undet. Mollusca

Geological context: Late Cretaceous, Fox Hills Fm, Timber Lake Mbr. Collection locality: around top of SE-trending spur, in field SW of stock pond, .2 mi SSW of Fred Kost ranch house, and 1 mi E of SD Rt. 63, and 2.2 mi NNE of High Elk Hill, and 3.5 mi SSW of Eagle Butte village, Ziebach County, South Dakota, USA. Collected by Karl M. Waage, 1983. IP number 337049; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=IP.337100,IP.337099,IP.337098,IP.337097,IP.337096,IP.337095,IP.337094,IP.337093,IP.337091,IP.337090,IP.337089,IP.337088,IP.337092,IP.337087,IP.337086,IP.337085,IP.337067,IP.337066,IP.337084,IP.337083,IP.337082,IP.337081,IP.337080,IP.337079,IP.337078,IP.337077,IP.337076,IP.337075,IP.337074,IP.337072,IP.337071,IP.337070,IP.337068,IP.337065,IP.337064,IP.337063,IP.337062,IP.337061,IP.337060,IP.337059,IP.337058,IP.337057,IP.337056,IP.337055,IP.337054,IP.337053,IP.337069,IP.337073,IP.337050,IP.337051,IP.337052.