D1682 CO (Ordovician of the United States)

Also known as SF 615

Where: Lincoln County, Nevada (37.3° N, 115.4° W: paleocoordinates 6.2° S, 84.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: I? trilobite zone, Ninemile Formation, Blackhillsian (474.9 - 470.0 Ma)

• Ibexian; Blackhillsian

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified limestone

• middle shelf
• 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 104549: 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
Rhynchonellata
 Orthida - Hesperonomiidae
? Hesperonomia sp.
? Hesperonomia sp. Ulrich and Cooper 1936
Trilobita
 Asaphida - Asaphidae
Trigonocerca sp.
Trigonocerca sp. Ross 1951 trilobite
 Proetida - Dimeropygidae
Ischyrotoma sp.
Ischyrotoma sp. Raymond 1925 trilobite
 Phacopida - Pliomeridae
Pliomeridae indet.
Pliomeridae indet. Raymond 1913 trilobite
"Pliomerid"