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• Image Gallery
The great mass extinction at the end of the Permian Period changed life dramatically. From the survivors arose such new forms of life that scientists recognized it as the beginning of a new era: the Mesozoic Era. This 183-million-year age spans the Triassic, Jurassic, and Cretaceous periods.
During this time, mammals appeared. Flowering plants bloomed. Some reptiles took to the air; others plunged into the seas. And dinosaurs began their 160-million-year success story. Before it was over, they would give rise to birds: dinosaurs that still live today.
Scientists learn about Mesozoic plants and animals through a number of specimens and fossils.
Continue to Tetrapod Survivor Images. >>
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