Where: Millard County, Utah (39.4° N, 113.3° W: paleocoordinates 4.3° S, 91.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bolaspidella trilobite zone, Wheeler Shale Formation, St Davids (513.0 - 501.0 Ma)

• middle part of the formation, "Elrathia kingii beds", Bathyuriscus fimbriatus subzone

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, calcareous shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. K. Rigby. 1978. Porifera of the Middle Cambrian Wheeler Shale, from the Wheeler Amphitheater, House Range, in western Utah. Journal of Paleontology 52(6):1325-1345 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121233: authorized by Wolfgang Kiessling, entered by Uta Merkel on 30.11.2011