3.5" Lobatopteris Fossils Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Abelisaur making it one of the

making it one of the most versatile apex predators of its era

Even within such competition

the persistence of ancient gymnosperms

and unique microfossils

3.5" Lobatopteris Fossils Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Abelisaur making it one of theLocation: Francis Creek Shale Formation, Illinois Weight: 8. 9 Ounces Dimensions: 3. 8 Inches Long, 2. 8 Inches Wide, 0. 9 Inches Thick (Nodule) Leaf Dimensions: 3. 5 Inches Long, 3 Inches Wide The item pictured is the one you will receive. Pensylvanian Age, 370 million years ago Lobatopteris 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 tropical delta