The Mesozoic, or "Middle Life", Era is commonly called the Age of Dinosaurs. It began with the catastrophic Permian/Triassic mass extinction, and was truncated by the Cretaceous/Tertiary mass extinction, and is composed of the Triassic, Jurassic, and Cretaceous Periods. This category is for any website dealing with the fossil record of the Mesozoic.

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The Mesozoic Era
An overview of the era from the UC Berkeley Museum of Paleontology.
[Book Mozilla]
Last update:
January 5, 2016 at 19:54:04 UTC
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