undet. Mollusca

Geological context: Late Cretaceous, Fox Hills Fm, Timber Lake Mbr. Collection locality: float, 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 336187; lot count 1; original nature=chip/slab (multi-specimen); accn=IPA.07048; associatedwith=on same slab: IP.336167,on same slab: IP.336168,on same slab: IP.336169,on same slab: IP.336170,on same slab: IP.336171,on same slab: IP.336172,on same slab: IP.336173,on same slab: IP.336174,on same slab: IP.336175,on same slab: IP.336176,on same slab: IP.336177,on same slab: IP.336178,on same slab: IP.336179,on same slab: IP.336180,on same slab: IP.336181,on same slab: IP.336182,on same slab: IP.336183,on same slab: IP.336184,on same slab: IP.336185,IP.336186,IP.336188.