Fish Fossil - Knightia Eoceana Pyrite Copper is a so-called native

Copper is a so-called native metal

Originating from the famed Green River Formation in Wyoming

and blues as well as the more commonly encountered clear or pale white

These well preserved and larger-sized fossils originate from the Monterey Formation in California

Approx 420 million years old

Fish Fossil - Knightia Eoceana Pyrite Copper is a so-called nativeDuring the Eocene, 40 50 million years ago, vast shoals of freshwater fish inhabited a large shallow inland sea across the American West. The herring like fish of the genus Knightia were far and away the most abundant freshwater fish during this era, and because of this they are one of the most frequently found vertebrate fossils on earth. Originating from the famed Green River Formation in Wyoming, fossils of Knightia eocaena and their close