Large polished nacreous Ammonite - Douvilleiceras mammillatum
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Polished Ammonite Fossil On Steel Stand (Cleoniceras sp)7 days LeftFossilized Ammonite SpecimenApr 14, 2026Huge 5 3/4" Cut Ammonite Fossil, Amazing Colors, Highly Polished Example. Hard to find this size!Apr 19, 20262 3/4' x 2' Fossil Ammonite Sliced. Polished Natural Sliced Segaments from Madagascar.Apr 12, 2026Massive 11 1/4" Cut Ammonite Fossil, Amazing Colors, Highly Polished Example. Largest example weApr 19, 2026Large 4 1/2" Cut Ammonite Fossil, Amazing Colors, Highly Polished Example. Harder to find this big!Apr 19, 2026Ammonite Fossil, Found in Madagascar 240-66 Million Years Old, Devonian Period to the Cretaceous PerApr 12, 2026Rare Pyrite Ammonite, Lower Jurassic, Pliensbachian Stage, 190-182 million years BP. Nice PyriteApr 19, 2026Highly Polished Ammonite Fossil, Irridecent with Striking ColorsApr 12, 2026Beautiful Irredescent Polished Ammonite Fossil, Amazing Colors, Highly Polished Example with amazingApr 19, 2026Polished Ammonite FossilApr 12, 2026Nice pair of cut & Polished Ammonite Fossil, Amazing Colors, Highly Polished ExamplesApr 19, 2026Nice pair of cut & Polished Ammonite Fossil, Amazing Colors, Highly Polished ExamplesApr 19, 2026Polished Ammonite FossilApr 12, 2026Tractor Ammonite Fossil, Douvillericeras, Mid - Late CretaceousApr 12, 2026 
