opposite the mouth of Dry Creek on road to Potosi (Ordovician of the United States)

Also known as 10 miles east of Steelville

Where: Crawford County, Missouri (39.0° N, 91.2° W: paleocoordinates 23.1° S, 80.0° W)

• outcrop-level geographic resolution

When: Gasconade Formation, Gasconadian (485.4 - 477.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: dolomite

Size classes: macrofossils, mesofossils

Preservation: recrystallized, original aragonite

Primary reference: E. O. Ulrich, A. F. Foerste, and A.K. Miller. 1943. Ozarkian and Canadian cephalopods. Part II, Brevicones. Geological Society of America Special Papers 49:1-240 [P. Wagner/P. Wagner/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189323: authorized by Björn Kröger, entered by Björn Kröger on 11.10.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ellesmerocerida - Ellesmeroceratidae
Caseoceras subconicum Ulrich et al. 1943