Ammonite Fossil. Found in Madagascar. 240 - 66 Million Years Old. Devonian Period to the CretaceousHeartland Artifact Auctions4.7(872)$10Mar 22, 2026
4" Polished Ammonite Fossil 231 Grams Translucent SpecimanHeartland Artifact Auctions4.7(872)$106 days Left
2 RIBBED AMMONITE FOSSILS FROM THE JURASSIC PERIODLewis & Maese Antiques & Auction4.4(548)$506 days Left
2 NATURAL RIBBED AMMONITE FOSSILS FROM THE JURASSILewis & Maese Antiques & Auction4.4(548)$906 days Left
