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.