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undet. Mollusca
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: conc., 6 ft below limopsis layer, W end of SW-facing bluff of high knob in ridge, S of trail, Whitehorse ridge, and 4.5 mi NW of Whitehorse, Dewey County, South Dakota, USA. Collected by Ian G. Speden, 1962. IP number 901437; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=on same slab: IP.901421.
Yale Peabody Museum’s own descriptionSubjects
Credit lineundet. Mollusca (YPM IP 901437). Photograph by Elizabeth Scheibe. Yale Peabody Museum, Invertebrate Paleontology. CC0.
