Mazon Creek Bivalve Fossil - Mazonmya mazonesis 2.63" copper In the prehistoric sea

In the prehistoric sea

measuring 15

Glyptodons were heavily armored mammals originating in the Pliocene Epoch three million years ago

depositing the mineral to be heated and pressurized into the beautiful gem

Above: Preparing specimens in the workshop

Mazon Creek Bivalve Fossil - Mazonmya mazonesis 2.63" copper In the prehistoric sea300,000,000 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.