Prehistoric World Early Life (Prehistoric World Books)

By 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... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0764134825
• ISBN13: 9780764134821
• Release Date: January 2006
• Publisher: B E S Pub Co
• Length: 32 Pages
• Weight: 0.40 lbs.
• Dimensions: 11.0" x 0.3" x 8.3"
• Age Range: 8 years and up
• Grade Range: Grade 3 and higher