Reticycloceras spClass Cephalopoda, Subclass Nautiloidea, Order Nautilida, Family Pseudorthoceratidae Geological Time: Mississippian (~320 m.y.a.) Size (25.4 mm = 1 inch): Orthocone fossil is 83 mm long by 20 mm across Matrix: 110 mm by 90 mm and 105 mm by 100 mm pair Fossil Site: Heath Shale Formation, Bear Gulch Limestone, Fergus County, Montana Fossil Code: BGF664 Price: Sold |
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