The Rise of Mammals

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The Rise of Mammals

From the Series Prehistoric Field Guides

Team up with Ackerley the Acanthostega to travel back 66 million years to the Tertiary and Quaternary periods of prehistoric Earth, when mammals came to dominate the planet. Many of them are… Read More →

  • Lexile: 1000
  • ATOS: 6.3
  • Dewey: 569