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Ohio State Fossil:
The largest Trilobite on display at the Smithsonian Natural History
museum is from Ohio! Photo © Mike Rupert on Flickr
Isotelus (Trilobite)
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Ohio designated the Isotelus trilobite as the official state fossil in 1985. Isotelus is an extinct arthropod that lived in Ohio about 440 million years ago. It is the largest known trilobite.
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State Symbols USA is a nonprofit organization promoting
appreciation for our natural treasures and cultural heritage.
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