USGS 3533-CO (Cambrian of the United States)

Where: Nye County, Nevada (37.1° N, 116.0° W: paleocoordinates 3.2° S, 90.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dicanthopyge trilobite zone, Bonanza King Formation, Steptoean (501.0 - 485.4 Ma)

• Footage estimated from scaled stratigraphic section (plate 23)

• bed-level stratigraphic resolution

Environment/lithology: 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 111322: authorized by Melanie Hopkins, entered by Melanie Hopkins on 23.06.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Norwoodiidae
Hardyoides mimicus Palmer 1965 trilobite
 Olenida - Aphelaspidae
Olenaspella paucisegmenta Palmer 1965 trilobite
Listroa toxoura Palmer 1962 trilobite
Dicanthopyge convergens Palmer 1965 trilobite