Diplomystus Fish Fossil Plate from Green River, Wyoming
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This fish fossil plate from the famous Green River Formation in Wyoming features five distinct, detailed diplomystus fossils, as well as two phantoms of other fish along the top and side. These diplomystus lived approximately 56 million years ago during the Eocene epoch and were an ancient variety of herring.
This fish fossil plate is approximately 16 inches x 11.125 inches x .75 inches.