Cambrian Ocean World: Ancient Sea Life of North America by John Foster

Cambrian Ocean World: Ancient Sea Life of North America

John Foster

480 pages first pub 2014 (editions)

nonfiction science informative medium-paced

Description

This volume, aimed at the general reader, presents life and times of the amazing animals that inhabited Earth more than 500 million years ago. The Cambrian Period was a critical time in Earth's history during this immense span of time nearly every...

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