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

• coordinate estimated from map

• 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: basinal (); lithified, lenticular, gray limestone and lithified siliciclastic

Size class: macrofossils

Collected by N.J. Silberling in 1956-1965; reposited in the USNM

Collection methods: surface (in situ),

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 40754: authorized by Alistair McGowan, entered by Alistair McGowan on 30.06.2004, edited by Matthew Clapham and Christina Feng

Creative Commons license: CC BY (attribution)