Where: Camden County, Missouri (38.0° N, 92.0° W)

• Paleocoordinates: 12.7° N, 108.1° W (Wright 2013)

• outcrop-level geographic resolution

When: Gasconade Formation, Tremadoc (486.4 - 477.1 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: reef, buildup or bioherm; lithified chert

Preservation: original calcite, replaced with silica

Collection methods: Taxonomic list does not include stromatolites in which specimens were found.

Primary reference: B. L. Stinchcomb. 1986. New Monoplacophora (Mollusca) from Late Cambrian and Early Ordovician of Missouri. Journal of Paleontology 60(3):606-626 [M. Patzkowsky/P. Borkow/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8944: authorized by Mark Patzkowsky, entered by Phil Borkow on 07.09.2000

Creative Commons license: CC0 (CC0)