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Pastimes : Let's Talk About Our Feelings!!!

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To: J. C. Dithers who wrote (93515)	1/13/2005 10:32:42 AM
From: epicure	of 108807

You need to read up on the mammals preceded dinosaurs vibe you have going on- in terms of your perception of what scientists thought. As far as I know, everyone pretty much believe they were living concurrently- but it was thought the mammals were small (mouse sized, because those are the fossils that were found). "It overturns the entire paradigm that dinosaurs preceded mammals in evolution." ???? life.umd.edu Adaptive radiations and waves of extinctions Breakup of Pangaea and continental drift (Fig. 4.11)(200-65 mya) Extinction of dinosaurs (66 mya) Modern species are ca. 2 my old Mammals evolved from reptiles about 200-250 mya (in the Mesozoic era) At the same time- approx 250 mya- dinosaurs were evolving from reptiles... you can see the mammals were living concurrently with the dinosaurs and this is commonly accepted.

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