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 ...
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.
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 ...
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 ...
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Learn more about Earth's Cretaceous period from National Geographic.
The Early Cretaceous Period was a time in which the Earth was undergoing a process of change. Learn about the Early Cretaceous Period.
from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants.
Cretaceous Period: In geologic time, the last of the three periods of the Mesozoic Era. The Cretaceous began 145.0 million years ago and ended 66 million ...