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undet. Ammonoidea
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undet. Ammonoidea

Elissa S. Sorojsrisom · 2018 · Invertebrate Paleontology specimen photograph (FossilSpecimen)

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 concs., on spur where slump, SW-facing exposures on ridge extending NW from bluffs on Timber Lake Mbr, and about .5 mi W of loc C0089, and 2.5 mi WSW of Green Grass, Dewey County, South Dakota, USA. Collected by Karl M. Waage, Ian G. Speden, 1962. IP number 907712; lot count 1; taphonomy=concretion; accn=IPA.07048; associatedwith=on same slab: IP.907712,IP.907715,IP.907720,IP.907718,IP.907714,IP.907719,IP.907721,IP.907713,IP.907722,IP.907716,IP.907717.

Yale Peabody Museum’s own description
Credit lineundet. Ammonoidea (YPM IP 907712). Photograph by Elissa S. Sorojsrisom. Yale Peabody Museum, Invertebrate Paleontology. CC0.

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