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 655599; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=IP.655614,IP.655620,IP.655628,IP.655634,IP.655635,IP.655639,IP.655643,IP.655647,IP.655650,IP.655645,IP.655653,IP.655613,IP.655627,IP.655629,IP.655631,IP.655626,IP.655600,IP.655601,IP.655602,IP.655603,IP.655604,IP.655605,IP.655606,IP.655607,IP.655608,IP.655609,IP.655610,IP.655611,IP.655612,IP.655615,IP.655616,IP.655617,IP.655618,IP.655619,IP.655621,IP.655622,IP.655623,IP.655624,IP.655625,IP.655630,IP.655632,IP.655633,IP.655636,IP.655637,IP.655638,IP.655640,IP.655641,IP.655642,IP.655644,IP.655646,IP.655648,IP.655649,IP.655651,IP.655652.