D1993 CO. Meiklejohn mud-mound flanking bed (Ordovician of the United States)

Also known as USGS D 1993 CO

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

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• Lower Antelope Valley Limestone, 415 ft above base of the formation, Orthidiella Zone, Early Whiterockian

• bed-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone

• flanking bed of the mud-mound

Size class: macrofossils

Reposited in the USGS

Primary reference: R. J. Ross, Jr. 1972. Fossils from the Ordovician bioherm at Meiklejohn Peak, Nevada. United States Geological Survey Professional Paper 685 [S. Finnegan/S. Finnegan/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80078: authorized by Wolfgang Kiessling, entered by Uta Merkel on 02.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Pliomeridae
Ectenonotus sp. Raymond 1920 trilobite
Strophomenata
 Strophomenida - Plectambonitidae
Ingria cloudi Ulrich and Cooper 1936
Rhynchonellata
 Orthida - Orthidiellidae
Orthidiella longwelli Ulrich and Cooper 1938
 Parablastoidea - Blastocystidae
? Blastoidocrinus sp. Billings 1859
Conodonta
  -