Where: Scott County, Missouri (37.2° N, 89.5° W: paleocoordinates 25.6° S, 76.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Middle Member (Dutchtown Formation), Cassinian (482.3 - 470.0 Ma)

• N. American Conodont zone 5 (middle Whiterockian)

• group of beds-level stratigraphic resolution

Environment/lithology: argillaceous limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk, hydrochloric

Primary reference: M. F. Fix. 1975. The Paleontology and stratigraphy of the Smithville and Blackrock Formations of Southeastern Missouri. M.S. Thesis, Geology, Washington University 1-147 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 75554: authorized by Pete Wagner, entered by Pete Wagner on 16.10.2007

Creative Commons license: CC BY (attribution)