Where: Pershing County, Nevada (40.3° N, 118.1° W: paleocoordinates 11.2° N, 42.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: meeki ammonoid zone, Fossil Hill Member (Prida Formation), Illyrian (247.2 - 242.0 Ma)
• Frechites nevadanus beds
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 (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 57090: authorized by Alistair McGowan, entered by Alistair McGowan on 02.12.2005, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Daonella americana Smith 1914 oyster | |
Cephalopoda | |
Aplococeras smithi Silberling and Nichols 1982 ceratite | |
Tropigastrites louderbacki Hyatt and Smith 1905 ceratite | |
Proarcestes cf. balfouri Oppel 1863 ceratite | |
Eutomoceras dunni Smith 1904 ceratite
Parafrechites meeki Mojsisovics 1888 ceratite | |
Atractites solidus Smith 1914 belemnite | |
Paranautilus smithi Kummel 1953 nautiloid |