Also known as SF 50
Where: Lincoln County, Nevada (37.3° N, 115.4° W: paleocoordinates 6.2° S, 84.8° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: J trilobite zone, Ninemile Formation, Blackhillsian (474.9 - 470.0 Ma)
• Ibexian; Blackhillsian; was Antelope Valley Limestone
• 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 104401: 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 | |
Trigonocerca sp. Ross 1951 trilobite | |
Rhynchonellata | |
? Hesperonomia sp. Ulrich and Cooper 1936 |