4.1" Neuropteris Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Pachyrhizodus referring to their body structure

referring to their body structure

may have preyed on young dinosaurs

Fossils of Hastalis have been discovered across the United States

offering insights into biodiversity

4.1" Neuropteris Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Pachyrhizodus referring to their body structureLocation: Francis Creek Shale Formation, Illinois Weight: 1 Pound 13. 3 Ounces Dimensions: 4. 8 Inches Long, 3. 8 Inches Wide, 2 Inches Thick (Nodule) Leaf Dimensions: 4. 1 Inches Long, 1. 6 Inches Wide The item pictured is the one you will receive. Pensylvanian Age, 370 million years ago Neuropteris 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