ammonites
Johnson County, Coralville Formation (Devonian of the United States)

Where: Johnson County, Iowa (41.5° N, 91.5° W: paleocoordinates 34.4° S, 37.5° W)

When: Cou Falls Member (Coralville Formation), Givetian (388.1 - 383.7 Ma)

• Late disparilis

Environment/lithology: marine

Reposited in the MCZ, USNM, YPM

Primary reference: A. L. Rode and B. S. Lieberman. 2004. Using GIS to unlock the interactions between biogeography, environment, and evolution in middle and Late Devonian brachiopods and bivalves. Palaeogeography, Palaeoclimatology, Palaeoecology 211(3-4):345-359 [A. Stigall/A. Stigall/A. Stigall] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 54381: authorized by Alycia Stigall, entered by Alycia Stigall on 27.09.2005