Mariopteris muricata

This is a fossil seed fern collected in 1992
Rock Type: Sandy shale
Formation: New River
Interval: Sewell seam
Age: Middle Pennsylvanian Period, approx. 317 million years.


Location: Greenbrier County, West Virginia. Greenbrier Coal Company Surface Mine at Bear Run , located off Route 55 approximately 5 miles southeast of Cranberry Glades. It is now almost totally reclaimed, so if you want to do any serious collecting there you better hurry!