Collector's Diplomystus Denatus Shale Fossil gila These crystals vary from a

These crystals vary from a smoky gray to abyssal black with intricate geometric patterns

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are an extinct clade of large carnivorous flightless birds that were one of the largest species of apex predators in South America during the Cenozoic era

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Collector's Diplomystus Denatus Shale Fossil gila These crystals vary from aThis freshwater fish dined on other fish in a lake nearly fifty million years ago and is related to the herring fish we know today. The Diplomystus Dentatus displayed in this sheet of shale has been expertly prepared and was mummified by the natural processes that existed in the area of Wyoming where it was found. Fifty million years ago an ancient Fossil lake existed in what is now southwest Wyoming. Of its estimated maximum extent of 930 square