Bidspirit auction | 23 LB. LARGE ORTHOCERAS FOSSIL

23 LB. LARGE ORTHOCERAS FOSSIL SPECIMEN 19 X 15” - 134084 23 LB. LARGE ORTHOCERAS FOSSIL SPECIMEN 19 X 15” 19 X 15” large 23 Lb. Orthoceras fossil specimen from the middle Ordovician time period (485-443 million years ago). Orthoceras is a genus of extinct nautiloidcephalopods. Condition: Very fine Mineral specimens