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undet. Bivalvia
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: conc. 1, face on SW side of SSE-trending spur, 1.25 mi W of E end of Long's Ridge, Long's Ridge, and 6 mi W of Whitehorse, Dewey County, South Dakota, USA. Collected by Ian G. Speden, 1962.
Yale Peabody Museum’s own descriptionSubjects
Credit lineundet. Bivalvia (YPM IP 347807). Photograph by Madeleine Prangley. Yale Peabody Museum, Invertebrate Paleontology. CC0.
