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Book Description

Pelycosaurs were lizardlike creatures that inhabited Earth long before dinosaurs first appeared. From sail-backed Dimetrodon to tiny Archaeothyris, pelycosaurs shared characteristics of both mammals and reptiles. Learn about the prehistoric animals that preceded dinosaurs by several million years.

  • ISBN: 9781634076951 |
  • Hardcover: 32 pages |
  • Publisher: The Child's World, Inc. |
  • Publication date: |
  • Language: English |
  • Format: Ebook