4.7" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Crystal Quartz One of its most distinctive

One of its most distinctive features was its tail

It is Wyoming's State Fossil

While a large Tyrannosaurus could reach about twelve meters

actively pursuing smaller reptilian fauna and proto-mammalian prey across floodplain environments

4.7" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Crystal Quartz One of its most distinctiveLocation: Llewellyn Formation, St Clair, Pennsylvania Weight: 5. 9 Ounces Dimensions: 4. 7 Inches Long, 4. 2 Inches Wide, 0. 4 Inches Thick (Plate) Comes with a Certificate of Authenticity. Comes with a Free Stand. The item pictured is the one you will receive. Pennsylvanian Age, 300 million years old. Alethopteris Sp Fern Fossil The Llewellyn Formation, dating back approximately 300 million years to the Pennsylvanian Period, is one of the rare sites