Ulrich Loc. 438-r. Hill in woods ½ miles west of Eminence (Cambrian of the United States)

Where: Shannon County, Missouri (37.2° N, 91.4° W: paleocoordinates 22.6° S, 87.3° 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 R.D. Mesler in 1916; 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 154353: authorized by Pete Wagner, entered by Pete Wagner on 16.02.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Eogastropoda - Sinuopeidae
"Rhachopea transitans n. sp." = Schizopea transitans, "Dirhachopea normalis n. gen. n. sp." = Schizopea normalis
"Rhachopea transitans n. sp." = Schizopea transitans Ulrich et al. 1931 snail
"Dirhachopea normalis n. gen. n. sp." = Schizopea normalis Ulrich et al. 1931 snail