Fossil Seed Fern Plate Age: Pennsylvanian Formation: Llewellyn Formation Location: Near St. Clair, Pennsylvania Size: Plate is 9 inches across Price:$19.00
This is a large, displayable fossil seed fern plate from the famous location at St. Clair, Pennsylvania. There are many distinct fronds on the plate. The seed ferns are preserved as a thin film of white pyrophyllite on black shale. There are a few different sizes of ferns preserved. And there are even nice ferns on the back side of the plate. This is a very fine slab of Coal-Age plants from this classic site.