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Daniel Matton wasn't ready for an adventure, not until 3023 sent him into space on a journey to prehistoric times. The prehistoric animals test his patience, but Dan must endure all the pain and suffering to retur...
Scientists break the geologic time scale into eons, eras, periods, and epochs. There's the Precambrian Time, the Paleozoic Era, the Mesozoic Era, and the Cenozoic Era.
Dinosaurs lived during the Mesozoic Era. However, the extinction event that destroyed the dinosaurs was not the largest in all geologic history. The largest extinction was at the end of the Permian Period of the Paleozoic Era, 252 million years ago. Most scientists speculate that volcanic eruptions were a major source of this phenomenon.
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