Also known as SF 12
Where: Nye County, Nevada (36.7° N, 116.2° W: paleocoordinates 6.4° S, 84.0° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Paralenorthis-Orthidiella brachiopod zone, Barnes Unit 12 Member (Antelope Valley Formation), Rangerian (470.0 - 470.3 Ma)
• Ibexian; Zone L.
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified limestone
Size class: macrofossils
Preservation: replaced with silica
Collected by J. Ross, Jr. H. B. Barnes
Collection methods: bulk,
Primary reference: R. J., J.r. Ross and H. B. Barnes. 1967. Some Middle Ordovician Brachiopods and Trilobites from the Basin Ranges, Western United States. United States Geological Survey Professional Paper 523-D:D1-D4 [S. Finnegan/S. Finnegan/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 104634: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Orthambonites sp. Pander 1830 | |
Orthidiella sp., Orthidium barnesi n. sp.
Orthidiella sp. Ulrich and Cooper 1936 |