Dinosaur Extinction and the Rise of Mammals The dinosaurs' demise has been linked to the rise of mammals, but a new study says the connection isn't so direct. Scientists have assembled a complete family tree for all existing mammals, and this "supertree" tells them how different groups were created and when they diverged.
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Dinosaur Extinction and the Rise of Mammals

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Dinosaur Extinction and the Rise of Mammals

Dinosaur Extinction and the Rise of Mammals

Dinosaur Extinction and the Rise of Mammals

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  • <iframe src="https://www.npr.org/player/embed/9243410/9243411" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The dinosaurs' demise has been linked to the rise of mammals, but a new study says the connection isn't so direct. Scientists have assembled a complete family tree for all existing mammals, and this "supertree" tells them how different groups were created and when they diverged.

Guest:

Ross MacPhee, curator, Division of Vertebrate Zoology, American Museum of Natural History.