Also known as SF 160
Where: Nye County, Nevada (37.1° N, 116.5° W: paleocoordinates 5.4° S, 85.2° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: J trilobite zone, Paiute Ridge Member (Antelope Valley Formation), Blackhillsian (474.9 - 470.0 Ma)
• Ibexian; Lower part of member
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified limestone
Size class: macrofossils
Preservation: replaced with silica
Collected by J. Ross, Jr.
Collection methods: bulk,
Primary reference: R. J. Ross, Jr. and C. R. Longwell. 1964. Middle and Lower Ordovician Formations in Southernmost Nevada and Adjacent California. United States Geological Survey Bulletin 1180-C:C1-C101 [S. Finnegan/S. Finnegan/J. Marcot]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 104301: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Hesperonomia antelopensis Ulrich and Cooper 1936 | |
Diparelasma cf. typicum Ulrich and Cooper 1936 | |
Trilobita | |
"? Goniotelina sp." = Acidiphorus
"? Goniotelina sp." = Acidiphorus Raymond 1925 trilobite | |
Lachnostoma latucelsum Ross 1951 trilobite
Ptyocephalus sp. Agassiz 1843 trilobite
"? Megalaspidella sp." = Asaphellus Callaway 1877 trilobite |