Also known as SF 173

Where: Nye County, Nevada (38.3° N, 116.4° W: paleocoordinates 4.5° S, 85.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: N? zone, Antelope Valley Ls Formation, Ibexian (488.3 - 471.8 Ma)

• Ibexian

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified dolomite

Size class: macrofossils

Preservation: replaced with silica

Collected by J. Ross, Jr.

Collection methods: bulk,

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

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 104307: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011