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undet. Sphenodiscidae
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: float, on outcrop and in river bed, high bluff on N bank of Grand River, about .5 mi W of Bullhead, Corson County, South Dakota, USA. Collected by Karl M. Waage, 1956/1959. IP number 78024; lot count 1; accn=IPA.07048.
Yale Peabody Museum’s own descriptionSubjects
Credit lineundet. Sphenodiscidae (YPM IP 078024). Photograph by Madeleine Prangley. Yale Peabody Museum, Invertebrate Paleontology. CC0.
