Where: Black Hawk County, Iowa (42.5° N, 92.3° W: paleocoordinates 33.3° S, 37.6° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Gizzard Creek Member (Coralville Formation), Late/Upper Givetian (380.2 - 382.7 Ma)

• Late Givetian, Strophodonta plicata Zone. This collection represents the lower 1.4 m.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; dolomite

Collection methods: Only brachiopods reported by name. Crinoids and stromatoporoids also present.

Primary reference: J. Day. 1988. The brachiopod succession of the Late Givetian-Frasnian of Iowa. In N. J. McMillan, A. F. Embry, and D. J. Glass (eds.), Devonian of the World, Volume III. Canadian Society of Petroleum Geologists. Calgary, Alberta, Canada 303-325 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 35477: authorized by Michael Foote, entered by Michael Foote on 17.12.2003, edited by Alycia Stigall

Creative Commons license: CC BY (attribution)