D 819 CO (Ordovician of the United States)

Also known as SF 83

Where: Nye County, Nevada (36.9° N, 116.7° W: paleocoordinates 6.4° S, 82.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• Whiterockian

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• carbonate platform
• thin-bedded

Size class: macrofossils

Preservation: replaced with silica

Collected by J. Ross, Jr.

Collection methods: surface (float),

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 104278: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Pentamerida - Parastrophinidae
? Parastrophina sp.
? Parastrophina sp. Schuchert and LeVene 1929
cf. Parastrophina
 Orthida -
Orthida indet.
Orthida indet. Schuchert and Cooper 1932
"Orthid"
 Orthida - Hesperorthidae
Hesperorthis cf. antelopensis, Ptychopleurella kleinhamplei n. sp.
Ptychopleurella kleinhamplei n. sp. Ross and Barnes 1967
nov
 Orthida - Plaesiomyidae
Valcourea sp.
Valcourea sp. Raymond 1911
Strophomenata
 Strophomenida - Leptellinidae
"Leptellina cf. occidentalis" = Leptellina (Leptellina) occidentalis, "Leptellina occidentalis" = Leptellina (Leptellina) occidentalis
"Leptellina cf. occidentalis" = Leptellina (Leptellina) occidentalis Ulrich and Cooper 1938
"Leptellina occidentalis" = Leptellina (Leptellina) occidentalis Ulrich and Cooper 1938
 Billingsellida - Clitambonitidae
Atelelasma primotica
Atelelasma primotica Ross and Barnes 1967