Also known as SF 19
Where: Nye County, Nevada (38.5° N, 116.4° W: paleocoordinates 6.1° S, 80.8° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: M-N trilobite zone, Middle Member (Antelope Valley Formation), Whiterockian (470.0 - 457.3 Ma)
• Whiterockian; no formal stage
• 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 104374: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Demospongiae | |
|
Calycocoelia typicalis Bassler 1927 demosponge | |
| Ostracoda | |
|
Eoleperditia cf. bivia ostracod | |
|
Leperditella aff. incisa ostracod | |
|
Cryptophyllus sp. Levinson 1951 ostracod | |
|
? Paraschmidtella sp. Sidaraviciené 1992 ostracod | |
|
? Hyperchilarina sp. Harris 1957 ostracod | |
| Trilobita | |
|
Bathyurus acutus Raymond 1913 trilobite subspecies angustus; same subsp. as D 1438 CO from Hot Creek
| |
|
? Pseudomera sp. Holliday 1942 trilobite | |
| Rhynchonellata | |
|
Anomalorthis sp. Ulrich and Cooper 1936 | |
| Strophomenata | |
|
| |