2.25 Inch Jurassic Spiny Ammonite Fossil SpecimenNorth American Artifact Auctions4.7(247)$10Nov 7, 2026
3 1/8" Translucent Ammonite Fossil Found in Madagascar. 145-100 years old Jurassic-CretaceousNorth American Artifact Auctions4.7(247)$10Nov 7, 2026
Fossil Shell Ammonite (Perispimctes) Jurassic, 8x2½ British, Dorset, Full Large, 200 Million YeWilliam George4.2(15)£20(1 bid)
