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Cretaceous-Period

Cretaceous-Period

The Cretaceous-Period is a geological period and system that spans from approximately 145 to 66 million years ago. It is the last period of the Mesozoic Era and is known for significant evolutionary events, climatic changes, and the eventual mass extinction event that marked its end.

Geological Timescale and Stratigraphy

Climate and Environment

Flora and Fauna

Mass Extinction

Notable Fossil Sites

Sources

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