Where: Nevada (39.4° N, 114.8° W)

• Paleocoordinates: 32.3° N, 120.8° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dunderberg Formation, Steptoean to Steptoean (497.0 - 486.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: lithified shale and lithified limestone

Collection methods: Collection focuses on the identification of trilobites.

Primary reference: A. R. Palmer. 1999. Stratotype boundary of the Steptoean Stage, McGill Nevada. Laurentai 99: V field conference of the Cambrian Stage Subdivision Working Group, International Subcomission on Cambrian Stratigraphy 22-23 [M. Patzkowsky/P. Borkow]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 10506: authorized by Mark Patzkowsky, entered by Phil Borkow on 14.05.2001

Creative Commons license: CC0 (CC0)