Where: Pershing County, Nevada (40.3° N, 118.1° W: paleocoordinates 11.2° N, 42.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: meeki ammonoid zone, Fossil Hill Member (Prida Formation), Illyrian (247.2 - 242.0 Ma)
• From Meeki zone or higher
• bed-level stratigraphic resolution
Environment/lithology: basinal (); lithified, lenticular, gray limestone and lithified, calcareous siltstone
Size class: macrofossils
Collected by N.J. Silberling in 1956-1965; reposited in the USNM
Collection methods: surface (float),
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 33322: authorized by David Bottjer, entered by Catherine Powers on 25.07.2003, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Sturia cf. japonica Diener 1916 ceratite | |
Aplococeras smithi Silberling and Nichols 1982 ceratite | |
Eutomoceras dunni Smith 1904 ceratite
Frechites nevadanus Mojsisovics 1888 ceratite | |
Tropigastrites louderbacki Hyatt and Smith 1905 ceratite | |
Atractites solidus Smith 1914 belemnite |