Oxytoma (Hypoxytoma) nebrascana

Geological context: Late Cretaceous, Fox Hills Fm, Trail City Mbr. Collection locality: float, Limopsis-Corbula-Gervillia conc., butte-like toe of SE-trending spur and adjoining outcrops and float areas, "Happy Hill", SE of Bench Mark Church, and about 6 mi WSW of Little Eagle, Corson County, South Dakota, USA. Collected by Ian G. Speden, 1962. IP number 655654; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=IP.655657,IP.655691,IP.655687,IP.655700,IP.655701,IP.655692,IP.655693,IP.655695,IP.655697,IP.655698,IP.655699,IP.655666,IP.655665,IP.655672,IP.655675,IP.655676,IP.655686,IP.655662,IP.655655,IP.655656,IP.655658,IP.655659,IP.655660,IP.655661,IP.655664,IP.655667,IP.655668,IP.655669,IP.655670,IP.655671,IP.655673,IP.655674,IP.655677,IP.655678,IP.655679,IP.655680,IP.655681,IP.655682,IP.655683,IP.655684,IP.655685,IP.655688,IP.655689,IP.655690,IP.655694,IP.655696,IP.655702,IP.655703,IP.655704,IP.655705,IP.655663.