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21. Aug 2019

March 19, 2012
by Guest Post
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Some Mammals Used Highly Complex Teeth to Compete With Dinosaurs

Conventional wisdom holds that during the Mesozoic Era, mammals were small creatures that held on at life’s edges. But at least one mammal group, rodent-like creatures called multituberculates, actually flourished during the last 20 million years of the dinosaurs’ reign … Continue reading