Bidspirit auction | 18 LB. ORTHOCERAS FOSSIL SPECIMEN

18 LB. ORTHOCERAS FOSSIL SPECIMEN 16 X 17” - 134085 18 LB. ORTHOCERAS FOSSIL SPECIMEN 16 X 17” 16 X 17” large 18 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