Coleoptera. : South Dakota. Ziebach County. conc., richly fossiliferous conc zone about 15 ft above large-conc layer, bluffs S of the Moreau River, between the forks of the county roads leading NW to the village and N to the bridge, and about 1 mi SE of Thunder Butte village. [73; 73j]. Coll: Speden, I. G. 1962. Late Cretaceous. Maastrichtian. Fox Hills Fm. Trail City Mbr. Irish Creek Lithofacies. Cucullaea Assemblage Zone.;

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Keywords: animalia, arthropoda, coleoptera., hexapoda, insecta, pter, undet.