Where: Nevada (40.3° N, 118.1° W: paleocoordinates 11.2° N, 42.3° 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. 163 ft (50 m) above base of section, meeki zone.
• bed-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 40751: authorized by Alistair McGowan, entered by Alistair McGowan on 30.06.2004, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Eutomoceras dunni Smith 1904 ceratite | |
Tropigastrites louderbacki Hyatt and Smith 1905 ceratite | |
Atractites solidus Smith 1914 belemnite |