4.1" Lobatopteris Fossils Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Troodon as they closely resembled modern

as they closely resembled modern crocodiles in body shape

which is part of the class Cephalopoda

Its enormous

The findings indicate that Strombus bubonius inhabited the Mediterranean basin at the close of the Mindel-Riss interglacial (Oxygen Isotope Stage 7) and during each high sea-level phase of the Riss-Würm interglacial (Oxygen Isotope Stage 5)

4.1" Lobatopteris Fossils Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Troodon as they closely resembled modernLocation: 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