Coleoptera. : South Dakota. Dewey County. ls conc. layers below upper bentonite, NW-facing bluff S of Moreau River, .2 mi SW of SD Rt. 63, and 2 mi NE of Green Grass. [32; 32a; 13D; JFM1-60]. Coll: Waage, K. M., Speden, I. G., Mello, J. F. 1940 - 1960. Late Cretaceous. Maastrichtian. Montana Grp. Pierre Sh. upper Mobridge Mbr.;

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