D1478 CO (Ordovician of the United States)

Also known as SF 14

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 trilobite zone, Middle Member (Antelope Valley Formation), Whiterockian (470.0 - 457.3 Ma)

• Whiterockian; no formal stage. Should be Kanoshian.

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• carbonate platform
• silty; fine-grained; Girvanella abundant

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 104369: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
"small ostracode"
Ostracoda
 Leperditicopida - Leperditiidae
Trilobita
 Proetida - Bathyuridae
Bathyurus sp. Billings 1859 trilobite
same as in D 1816 CO at Steptoe
Rhynchonellata
 Orthida - Anomalorthidae
Anomalorthis sp. Ulrich and Cooper 1936