Where: Nevada (39.0° N, 116.0° W: paleocoordinates 3.2° S, 88.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Dunderbergia trilobite zone, Dunderberg Shale B Member (Nopah Formation), Steptoean (497.0 - 493.5 Ma)
• Listed as upper half of Dunderbergia zone
• group of beds-level stratigraphic resolution
Environment/lithology: slope; lithified, shelly/skeletal limestone and poorly lithified shale
Size classes: macrofossils, mesofossils
Primary reference: A. R. Palmer. 1960. Trilobites of the Upper Cambrian Dunderberg Shale, Eureka District, Nevada. United States Geological Survey Professional Paper 334-C:53-107 [P. Novack-Gottshall/P. Hearn/M. Hopkins]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 75271: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 03.10.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Trilobita | |
Litocephalus granulomarginatus Palmer 1960 trilobite | |
Olenus wilsoni, "Olenus granulatus" = Simulolenus granulatus
Olenus wilsoni trilobite
"Olenus granulatus" = Simulolenus granulatus Palmer 1960 trilobite | |
Pinctus sp. Wilson 1951 trilobite | |
Morosa longispina Palmer 1960 trilobite
Sigmocheilus grata Resser 1942 trilobite
Pterocephalia elongata Palmer 1960 trilobite | |
Elburgia quinnensis Resser 1942 trilobite
Dunderbergia nitida trilobite
Elvinia sp. Walcott 1924 trilobite | |
Artiopoda | |
Phalacroma sp. Hawle and Corda 1847 | |
Pseudagnostus communis Hall and Whitfield 1877 | |
Lingulata | |
Acrotretida indet. Kuhn 1949 |