Mazon Creek Bivalve Fossil - Mazonmya mazonesis 2.63" carcharodontosaurus just don't try to swim

just don't try to swim across the Nile

37" Cave Bear tooth recovered from Poland

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details about the mission

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Mazon Creek Bivalve Fossil - Mazonmya mazonesis 2.63" carcharodontosaurus just don't try to swim300,000,000 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.