Natural Knightia Fossil Fish from Wyoming.
This beautiful fossilized fish was found in the Green River Formation in Kemmerer, Wyoming. This amazing quarry is home to many aquatic animals and plants. The fish is 100% natural and is dated back to the Eocene period approx 50-55 million years ago. The fish is in its natural matrix rock which consists of limestone. This fossil quarry is one of the most heavily studied in the world.