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Fossil Feather Age: Eocene Formation: Green River Formation Location: Bonanza, Utah Size: Cluster is 1.5 inches across This specimen is not for sale Click here for similar specimens that are for sale
This is an excellent mass of fossil feathers from the Eocene of Utah. Bird remains are quite rare in the fossil record - even solitary feathers are very uncommon. This clump of feathers exhibits fantastic detail - the individual barbs are clearly defined. The dark brown fossil contrasts beautifully with the khaki-colored matrix. The feathers are well positioned on the plate of shale that also contains a few insects. This is a textbook example of fossil feathers from the Green River Formation.