D1770 CO (Ordovician of the United States)

Also known as SF 129

Where: Eureka County, Nevada (39.6° N, 116.3° W: paleocoordinates 5.9° S, 79.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• Ibexian

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• carbonate platform
• silty; fine-grained; fine-grained to aphanitic

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 104475: 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
"N. Gen A"; like in D1669 CO at Pahranagat Range
Ostracoda
 Leperditicopida - Leperditiidae
 Palaeocopida - Leperditellidae
 Palaeocopida - Schmidtellidae
? Paraschmidtella sp. Sidaraviciené 1992 ostracod