D 839 CO (Ordovician of the United States)

Also known as SF 595

Where: Nye County, Nevada (38.3° N, 116.4° W: paleocoordinates 5.2° S, 84.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Pseudocybele nasuta trilobite zone, Ninemile Formation, Blackhillsian (474.9 - 470.0 Ma)

• Ibexian Zone J.

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified siltstone and lithified limestone

• middle shelf

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 104351: 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
Trilobita
 Phacopida - Pliomeridae
? Pseudocybele sp.
? Pseudocybele sp. Ross 1951 trilobite
nov
 Asaphida -
Asaphida indet.
Asaphida indet. Salter 1864 trilobite
"Asaphid"
 Asaphida - Asaphidae
Notopeltis orthometopa, Lachnostoma latucelsum
Notopeltis orthometopa Harrington 1938 trilobite
Lachnostoma latucelsum Ross 1951 trilobite
Rhynchonellata
 Orthida - Hesperonomiidae
Hesperonomia cf. crassa
Hesperonomia cf. crassa Ulrich and Cooper 1936