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undet. Ammonoidea
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: section H, SW-facing bluffs at W end of divide, W of trail, and about 1 mi E of Grand River, and 6 mi SE of Bullhead, Corson County, South Dakota, USA. Collected by Ian G. Speden, 1962. IP number 314536; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=on same slab: IP.314526.
Yale Peabody Museum’s own descriptionSubjects
Credit lineundet. Ammonoidea (YPM IP 314536). Photograph by Jane Lockery. Yale Peabody Museum, Invertebrate Paleontology. CC0.
