Ulrich Loc. 100-i. 5 miles southwest of Eminence (Cambrian of the United States)

Where: Shannon County, Missouri (37.1° N, 90.4° W: paleocoordinates 23.3° S, 87.2° W)

• outcrop-level geographic resolution

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

• formation-level stratigraphic resolution

Environment/lithology: dolomite

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Primary reference: E. O. Ulrich, A. F. Foerste, and J. Bridge. 1931. Systematic Paleontology. Geology of the Eminence and Cardareva Quadrangles 186-225 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 154349: authorized by Pete Wagner, entered by Pete Wagner on 16.02.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Eogastropoda - Sinuopeidae
"Dirhachopea appressa" = Schizopea subrotunda
"Dirhachopea appressa" = Schizopea subrotunda Ulrich et al. 1931 snail