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Wyoming (Private Land Origin)
Pecopteris: The most common fern-like leaf
key to understanding Paleozoic marine biodiversity
displaying an impressive adaptation to various habitats
Pecopteris Fossil Leaves
4.1" Neuropteris Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Point Wyoming (Private Land Origin)Location: Francis Creek Shale Formation, Illinois Weight: 1 Pound 13. 3 Ounces Dimensions: 4. 8 Inches Long, 3. 8 Inches Wide, 2 Inches Thick (Nodule) Leaf Dimensions: 4. 1 Inches Long, 1. 6 Inches Wide The item pictured is the one you will receive. Pensylvanian Age, 370 million years ago Neuropteris 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
