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Sphenodiscus lenticularis
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, Timber Lake Mbr. Collection locality: float, and from measured section, Sphenodiscus Layer and CAZ, 2 separate places on SW-facing bluffs, on W side of SD Rt. 63, SE of O'Leary ranch house, and about 1 mi N of Moreau River, and 4 mi NNE of Green Grass, Dewey County, South Dakota, USA. Collected by Karl M. Waage, 1957. IP number 44936; lot count 1; accn=IPA.07048.
Yale Peabody Museum’s own descriptionSubjects
Credit lineSphenodiscus lenticularis (YPM IP 044936). Photograph by Madeleine Prangley. Yale Peabody Museum, Invertebrate Paleontology. CC0.
