Also known as SF 59
Where: Clark County, Nevada (37.3° N, 115.8° W: paleocoordinates 6.9° S, 81.8° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: M brachiopod zone, Antelope Valley Formation (Pogonip Group), Whiterockian (470.0 - 457.3 Ma)
• Whiterockian; Rangerian
• 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., J.r. Ross. 1970. Ordovician Brachiopods, Trilobites, and Stratigraphy in Eastern and Central Nevada. United States Geological Survey Professional Paper 639:1-99 [S. Finnegan/S. Finnegan/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 104410: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
"? Goniotelina sp." = Acidiphorus
"? Goniotelina sp." = Acidiphorus Raymond 1925 trilobite | |
Rhynchonellata | |
Anomalorthis oklahomensis Ulrich and Cooper 1938
Anomalorthis nevadensis Ulrich and Cooper 1938 |