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producing hydrogen sulfide
expanding its hunting range beyond shallow coastal waters
making them highly sought after by collectors and enthusiasts of natural history
Dental evidence suggests a feeding strategy suited to large prey
preserving every delicate detail exactly as nature intended
10.1" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Crocodile producing hydrogen sulfideLocation: Llewellyn Formation, St Clair, Pennsylvania Weight: 2 Pounds 10. 4 Ounces Dimensions: 10. 1 Inches Long, 5. 2 Inches Wide, 0. 6 Inches Thick (Plate) Comes with a Certificate of Authenticity. Comes with a Free Stand. The item pictured is the one you will receive. Pennsylvanian Age, 300 million years old. Alethopteris Sp Fern Fossil Long before modern forests existed, dense swamp ecosystems covered much of the Earth during the Pennsylvanian
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