Spider Fossil from Green River Formation


Arachnida, Araneae

Geological Time: Eocene

Size (25.4 mm = 1 inch): Spider fossil is 10 mm across, Matrix: 90 mm by 70 mm

Fossil Site: Green River Shale, Uintah County, Utah

Fossil Code: GRF203

Price: $85.00

Description: The Green River Formation deposits of Wyoming, Colorado, and Utah are best known for their immaculately-preserved fish, but other examples are known as well, as this specimen attests. This fine piece displays a detailed spider, an uncommon Green River fossil. While spiders are not insects, they are so rarely seen as fossils that it is easier simply to post them with their prey.

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