Part and Counterpart Specimen
Reticycloceras spClass Cephalopoda, Subclass Nautiloidea, Order Nautilida, Family Pseudorthoceratidae Geological Time: Mississippian (~ million years ago) Size: Fossil is 80 mm long by 20 mm across Matrix: 120 mm by 50 mm and 110 mm by 80 mm pair Fossil Site: Heath Shale Formation, Bear Gulch Limestone, Fergus County, Montana Fossil Code: BGF155 Price: Sold |
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