USGS M959, Saurian Hill (Triassic of the United States)

Where: Nevada (40.3° N, 118.1° W: paleocoordinates 11.2° N, 42.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• 12 feet above M957

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by N.J. Silberling in 1960; 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 143218: authorized by Matthew Clapham, entered by Matthew Clapham on 20.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Halobiidae
Daonella cf. moussoni Merian 1853 oyster
Cephalopoda
 Ceratitida - Aplococeratidae
Aplococeras vogdesi Hyatt and Smith 1905 ceratite
 Ceratitida - Proteusitidae
Tozerites gemmellaroi Arthaber 1911 ceratite
 Ceratitida - Ceratitidae
Eutomoceras laubei Meek 1877 ceratite
Parafrechites dunni Smith 1914 ceratite