Ulrich Loc. 453-n. Hilltop 2 miles S of Centerville, on Centerville-Ellington Rd (Cambrian of the United States)

Where: Shannon County, Missouri (37.4° N, 91.0° W: paleocoordinates 22.8° S, 87.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Eminence Formation, Trempealeauan (501.0 - 485.4 Ma)

• Given as Rasettia magna, but every other source puts that in the lower Potosi formation.

• formation-level stratigraphic resolution

Environment/lithology: dolomite

Size class: macrofossils

Preservation: cast

Collected by E. O. Ulrich & Party in 1925

Primary reference: J., J.r. Pojeta, M. J. Vendrasco, and G. Darrough. 2010. Upper Cambrian chitons (Mollusca, Polyplacophora) from Missouri, USA. Bulletins of American Paleontology (379)1-182 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98344: authorized by Pete Wagner, entered by Pete Wagner on 01.10.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Eogastropoda - Sinuopeidae
"Dirhachopea subrotunda" = Schizopea subrotunda, Schizopea typica
"Dirhachopea subrotunda" = Schizopea subrotunda Ulrich et al. 1931 snail
Schizopea typica Ulrich et al. 1931 snail
Polyplacophora
 Paleoloricata - Mattheviidae
"Preacanthochiton depressus" = Chelodes
"Preacanthochiton depressus" = Chelodes chiton