D1667 CO (Ordovician of the United States)

Also known as SF 41

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; now Kanoshian

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• carbonate platform
• medium-bedded; nodular, silty interbeds

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 104392: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011, edited by Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Protorthida - Skenidiidae
? Skenidioides sp. Schuchert and Cooper 1931
 Orthida - Anomalorthidae
Anomalorthis sp. Ulrich and Cooper 1936
Anomalorthis nevadensis Ulrich and Cooper 1938
Ostracoda
 Leperditicopida - Leperditiidae
 Palaeocopida - Leperditellidae
 Palaeocopida - Eurychilinidae
Eurychilina sp. Ulrich 1889 ostracod
Trilobita
 Phacopida - Pliomeridae
? Cybelopsis sp. Poulsen 1927 trilobite
 Proetida - Bathyuridae
Bathyurus sunbloodensis Tremblay and Westrop 1991 trilobite
 Corynexochida - Illaenidae
Illaenus utahensis Hintze 1953 trilobite