Prehistoric Animals

Prehistoric Features

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  Bizarre Dinosaurs

  A bizarre gallery of Mesozoic monsters prompts John Updike to ask: What has evolution wrought?

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  Prehistoric Time Line

  National Geographic's interactive time line takes you on a 4.5-billion-year-old trip through Earth's history⎯from its Precambrian birth to the birth of Homo sapiens some 190,000 years ago.

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  Prehistoric World

  Discover and explore prehistoric times with galleries, time lines, quizzes, and more.

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  Mass Extinctions

  More than 90 percent of all organisms that have ever lived on Earth are extinct. Learn how millions of creatures can disappear in a geological blink of an eye—and see what might be next.

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  Photo Gallery: Permian Period

  Peer into the flourishing world of the Permian, when a wealth of new animals appeared⎯before nearly all life on Earth was wiped out in a mass extinction.