Fossil hunt in St. Louis, MO
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Fossil site right off interstate
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Fossils from the Ordovician period, ranging from 485 to 444 million years ago
Fossils include brachiopods, bryozoans, crinoids, and trilobites
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Fossilized bryozoan
Fossilized trilobite surrounded by brachiopods
Trilobite tail (pygidium)
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Fossilized crinoid stem
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