Where: Eureka County, Nevada (39.9° N, 116.3° W: paleocoordinates 11.8° S, 65.6° W)

• coordinate estimated from map

When: Roberts Mountain Formation, Ludfordian (425.6 - 423.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: offshore ramp; lithified dolomite

Size class: microfossils

Preservation: original phosphate

Collection methods: bulk, chemical, acetic, sieve

Primary reference: G. Klapper and M. A. Murphy. 1974. Silurian-Lower Devonian conodont sequence in the Roberts Mountains Formation of central Nevada. University of California Publications in Geological Sciences 111:1-62 [E. Jarochowska/E. Jarochowska]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 181240: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 26.08.2016

Creative Commons license: CC BY (attribution)