This fossil plate contains the remains of plants found at the famous St. Clair, Pennsylvania site. This plate was collected in the early 1970s from the Llewellyn Formation. The fossil dates to the Late Carboniferous or Pennsylvanian Period (about 310 million years ago).
The collection this fossil was apart of is now being sold off. If you are interested in buying check it out on eBay LINK HERE.
