D 1004 CO (Ordovician of the United States)

Also known as SF 186

Where: Inyo County, California (36.9° N, 118.1° W: paleocoordinates 5.8° S, 85.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: N-O brachiopod zone, Badger Flat Formation, Whiterockian (470.0 - 457.3 Ma)

• Whiterockian; "probably N-O"

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified limestone

• middle shelf
• silty; nodular; yellowish to brownish, argillaceous

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 104319: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Pentamerida - Tetralobulidae
Rhysostrophia occidentalis Ulrich and Cooper 1936
 Orthida - Plectorthidae
"? Orthambonites cf. mazourkensis" = Plectorthis mazourkaensis, "Orthambonites patulus" = Plectorthis patula
"? Orthambonites cf. mazourkensis" = Plectorthis mazourkaensis Phleger 1933
misspelled as "? Orthambonites cf. mazourkaensis"
"Orthambonites patulus" = Plectorthis patula Phleger 1933
Demospongiae
 Lithistida - Anthaspidellidae
Calycocoelia sp. Bassler 1927 demosponge