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Ulrich Loc. 455-v. south slope of hill (near top) 4-5 miles S of Potosi (Cambrian of the United States)

Where: Shannon County, Missouri (37.3° N, 91.0° W: paleocoordinates 22.8° S, 87.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Upper Beds Member (Eminence Formation), Trempealeauan (501.0 - 488.3 Ma)

• Authors give this as Rasettia magna zone, but that is below Eminence in all other correlations.

• group of beds-level stratigraphic resolution

Environment/lithology: dolomite

Size class: macrofossils

Preservation: cast

Collected by E. O. Ulrich, C.L. Dake & Martin in 1924

Primary reference: J., J.r. Pojeta, M. J. Vendrasco, and G. Darrough. 2010. Upper Cambrian chitons (Mollusca, Polyplacophora) from Missouri, USA. Bulletins of American Paleontology (379)1-182 [P. Wagner/P. Wagner/P. Wagner] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98345: authorized by Pete Wagner, entered by Pete Wagner on 01.10.2010

Creative Commons license: CC BY (attribution)