3.4" Lepidodendron Fossil Mark Mazon Creek Nodule Pennsylvanian Age Illinois Camarasaurus They are easily identified by

They are easily identified by their distinctive shell shape and the presence of three to four cardinal teeth on each valve

Fossil Lake contains the world’s largest concentration of fossil fish

This rooted tooth specimen exemplifies the sophisticated adaptations that established Basilosaurus as a dominant Eocene predator

narrow skull

3.4" Lepidodendron Fossil Mark Mazon Creek Nodule Pennsylvanian Age Illinois Camarasaurus They are easily identified byLocation: Francis Creek Shale Formation, Illinois Weight: 6. 2 Ounces Dimensions: 3. 4 Inches Long, 2. 4 Inches Wide, 0. 8 Inches Thick (Nodule) Leaf Dimensions: 3. 4 Inches Long, 2. 4 Inches Wide The item pictured is the one you will receive. Pensylvanian Age, 370 million years ago Lepidodendron Fossil Bark The Mazon Creek fossils date back to the Pennsylvanian sub period (roughly 307 million years ago). During this time, the area was a tropical