undet. Scaphopoda

Geological context: Late Cretaceous, Fox Hills Fm, Iron Lightning Mbr. Collection locality: 2 shell lenses 2 in thick, one 12.5 ft wide and the other, 8 in below, 8 ft wide, about 50 ft [100 ft per KMW] below Hell Creek [probably horizon top of 1st (lower) Colgate, or keybed per KMW], base of Iron Lightning badlands face, 3 mi S of Moreau River, and 4.1 mi SSE of Iron Lightning, Ziebach County, South Dakota, USA. Collected by Ian G. Speden, 1962. IP number 314123; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=on same slab: IP.314123,IP.314124,IP.314125,IP.314126,IP.314127,IP.314128,IP.314129,IP.314130,IP.314131,IP.314132,IP.314133,IP.314134,IP.314135,IP.314136,IP.314137,IP.314138,IP.314139,IP.314140,IP.314141,IP.314142,IP.314143,IP.314144,IP.314145,IP.314146,IP.314147,IP.314148,IP.314149,IP.314150,IP.314151,IP.314152,IP.314153,IP.314154.