Anthracoceras sp.Class Cephalopoda, Order Goniatida, Family Anthracoceratidae Geological Time: Mississippian (~320 m.y.a.) Size (25.4 mm = 1 inch): Fossil is 70 mm 25 mm across living chamber Matrix: 225 mm by 165 mm Fossil Site: Heath Shale Formation, Bear Gulch Limestone, Fergus County, Montana Fossil Code: BGF657 Price: sOLD |
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