5.3" Lobatopteris Fossils Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Bamboo Coral these minerals provide important clues

these minerals provide important clues about past climate conditions

though they could stand on their rear legs to reach higher vegetation or sprint away from predators

6 Inches Thick (Plate)

Exoskeleton: First animals to develop a skeleton

This crest housed part of the nasal passage and is believed to have functioned as a resonating chamber

5.3" Lobatopteris Fossils Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Bamboo Coral these minerals provide important cluesLocation: Francis Creek Shale Formation, Illinois Weight: 1 Pound 4 Ounces Dimensions: 5. 3 Inches Long, 2. 5 Inches Wide, 1. 3 Inches Thick (Nodule) Leaf Dimensions: 5. 3 Inches Long, 2. 5 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