4.7" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Crystal Quartz This mineral appears in many

This mineral appears in many colors

The complex suture patterns where the septa met the shell wall are a defining characteristic used by scientists to identify and classify ammonite species

One of its most distinctive features was its tail

such as continuously growing incisors and cheek teeth adapted for grinding fibrous plant material

4.7" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Crystal Quartz This mineral appears in manyLocation: 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