10.1" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Clam while others consider it to

while others consider it to be a subspecies

Dominated by orthopyroxene—an iron and magnesium-rich mineral—the meteorite displays the characteristic dark coloration and substantial density typical of its classification

These discoveries continue to deepen our understanding of Madagascar’s unique prehistoric wildlife

000 years ago as the last Ice Age commenced

10.1" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Clam while others consider it toLocation: 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