D1862 CO (Ordovician of the United States)

Also known as SF 86

Where: Eureka County, Nevada (39.2° N, 116.3° W: paleocoordinates 6.0° S, 80.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: N? brachiopod zone, Upper Member (Antelope Valley Formation), Whiterockian (470.0 - 457.3 Ma)

• Ibexian

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• carbonate platform
• medium-bedded

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 104432: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida -
Asaphida indet. Salter 1864 trilobite
"Asaphid"
Strophomenata
 Strophomenida - Plectambonitidae
? Plectambonitidae indet. Kozlowski 1929
"Plectambonitid"
 Strophomenida - Leptellinidae
"Leptellina cf. occidentalis" = Leptellina (Leptellina) occidentalis
"Leptellina cf. occidentalis" = Leptellina (Leptellina) occidentalis Ulrich and Cooper 1938