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Early Life (Prehistoric World Books)
Early Life - Prehistoric World Books
Author: Dougal Dixon
The earliest-known animal forms on Earth, trilobites lived mainly in shallow water. They are ancestors to modern crustaceans and insects, and after many eons became extinct roughly 245 million years ago. — Prehistoric World Books combine dramatic, scientifically accurate color illustrations with a wealth of factual details based on archa...  more »
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ISBN-13: 9780764134821
ISBN-10: 0764134825
Publication Date: 10/13/2006
Pages: 32
Reading Level: Ages 4-8
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Publisher: Barron's Educational Series
Book Type: Paperback
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