Ulrich Loc. 373-L. 25’ below sandstone layer, 1+ miles NNW 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)

• bed-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 154350: authorized by Pete Wagner, entered by Pete Wagner on 16.02.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Orthida - Finkelnburgiidae
Finkelnburgia missouriensis n. sp. Ulrich and Cooper 1936
hill a mile north-northwest of Eminence
Gastropoda
 Eogastropoda - Sinuopeidae
"Dirhachopea corrugata" = Schizopea normalis, "Dirhachopea appressa" = Schizopea subrotunda, "Rhachopea typica" = Schizopea typica, "Taeniospira emminencis" = Sinuopea emminencis
"Dirhachopea corrugata" = 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
"Taeniospira emminencis" = Sinuopea emminencis Ulrich et al. 1931 snail