ammonites
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Locality 305, south of Eagle Butte (Cretaceous of the United States)

Where: Ziebach County, South Dakota (45.0° N, 101.3° W: paleocoordinates 50.7° N, 75.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Jeletzkytes nebrascensis ammonoid zone, Timber Lake Member (Fox Hills Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Reposited in the YPM

Primary reference: N. H. Landman and K. M. Waage. 1993. Scaphitid ammonites of the Upper Cretaceous (Maastrichtian) Fox Hills Formation in South Dakota and Wyoming. Bulletin of the American Museum of Natural History 215:1-257 [A. Hendy/A. Hendy/A. Hendy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 178657: authorized by Matthew Clapham, entered by Matthew Clapham on 07.05.2016

Creative Commons license: CC BY (attribution)