Where: Esmeralda County, Nevada (37.8° N, 117.8° W: paleocoordinates 1.0° S, 94.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bonnia - Olenellus trilobite zone, Middle Member (Poleta Formation), Dyeran (515.3 - 511.2 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, green, argillaceous, calcareous shale

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by F. B. Weeks in 1899; reposited in the LACM, TMM, UCMP, USNM

Collection methods: quarrying, surface (float), surface (in situ)

Primary reference: C. D. Walcott. 1912. Cambrian Brachiopoda. United States Geological Survey Monograph 51(1-2) [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 203345: authorized by Pete Wagner, entered by Pete Wagner on 12.08.2019

Creative Commons license: CC BY (attribution)