Where: Lincoln County, Nevada (37.8° N, 114.6° W: paleocoordinates 3.5° S, 95.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bolbolenellus euryparia trilobite zone, C-Shale Member (Pioche Shale Formation), Dyeran (515.3 - 511.2 Ma)

• Was Lenian. Was Olenellus zone.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: mesofossils

Preservation: cast, replaced with silica

Collection methods: chemical,

• Includes all trilobites and supplementary information on brachiopods used to prove lack of significant erosional relief.

Primary reference: A. R. Palmer. 1998. Terminal Early Cambrian extinction of the Olenellina: documentation from the Pioche Formation, Nevada. Journal of Paleontology 72(4):650-672 [M. Patzkowsky/P. Borkow]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9820: authorized by Mark Patzkowsky, entered by Phil Borkow on 23.01.2001, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)