4.3" Pecopteris Fontainei Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Mammoth This time falls within the

This time falls within the Campanian stage of the Cretaceous period in the Mesozoic Era

This behavior makes Ursus spelaeus unique among bears and highlights its adaptation to Ice Age ecosystems

others believe it could have enhanced the dinosaur’s sense of smell

The Key deer (Odocoileus virginianus clavium) is a small

Fossil records and mineral studies indicate that quartz has played a critical role in human civilization

4.3" Pecopteris Fontainei Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Mammoth This time falls within theLocation: Francis Creek Shale Formation, Illinois Weight: 14. 3 Ounces Dimensions: 4. 3 Inches Long, 3. 7 Inches Wide, 0. 8 Inches Thick (Nodule) Leaf Dimensions: 4. 3 Inches Long, 3. 7 Inches Wide The item pictured is the one you will receive. Pensylvanian Age, 370 million years ago Pecopteris Fontainei Fossil Leaves The Mazon Creek fossils date back to the Pennsylvanian sub period (roughly 307 million years ago). During this time, the area was a