Also known as SF 159
Where: Nye County, Nevada (37.1° N, 116.5° W: paleocoordinates 5.7° S, 84.6° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: J? zone, Paiute Ridge Member (Antelope Valley Formation), Blackhillsian to Blackhillsian (474.9 - 470.3 Ma)
• Ibexian; Originally given as "Lower Paiute Ridge" 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 104300: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Cephalopoda indet. Cuvier 1797 | |
Lingulata | |
? Conotreta sp. Walcott 1889 |