4.7" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Goulmimichthys These strong swimmers spent their

These strong swimmers spent their entire lives in the ocean

Fundamentally composed of iron and magnesium-rich orthopyroxene

Borealosuchus exemplifies the extraordinary survival capacity of crocodilians

These Pleistocene giants possessed sophisticated cold-climate specializations: a dual-layered pelage featuring protective outer guard hairs and insulating underfur in variable coloration

4.7" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Goulmimichthys These strong swimmers spent theirLocation: 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