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Rare Quercus from the Green River Formation
Stock Number  FPUXXZ1

Name:   Quercus petros
Age:  Eocene
Formation:  Green River Formation
Location:  Bonanza, Utah
Size:  Leaf is 2.6 inches long

This is a very rare fossil leaf. It is a beautiful Quercus petros leaf, an Oak, from the Eocene of Utah. We have seen only a few specimens of this species from this site, and this one is easily the best. This type of leaf is somewhat teardrop-shaped in outline and has slightly dentate/undulating margins. A distinct petiole is still tightly attached to the leaf. The leaf has nice color and contrast and is well centered on the rectangular plate of shale. This is a very fine example of this extremely scarce leaf from the Green River Formation.