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This enormous theropod is considered the largest known meat-eating dinosaur
offering context for understanding planetary bodies throughout our solar system
went extinct during the Cretaceous-Tertiary mass extinction
diogenites preserve evidence of deeper crustal or mantle processes
Glacier County
3.6" Pecopteris Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Moon This enormous theropod is consideredLocation: Francis Creek Shale Formation, Illinois Weight: 11. 2 Ounces Dimensions: 3. 7 Inches Long, 2. 7 Inches Wide, 1. 2 Inches Thick (Nodule) Leaf Dimensions: 3. 6 Inches Long, 2. 3 Inches Wide The item pictured is the one you will receive. Pensylvanian Age, 370 million years ago Pecopteris Fontainei 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
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