Over 65 million years North American mammal evolution has tracked with climate change

Monday, December 26, 2011 - 15:00 in Paleontology & Archaeology

Climate changes profoundly influenced the rise and fall of six distinct, successive waves of mammal species diversity in North America over the last 65 million years, shows a novel statistical analysis led by Brown University evolutionary biologists. Warming and cooling periods, in two cases confounded by species migrations, marked the transition from one dominant grouping to the next.

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