Ulrich Loc. 452-q1. Near Munsell School on Winona Rd, north of Winona (Cambrian of the United States)

Where: Shannon County, Missouri (37.0° N, 91.3° W: paleocoordinates 22.6° S, 87.4° 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

Collected by Ulrich, Bain & Ellis in 10/4/1904; 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 154351: authorized by Pete Wagner, entered by Pete Wagner on 16.02.2014, edited by Björn Kröger

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Orthida - Finkelnburgiidae
Finkelnburgia missouriensis1 Ulrich and Cooper 1936
Gastropoda
 Eogastropoda - Sinuopeidae
"Dirhachopea intermedia" = Schizopea normalis, "Dirhachopea appressa" = Schizopea subrotunda, "Rhachopea typica" = Schizopea typica
"Dirhachopea intermedia" = Schizopea normalis Ulrich et al. 1931 snail
"Dirhachopea appressa" = Schizopea subrotunda Ulrich et al. 1931 snail
"Rhachopea typica" = Schizopea typica Ulrich et al. 1931 snail
Tergomya
 Kiringellida - Hypseloconidae
Shelbyoceras robustum2 Ulrich and Foerste 1936