HUGE 11" Polished Orthoceras Fossil Plate. Amazing Display Specimen. 200-500 Million Years Old,Heartland Artifact Auctions4.6(880)$10Apr 19, 2026
Extra-Large Orthoceras Slab Fossil On Steel Stand (Orthoceras sp)Weatherham Estate Treasures4(235)See Sold PriceJul 10, 2025
HUGE 8 1/2" Polished Orthoceras Fossil Plate. Amazing Display Specimen. 200-500 Million Years Old,Heartland Artifact Auctions4.6(880)$10Apr 19, 2026
ORTHOCERAS DISPLAY ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(505)See Sold PriceJul 20, 2025
Extra-Large Orthoceras Slab Fossil On Steel Stand (Orthoceras sp)Weatherham Estate Treasures4(235)$24516 hrs Left
Lot of 5 Orthoceras Ammonite Fossil, Devonian PeriodHeartland Artifact Auctions4.6(880)$104 days Left
