4.3" Pecopteris Fontainei Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Jaw Badlands brontotheres exemplify one of

Badlands brontotheres exemplify one of evolution's most dramatic transformations—creatures that began as modest

while its highly transparent varieties have been applied in the manufacture of gun sights and polarizing microscopes for geological studies

most need restoration or are altered by humans to improve appearance

you have to split it open

4.3" Pecopteris Fontainei Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Jaw Badlands brontotheres exemplify one ofLocation: 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