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on top of a quartz matrix
Local tribes will often use these fossils as forms of currency and trade
This variety of calcite was first discovered in Tuscany
MadagascarYou will receive the oyster pictured
Fossil Fish (Knightia sp.) - Green River Formation on top of a quartzKnightia sp. is an extinct genus of freshwater bony fish that thrived in both North America and Asia during the Eocene Epoch (56 to 33. 9 million years ago). This Epoch took place during the Paleogene Period. This genus was first described in 1907 and is closely related to herrings and sardines. This is the state fossil of Wyoming and is considered the most commonly excavated fossil in the world. This fist had thick scales with conical teeth. Some of
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