What is a fossil?

A caddisfly case from the Oligocene of Montana. The case is made of tiny ostracode shells.

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Paleontologist, geologist, ecologist, educator. Professor at the University of Illinois at Chicago. Author of Explorers of Deep Time.

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Roy Plotnick

Paleontologist, geologist, ecologist, educator. Professor at the University of Illinois at Chicago. Author of Explorers of Deep Time.