Rare Eocene Araliaceae Family Leaf Fossil from Green River Formation

Name: Family: Araliaceae: Araliophyllum quina

Division: Magnoliophyta; Class: Magnoliopsida; Order: Apiales; Family: Araliaceae

Geological Time : Eocene

Size (25.4 mm = 1 inch): Leaf: 61 mm by 6 mm Matrix: 82 mm by 55 mm

Fossil Site: Green River Shale, Uintah County, Utah

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 is an example of a leaf from a member of the Araliaceae, a rarely seen family in the Green River Formation. The family today is comprised of trees, shrubs, and vines that grow in a tropical environment. The rich brown color is a fine contrast to the light shale matrix, with the leaf well centered on the plate.

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