Animal Life Appeared About 630 Million Years Ago
in
Grand Canyon

The record of life and the stories of the diverse creatures that once lived here are captured in the rocks that make up the walls and cliffs of Grand Canyon today in the form of fossils, tracks, and various clues deciphered by paleontologists.

This interpretive exhibit along the Trail of Time discusses a relatively sudden "explosion" in the number of animal species on Earth about 630 million years ago.

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