Tractor Ammonite Fossil. Douvilleiceras. Mid - Late CretaceousHeartland Artifact Auctions4.7(874)$10Mar 22, 2026
Ammonite Fossil. Found in Madagascar. 240 - 66 Million Years Old. Devonian Period to the CretaceousHeartland Artifact Auctions4.7(874)$10Mar 22, 2026
Outstanding Iridescence. Ammonite Fossil. 110 Million Years Old. Cleoniceras AmmoniteHeartland Artifact Auctions4.7(874)$10Mar 22, 2026
