Lepidasterella montanensisClass Stelleroidea, Order Spinulosida, Family Heliathasteridae Geological Time: Mississippian (~320 m.y.a.) Size (25.4 mm = 1 inch): Fossil is 105 mm by 95 mm across Matrix: 210 mm by 175 mm Fossil Site: Heath Shale Formation, Bear Gulch Limestone, Fergus County, Montana Fossil Code: BGF411 Price: Sold |
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