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

Champsosaurus lived during the late Mesozoic and early Cenozoic eras

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

and persisted for hundreds of millions of years throughout the Paleozoic Era

where ammonites were abundant

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