Where: Nye County, Nevada (37.1° N, 116.0° W: paleocoordinates 2.8° S, 90.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Aphelaspis trilobite zone, Mendha Formation, Steptoean (497.0 - 493.5 Ma)

• Footage estimated from scaled stratigraphic section (plate 23). Originally given as Bonanza King formation; re-ided by Armstrong et al. (2020).

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, massive limestone

Size class: macrofossils

Collected by A. R. Palmer in the 1960s; reposited in the USGS, USNM

Collection methods: bulk,

Primary reference: A. R. Palmer. 1965. Trilobites of the Late Cambrian Pterocephaliid Biomere in the Great Basin, United States. United States Geological Survey Professional Paper 493:1-105 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 111321: authorized by Melanie Hopkins, entered by Melanie Hopkins on 23.06.2011, edited by Pete Wagner

Creative Commons license: CC BY (attribution)