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Name:
Quercus petros
Age: Eocene
Formation: Green River Formation
Location: Bonanza, Utah
Size: Leaf is almost 2 inches long
This is a very rare fossil leaf. It is a Quercus petros, an Oak, from the Eocene of Utah. We have seen only a few specimens of this species from this site. This type of leaf is somewhat obovate in outline and has slightly dentate/undulating margins. The primary venation is easily seen, and a short petiole is still tightly attached. The leaf has gorgeous color and contrast and is nicely presented on the natural plate of shale. This is a fine example of this extremely scarce leaf from the Green River Formation.
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