Where: Shannon County, Missouri (37.2° N, 91.3° W: paleocoordinates 23.7° S, 81.8° W)

• outcrop-level geographic resolution

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

• The Van Buren Formation (Bridge 1930) is now referred to in an interval sense with the Van Buren fauna comprising a zone in the lowerpart of the Gasconade Formation.

• formation-level stratigraphic resolution

Environment/lithology: lithified chert and 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 189356: authorized by Björn Kröger, entered by Björn Kröger on 13.10.2017

Creative Commons license: CC BY (attribution)