4.1" Lobatopteris Fossils Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Volcanic Rock Merycoidodon’s molars were adapted for

Merycoidodon’s molars were adapted for grinding tough vegetation

although less well-preserved

The skull was short and possessed large

The ammonite shell was a marvel of natural design

It is known for its rich deposits of various minerals

4.1" Lobatopteris Fossils Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Volcanic Rock Merycoidodon’s molars were adapted forLocation: Francis Creek Shale Formation, Illinois Weight: 12 Ounces Dimensions: 4. 1 Inches Long, 3. 4 Inches Wide, 0. 9 Inches Thick (Nodule) Leaf Dimensions: 4. 1 Inches Long, 3. 4 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