Moroccan Fossil Ammonite Carving with Orthoceras ShellsArtemis Fine Arts4.7(1.5k)$200(1 bid)4 hrs Left
(6) Cretaceous Period Cut and Polished Ammonite FossilsSarasota Estate Auction4.6(666)$30(1 bid)5 days Left
Rare Pyrite Ammonite Fossil. Pyrite ammonites formed through a rare fossilization process, known asHeartland Artifact Auctions4.7(911)$10Sep 6, 2026
