10.1" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Mako with each coral chamber shaped

with each coral chamber shaped in a distinctive hexagonal pattern

83 million years old

preying on fish and other small sea creatures

on the western side of the banks of the Betsiboka River

Its extraterrestrial origin and optical properties make it a prized specimen for mineralogical collections and scientific study

10.1" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Mako with each coral chamber shapedLocation: Llewellyn Formation, St Clair, Pennsylvania Weight: 2 Pounds 10. 4 Ounces Dimensions: 10. 1 Inches Long, 5. 2 Inches Wide, 0. 6 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 Long before modern forests existed, dense swamp ecosystems covered much of the Earth during the Pennsylvanian