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American Association for the Advancement of Science

A Face and Age for Early Mammalian Ancestor (3 of 3)

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Caption: Authors talk about their latest placental mammal tree of life. This video relates to a paper that appeared in the Feb. 8, 2013, issue of Science, published by AAAS. The paper, by Maureen A. O’Leary at Stony Brook University in Stony Brook, NY, and colleagues was titled, “The Placental Mammal Ancestor and the Post–K-Pg Radiation of Placentals.”

Credit: [Video courtesy of AMNH]

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