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Trilobites
Susan H. Gray
eBook (Core Learning Library, Jan. 1, 2014)Among the earliest animals to live in Earth's oceans, trilobites survived for 300 million years! Young readers will learn about this diverse group of prehistoric arthropods who roamed the sea nearly twice as long as dinosaurs dominated the land.
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Trilobites
Lola M. Schaefer
Paperback (Richard C. Owen Publishing, July 1, 2001)None
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Trilobites
Susan Heinrichs Gray
Library Binding (The Childs World Inc, Jan. 1, 2005)Introduces the first denizens of planet Earth several billion years ago--crustaceans called trilobites that ruled the oceans for three hundred million years.
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