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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: Dewey County, South Dakota, USA. Collected by Helen Ross. IP number 597744; lot count 1; taphonomy=concretion; accn=IPA.07175; associatedwith=on same slab: IP.597731.
Yale Peabody Museum’s own descriptionSubjects
Credit lineundet. Mollusca (YPM IP 597744). Photograph by Elizabeth Scheibe. Yale Peabody Museum, Invertebrate Paleontology. CC0.