D 1830 CO ( of the United States)

Also known as SF 647

Where: White Pine County, Nevada (39.5° N, 114.9° W: paleocoordinates 5.5° S, 84.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: H? trilobite zone, Woodward C Formation (Pogonip Group), Ibexian (487.5 - 470.0 Ma)

• Ibexian

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone

• carbonate ramp, above wave base
• thin-bedded; cherty; calcarenites fine-grained, minor intraformational conglomerate

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 104563: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
"Brachiopod"
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
"Trilobite"
 Proetida - Hystricuridae
Psalikilus cf. pikum Hintze 1953 trilobite
 Proetida - Bathyuridae
? Licnocephala sp. Ross 1951 trilobite