Where: Nevada (40.5° N, 118.1° W: paleocoordinates 11.1° N, 41.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: hyatti ammonoid zone, Fossil Hill Member (Prida Formation), Bithynian (247.2 - 242.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified limestone and lithified siltstone

Size class: macrofossils

Collected by N.J. Silberling in 1965; reposited in the USNM

Primary reference: N. J. Silberling and K. M. Nichols. 1982. Middle Triassic Molluscan Fossils of Biostratigraphic Significance from the Humboldt Range, Northwestern Nevada. Geological Survey Professional Paper 1207 [A. McGowan/A. McGowan/A. McGowan]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 143274: authorized by Matthew Clapham, entered by Matthew Clapham on 22.04.2013

Creative Commons license: CC BY (attribution)