Where: Clark County, Nevada (39.6° N, 119.5° W: paleocoordinates 0.1° S, 92.8° W)
• coordinate estimated from map
When: Pioche Shale Formation, Dyeran (516.0 - 513.0 Ma)
• 5 feet thick. AGE: Dyeran; refined by A. Hendy (6/2009) on the basis of biostratigraphic data.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified sandstone and lithified sandstone
Size class: macrofossils
Collection methods: Contains abundant trilobites and worm casts. Annelids not identified.
Primary reference: P. D. Pack and H. B. Gayle. 1971. A new Olenellid trilobite, Biceratops nevadensis, from the Lower Cambrian near Las Vegas, Nevada. Journal of Paleontology 45(5):893-898 [M. Patzkowsky/P. Borkow/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 9622: authorized by Mark Patzkowsky, entered by Phil Borkow on 23.03.2001
Creative Commons license: CC BY (attribution)