4.3" Pecopteris Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Foot Print Weight: 2 Pounds 15

Weight: 2 Pounds 15

Strombus bubonius (now commonly referred to as Persististrombus latus) is a fossil gastropod found in marine terrace deposits throughout the Mediterranean region of Spain

phylogenetic analysis places them as basal crurotarsans

with eyes positioned high on the head

300 million years ago

4.3" Pecopteris Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Foot Print Weight: 2 Pounds 15Location: Francis Creek Shale Formation, Illinois Weight: 1 Pound 1. 5 Ounces Dimensions: 4. 9 Inches Long, 2. 7 Inches Wide, 1. 2 Inches Thick (Nodule) Leaf Dimensions: 4. 3 Inches Long, 1. 5 Inches Wide The item pictured is the one you will receive. Pensylvanian Age, 370 million years ago Pecopteris 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