Where: Pershing County, Nevada (40.3° N, 118.1° W: paleocoordinates 11.2° N, 42.3° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: occidentalis ammonoid zone, Fossil Hill Member (Prida Formation), Illyrian (247.2 - 242.0 Ma)
• Nevadites humboldtensis beds
• bed-level stratigraphic resolution
Environment/lithology: basinal (); lithified, lenticular, gray limestone and lithified, calcareous 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 38927: authorized by Alistair McGowan, entered by Alistair McGowan on 17.05.2004, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Daonella dubia Gabb 1864 oyster | |
Cephalopoda | |
"Atractites nevadensis" = Calliconites nevadensis
"Atractites nevadensis" = Calliconites nevadensis Meek 1877 belemnite | |
"? Michelinoceras cf. campanile" = Trematoceras elegans
"? Michelinoceras cf. campanile" = Trematoceras elegans Muenster 1831 | |
Aplococeras parvus Smith 1914 ceratite | |
Longobardites cf. zsigmondyi Bockh 1874 ceratite | |
Humboldtites septentrionalis Smith 1914 ceratite | |
Proarcestes gabbi Meek 1877 ceratite | |
Frechites occidentalis Smith 1914 ceratite
Nevadites humboldtensis Smith 1914 ceratite
Eutomoceras laubei Meek 1877 ceratite | |
Tozerites humboldtensis Smith 1914 ceratite | |
? Thanamites contractus Smith 1914 ceratite |