D 726 CO (Ordovician of the United States)

Also known as SF 147

Where: Nye County, Nevada (37.1° N, 116.5° W: paleocoordinates 6.0° S, 83.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: L? brachiopod zone, Paiute Ridge Member (Antelope Valley Formation), Rangerian (470.0 - 470.3 Ma)

• Whiterockian. Originally given as "Lower Paiute Ridge" member.

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified dolomite

• carbonate platform
• shaly

Size class: macrofossils

Preservation: replaced with silica

Collected by J. Ross, Jr.

Collection methods: bulk,

Primary reference: R. J. Ross, Jr. and C. R. Longwell. 1964. Middle and Lower Ordovician Formations in Southernmost Nevada and Adjacent California. United States Geological Survey Bulletin 1180-C:C1-C101 [S. Finnegan/S. Finnegan/J. Marcot]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 104288: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Orthida - Orthidae
"Orthambonites cf. subalata" = Orthis subalata
"Orthambonites cf. subalata" = Orthis subalata Ulrich and Cooper 1938