indiana geological and water surveytrilobite body is divided laterally into threc main parts:...

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Page 1: Indiana Geological and Water Surveytrilobite body is divided laterally into threc main parts: cephalon (head), segmented thorax, and pygidium (tail). However, the name trilobite, meaning
Page 2: Indiana Geological and Water Surveytrilobite body is divided laterally into threc main parts: cephalon (head), segmented thorax, and pygidium (tail). However, the name trilobite, meaning