3.9" Annularia Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Apsopelix serving as ornamental stones

serving as ornamental stones

which have been essential in identifying the species and understanding its place within the evolutionary tree

This process

Fossil Bone Weight: 9

3.9" Annularia Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Apsopelix serving as ornamental stonesLocation: Francis Creek Shale Formation, Illinois Weight: 9. 7 Ounces Dimensions: 3. 9 Inches Long, 2. 4 Inches Wide,1 Inch Thick (Nodule) Leaf Dimensions: 3. 9 Inches Long, 2. 1 Inches Wide The item pictured is the one you will receive. Pensylvanian Age, 370 million years ago Annularia 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