Where: Nevada (40.5° N, 118.1° W: paleocoordinates 11.1° N, 41.7° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: hyatti ammonoid zone, Fossil Hill Member (Prida Formation), Bithynian (247.2 - 242.0 Ma)
• Approximately 245 ft (74 m) stratigraphically above base of Fossil Hill Member of Prida Formation and 95 ft (29 m) above M2358.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified limestone and lithified siltstone
Size class: macrofossils
Collected by N.J. Silberling in 1964; 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 143266: authorized by Matthew Clapham, entered by Matthew Clapham on 22.04.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Alanites mulleri n. sp.
Alanites mulleri n. sp. Silberling and Nichols 1982 ceratite | |
"Czekanowskites hayesi" = Tetsaoceras hayesi
"Czekanowskites hayesi" = Tetsaoceras hayesi McLearn 1948 ceratite | |
"Cuccoceras bonaevistae" = Platycuccoceras bonaevistae
"Cuccoceras bonaevistae" = Platycuccoceras bonaevistae Hyatt and Smith 1905 ceratite | |
Isculites tozeri Silberling and Nichols 1982 ceratite | |
? Aulametacoceras humboldtensis n. sp. Silberling and Nichols 1982 nautiloid |