4.2" Macroneuropteris Fossils Leaf Mazon Creek Nodule Pennsylvanian Age Split-Pair Epidote Trilobites were pioneers in animal

Trilobites were pioneers in animal design

key to understanding Paleozoic marine ecosystems

Such findings not only shed light on their feeding behaviors but also help scientists reconstruct the ecological niches these massive birds once filled

This vertebral specimen provides direct paleontological evidence of Basilosaurus anatomy and physiology

4.2" Macroneuropteris Fossils Leaf Mazon Creek Nodule Pennsylvanian Age Split-Pair Epidote Trilobites were pioneers in animalLocation: Francis Creek Shale Formation, Illinois Weight: 11. 9 Ounces Dimensions: 4. 7 Inches Long, 2. 6 Inches Wide, 1 Inch Thick (Nodule) Leaf Dimensions: 4. 2 Inches Long, 1. 3 Inches Wide The item pictured is the one you will receive. Pensylvanian Age, 370 million years ago Macroneuropteris Fossil Leaf 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