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en.wikipedia.org/wiki/Cretaceous

The Cretaceous 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. The Cretaceous Period is usually abbreviated K, for its German translation ...

www.ucmp.berkeley.edu/mesozoic/cretaceous/cretaceous.php

The Cretaceous Period. The Cretaceous is usually noted for being the last portion of the "Age of Dinosaurs", but that does not mean that new kinds of dinosaurs ...

www.fossils-facts-and-finds.com/cretaceous_period.html

The Cretaceous Period is the final period of the Mesozoic Era. It covered the time span of 144 million years ago to 65 million years ago.

www.livescience.com/29231-cretaceous-period.html

Jan 7, 2016 ... The Cretaceous Period was the last segment of the Mesozoic Era. It lasted approximately 79 million years, from about 145.5 million years ago ...

www.britannica.com/science/Cretaceous-Period

May 8, 2017 ... Cretaceous Period: in geologic time, the last of the three periods of the Mesozoic Era. The Cretaceous began 145.0 million years ago and ...

www.nationalgeographic.com/science/prehistoric-world/cretaceous

Learn more about Earth's Cretaceous period from National Geographic.

www.encyclopedia.com/earth-and-environment/geology-and-oceanography/geology-and-oceanography/cretaceous-period

Get information, facts, and pictures about Cretaceous period at Encyclopedia. com. Make research projects and school reports about Cretaceous period easy ...

www.prehistory.com/timeline/cretace.htm

The Cretaceous period by Josef Moravec showing Cretaceous dinosaurs Tyrannosaurus rex, Albertosaurus, Corythosaurus, Anatosaurus, Parasaurolophus, ...

www.bbc.co.uk/nature/history_of_the_earth/Cretaceous

Cretaceous period. The Cretaceous ended with the most famous mass extinction in history - the one that killed the dinosaurs. Prior to that, it was a warm period ...