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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, Trail City Mbr. Collection locality: float, conc. 3, conc. 9, conc. 10, conc. 11, outcrops around W end of a spur to W of prairie trail and S of stock dam, and .5 mi W of loc. C0247, S side of Long's Ridge, and 7.9 mi W of Whitehorse, Dewey County, South Dakota, USA. Collected by Ian G. Speden, 1962. IP number 44817; lot count 1; accn=IPA.07048.
Yale Peabody Museum’s own descriptionSubjects
Credit lineSphenodiscus lenticularis (YPM IP 044817). Photograph by Madeleine Prangley. Yale Peabody Museum, Invertebrate Paleontology. CC0.
