The Mesozoic Era

Fighting Dinos
Perhaps the greatest fossil ever found, a velociraptor attacked a protoceratops, and both were fossilized mid-sequence.

Following the Permian Mass Extinction, the Mesozoic (“middle life”) was from 252 million years ago to 66 million years ago. As Pangea started to break apart, mammals, birds, and flowering plants developed. The Mesozoic is probably best known as the age of reptiles, most notably, the dinosaurs.

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Introduction to Historical Geology Copyright © by Chris Johnson; Callan Bentley; Karla Panchuk; Matt Affolter; Karen Layou; Shelley Jaye; Russ Kohrs; Paul Inkenbrandt; Cam Mosher; Brian Ricketts; and Charlene Estrada is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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