Cretaceous - Wikipedia
WebThe Cretaceous (IPA: / k r ɪ ˈ t eɪ ʃ ə s / krih-TAY-shəs) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of the entire Phanerozoic.
Cretaceous Period | Definition, Climate, Dinosaurs, & Map
WebThe Cretaceous is the longest period of the Phanerozoic Eon. Spanning 79 million years, it represents more time than has elapsed since the extinction of the dinosaurs, which occurred at the end of the period. geologic time. The stratigraphic chart of geologic time.
Cretaceous Period Facts and Information | National Geographic
WebREFERENCE. Cretaceous Period. During this period, oceans formed as land shifted and broke out of one big supercontinent into smaller ones. 3 min read. Continents were on the move in the...
The Cretaceous Period: What was Earth like before dinosaurs went ...
WebThe Cretaceous is a geological period that began 145 million years ago and ended 66 million years ago. It is the last period in the Mesozoic Era. It comes after the Jurassic Period and before the Paleogene - the first period of the Cenozoic Era, our current era.
Cretaceous period: Animals, plants and extinction event
WebJul 26, 2022 · Animals. How did it end? Climate. Additional resources. The Cretaceous period was the last and longest segment of the Mesozoic era. It lasted approximately 79 million years, from the minor...
Cretaceous Period - Dinosaurs, Plants, Marine Life | Britannica
WebMass extinction. At or very close to the end of the Cretaceous Period, many animals that were important elements of the Mesozoic world became extinct. On land the dinosaurs perished, but plant life was less affected.
The Cretaceous Period - University of California Museum of …
WebWhat killed the dinosaurs? Tectonics and paleoclimate. The Cretaceous is defined as the period between 145.5 and 65.5 million years ago,* the last period of the Mesozoic Era, following the Jurassic and ending with the extinction of the dinosaurs (except birds).
Cretaceous Period summary | Britannica
Webgeologic time. The stratigraphic chart of geologic time. Cretaceous Period, Interval of geologic time from c. 145 million to 66 million years ago. During the Cretaceous the climate was warmer than today. In the seas, marine invertebrates flourished, and …
The Cretaceous Period - University of California Museum of …
WebThe Cretaceous Period is part of the Mesozoic Era. Oceans of Kansas has information on marine organisms from the central United States. Find out more about the Cretaceous paleontology and geology of North America at the Paleontology Portal .
Cretaceous Period | Natural History Museum
WebOct 2, 2012 · The Cretaceous Period ends with one of the greatest known extinction events, so severe it also marks the end of the Mesozoic Era. Dinosaurs, pterosaurs, mosasaurs, and ammonoids, to name a few, were among the groups lost at this time.
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