Orthoceras Ammonite Fossil Devonian Period lot of 5Heartland Artifact Auctions4.7(873)$10Mar 08, 2026
AMMONITE PAIR ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.3(489)$14(2 bids)450 Lots Away
4" Polished Ammonite Fossil 231 Grams Translucent SpecimanHeartland Artifact Auctions4.7(873)$10Mar 08, 2026
6"x5.1/2" Ammonite Fossil Very Large Found In TexasHeartland Artifact Auctions4.7(873)$10Mar 08, 2026
