D1508 CO (Ordovician of the United States)

Also known as SF 97

Where: Nye County, Nevada (39.0° N, 116.6° W: paleocoordinates 5.8° S, 80.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: O? brachiopod zone, Antelope Valley Formation (Pogonip Group), Whiterockian (470.0 - 457.3 Ma)

• Whiterockian; no formal stage

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified limestone

• middle shelf
• silty; thin-bedded; platy

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 104443: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Illaenidae
Illaenus sp. Dalman 1827 trilobite
 Asaphida - Asaphidae
Basilicus mckeei Ross 1970 trilobite
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
"Ostracodes"
Ostracoda
 Leperditicopida - Leperditiidae
Rhynchonellata
 Orthida - Orthidae
"Orthambonites cf. bifurcatus" = Trondorthis bifurcatus
"Orthambonites cf. bifurcatus" = Trondorthis bifurcatus Cooper 1956
 Orthida - Plaesiomyidae
Valcourea sp. Raymond 1911
Strophomenata
 Strophomenida - Hesperomenidae
 Strophomenida - Leptellinidae
Toquimia kirki Ulrich and Cooper 1936