Also known as SF 640
Where: Clark County, Nevada (36.7° N, 114.9° W: paleocoordinates 5.9° S, 87.0° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: M-N brachiopod zone, Pogonip Group, Ibexian (487.5 - 470.0 Ma)
• Ibexian
• group of beds-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified limestone
Size class: macrofossils
Preservation: replaced with silica
Collected by J. Ross, Jr.
Collection methods: surface (float),
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 104365: 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 |