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This process
serving as ornamental stones
Trilobites are an extinct group of marine arthropods classified under the class Trilobita
It typically forms elongated prismatic crystals and exhibits a range of colors from yellow-green to black
3.9" Annularia Fossil Leaves Mazon Creek Nodule Pennsylvanian Age Split-Pair Apsopelix This processLocation: Francis Creek Shale Formation, Illinois Weight: 9. 7 Ounces Dimensions: 3. 9 Inches Long, 2. 4 Inches Wide,1 Inch Thick (Nodule) Leaf Dimensions: 3. 9 Inches Long, 2. 1 Inches Wide The item pictured is the one you will receive. Pensylvanian Age, 370 million years ago Annularia 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 tropical delta
US$ 11.60
US$ 70.00
US$ 44.95
US$ 16.00
