USNM Locality 1p. 3 miles southeast of Barrel Spring, half mile east of road. (Cambrian of the United States)

Where: Esmeralda County, Nevada (37.5° N, 117.5° W: paleocoordinates 1.1° S, 95.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, silty limestone

• shaly limestone containing fragments of Olenellus.

Size classes: macrofossils, mesofossils

Preservation: mold/impression

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 203344: authorized by Pete Wagner, entered by Pete Wagner on 12.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

 Paterinida - Paterinidae
"Micromitra (Paterina) prospectensis" = Paterina prospectensis
"Micromitra (Paterina) prospectensis" = Paterina prospectensis Walcott 1884
 Orthida - Eoorthidae
"Nisusia (Jamesella) argenta n. sp." = Pompeckium argenteum
"Nisusia (Jamesella) argenta n. sp." = Pompeckium argenteum Walcott 1905
 Redlichiida - Olenellidae
"Olenellus fremonti" = Mesonacis fremonti, Olenellus gilberti
"Olenellus fremonti" = Mesonacis fremonti Walcott 1910 trilobite
Olenellus gilberti White 1874 trilobite