4.6" Pecopteris Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Vaca Muerta was designed for maximum bone-crushing

was designed for maximum bone-crushing action

Thorax: Formed by multiple articulated segments

Fossil Dimensions: 6

forming the foundation of marble and limestone

Aepyornis remains a remarkable symbol of Earth’s rich evolutionary past

4.6" Pecopteris Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Vaca Muerta was designed for maximum bone-crushingLocation: 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