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FERNS
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PENNSYLVANIA
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| EXTINCTIONS CHOICE - Large Seed Fern Plate |
| Stock Number FPFPA15 |
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Name:
Fossil Seed Ferns
Age: Pennsylvanian
Formation: Llewellyn Formation
Location: St. Clair, Pennsylvania
Size: Plate is 13.5" X 18"
This is a large plate of fossil seed ferns from the Coal Age deposits near St. Clair, Pennsylvania. It is very hard to get a slab this large from this site, and even more difficult to get a slab of this size that is as nice as this one. The entire slab is covered with large seed fern fronds and branches - one of the fronds is over five inches long! The seed ferns are preserved as a thin film of white pyrophyllite on black shale. There are several different types of seed ferns represented on the plate, and even the horsetail Sphenophyllum is represented. The fossil plants have excellent color and contrast and exhibit superb detail. There are also many seed ferns on the reverse side of the plate. This is a museum quality plate of Pennsylvanian plants from a classic location.
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