaceous began 1450 million years ago and ended 66 million years ago it followed the Jurassic Period and was succeeded by the Paleogene Period the first of the two periods into which the Tertiary Period was divided

Cretaceous Period Facts and Information National Geographic ~ Cretaceous Period Continents were on the move in the Cretaceous busy remodeling the shape and tone of life on Earth At the start of the period dinosaurs ruled the loosening remnants of

Cretaceous Definition of Cretaceous by MerriamWebster ~ Cretaceous definition is of relating to or being the last period of the Mesozoic era characterized by continued dominance of reptiles emergent dominance of angiosperms diversification of mammals and the extinction of many types of organisms at the close of the period also of relating to or being the corresponding system of rocks

Cretaceous definition of Cretaceous by The Free Dictionary ~ The Cretaceous Period is characterized by the formation of modern continents from the supercontinent Pangaea and by the development of flowering plants The Period ended with the sudden extinction of the dinosaurs and many other forms of life See Table at geologic time 2

Cretaceous Definition of Cretaceous at ~ noting or pertaining to a period of the Mesozoic Era from 140 million to 65 million years ago characterized by the greatest development and subsequent extinction of dinosaurs and the advent of flowering plants and modern insects

Cretaceous Period Animals Plants Extinction Event ~ The Cretaceous Period was the last and longest segment of the Mesozoic Era It lasted approximately 79 million years from the minor extinction event that closed the Jurassic Period about

The Cretaceous Period ~ The Cretaceous is defined as the period between 1455 and 655 million years ago the last period of the Mesozoic Era following the Jurassic and ending with the extinction of the dinosaurs except birds

Cretaceous Ice Age Wiki Fandom ~ Cretaceous was an ichthyosaur that hunted animals during the ice age He and his companion Maelstrom are the main antagonists of Ice Age The Meltdown