Oxytoma (Hypoxytoma) nebrascana
From the collection of Yale Peabody Museum. Free to download, adapt and use — no permission needed.
Geological context: Late Cretaceous, Fox Hills Fm, Trail City Mbr. Collection locality: various layers in road cut on E side of spur and on W side of old US 12 about .75 mi S of intersection with Wakpala road, N side of hill with Ridgeview 1954 bench mark, and 4.5 mi S of Mahto, Corson County, South Dakota, USA. Collected by Karl M. Waage, George Colton, 1949. IP number 562134; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=on same slab: IP.562134,IP.562930,IP.562922,IP.562923,IP.562924,IP.562925,IP.562926,IP.562927,IP.562928,IP.562929,IP.562931,IP.562940,IP.562941,IP.562942,IP.562943,IP.562932,IP.562933,IP.562934,IP.562935,IP.562936,IP.562937,IP.562938,IP.562939.
Yale Peabody Museum’s own description