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Name:
Fossil Seed Fern Plate
Age: Pennsylvanian
Formation: Llewellyn Formation
Location: St. Clair, Pennsylvania
Size: Plate is 6" X 8.5"
This is a large plate of fossil seed ferns from the classic St. Clair, Pennsylvania locality. The seed ferns are preserved as a thin film of white pyrophyllite on black shale. The plate has many fronds intact, but the largest one is five inches long! The seed ferns have very nice contrast and excellent detail. And the back side of the plate also has seed ferns preserved. This is a very displayable plate of fossil seed ferns.
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