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undet. Ostreidae
From the collection of Yale Peabody Museum. Free to download, adapt and use — no permission needed.
About this work
Geological context: Late Cretaceous, Fox Hills Fm, Trail City Mbr. Collection locality: concs., N end of bluff face, Limopsis association, E-facing bluff of sharp ridge on W bank of Grand River at E-W part of bend, 2.5 mi S of Bullhead, Corson County, South Dakota, USA. Collected by Ian G. Speden, 1962. IP number 392562; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=on same slab: IP.392287.
Yale Peabody Museum’s own descriptionSubjects
Credit lineundet. Ostreidae (YPM IP 392562). Photograph by Susan H. Butts. Yale Peabody Museum, Invertebrate Paleontology. CC0.
