YPM 35096

Late Cretaceous, Maastrichtian, Fox Hills Fm, Timber Lake Mbr. Includes CAZ and Sphenodiscus Layer, all collections from float and in sand banks of roadcut of abandoned US Rt. 12, RR cut and spillway of Lantry Dam, 1.5 mi WNW of Lantry, Lantry Quad., CENTER SW SW Sec4T12NR22E, Dewey Co., South Dakota, USA. Collector: Waage, K.M. & Speden, I.G., 1940 to 1962.