D1668 CO (Ordovician of the United States)

Also known as SF 42

Where: Lincoln County, Nevada (37.3° N, 115.4° W: paleocoordinates 7.2° S, 81.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• Whiterockian; no formal stage

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• carbonate platform
• nodular; silty

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 104393: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Ostracoda
 Leperditicopida - Leperditiidae
Eoleperditia bivia
 Palaeocopida - Leperditellidae
? Leperditella sp.
 Palaeocopida - Aparchitidae
Hyperchilarina sp.
Hyperchilarina sp. Harris 1957 ostracod
 Palaeocopida - Eurychilinidae
Eurychilina sp., ? Eurychilina sp.
Eurychilina sp. Ulrich 1889 ostracod
? Eurychilina sp. Ulrich 1889 ostracod
flat velum
 Podocopida - Bairdiidae
Krausella sp.
Krausella sp. ostracod
Rhynchonellata
 Orthida - Orthidae
Orthambonites sp.
Orthambonites sp. Pander 1830