4.6" Pecopteris Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Foot Print growing up to nearly 60

growing up to nearly 60 feet long with skulls measuring 6 feet

Brontotheres were giant mammals that roamed what is now Badlands National Park between 56 and 33

This eggshell fragment tells a sobering story of extinction

which is the origin of the name trilobite

Furthermore

4.6" Pecopteris Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Foot Print growing up to nearly 60Location: Francis Creek Shale Formation, Illinois Weight: 1 Pound 3. 9 Ounces Dimensions: 5. 9 Inches Long, 3. 5 Inches Wide, 0. 9 Inches Thick (Nodule) Leaf Dimensions: 4. 6 Inches Long, 3. 7 Inches Wide The item pictured is the one you will receive. Pensylvanian Age, 370 million years ago Pecopteris 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