Mazon Creek Bivalve Fossil - Mazonmya mazonesis 2.63" copper 000 years ago during the

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Mazon Creek Bivalve Fossil - Mazonmya mazonesis 2.63" copper 000 years ago during the300,000,000 years ago, in the Carboniferous Period, Earth was a dense tropical jungle. Lush forests were home to all manner of prehistoric creatures and swampy landscapes covered the surface. We know of this incredible time thanks to the fossil imprints left behind by plants and animals that were preserved for millions of years. This specimen is a Mazonmya mazonesis bivalve fossil, measuring 2. 63", that was recovered from Mazon Creek in Illinois.