Macroconch

YPM 43299, right side

Late Cretaceous, Maastrichtian, Fox Hills Fm, Trail City Mbr, Little Eagle Lithofacies, Upper nicolleti Assemblage Zone. Little Eagle Quad., SW SE NE Sec7T19NR27E. base of unit 6, lot 3, exposure at toe at W end of spur, on E side of E tributary of Little Oak Creek, and 4 mi SSW of Little Eagle, Concretions, section A, 5.5 ft above Corson Co., South Dakota, USA. Collector: Waage, K.M. 1959.

Left side