Where: Eureka County, Nevada (39.5° N, 116.0° W: paleocoordinates 3.2° S, 87.9° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Bullwhacker Member (Windfall Formation), Trempealeauan (492.5 - 485.4 Ma)
• member-level stratigraphic resolution
Environment/lithology: lithified, brown, silty, sandy limestone and lithified, massive limestone
Size class: macrofossils
Preservation: replaced with silica
Reposited in the USNM
Collection methods: bulk,
Primary reference: T. B. Nolan, C. W. Merriam, and J. S. Williams. 1956. The stratigraphic section in the vicinity of Eureka, Nevada. United States Geological Survey Professional Paper 276:1-77 [A. Behrensmeyer/A. Behrensmeyer/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 233789: authorized by Pete Wagner, entered by Pete Wagner on 28.02.2024
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
Lingulata | |
Westonia iphis Walcott 1905 | |
Elkania hamburgensis Walcott 1884 | |
Artiopoda | |
Trilobita | |
Rasettia sp. Lochman 1953 trilobite | |
Idiomesus sp. Raymond 1924 trilobite
Euptychaspis kirki trilobite | |
Briscoia nevadensis Resser 1937 trilobite
Calvinella tenuisculpta trilobite
Tellerina marica trilobite
Elkia nasuta Walcott 1884 trilobite | |
? Apatokephalus sp. Brögger 1896 trilobite
Richardsonella eurekensis trilobite | |
Tostonia iole trilobite
Corbinia sp. Walcott 1924 trilobite
Eurekia angustifrons trilobite
Eurekia dissimilis trilobite
Eurekia granulosa trilobite | |
"Plethometopus sp." = Plethopeltis, Leiocoryphe platycephala
"Plethometopus sp." = Plethopeltis Raymond 1913 trilobite
Leiocoryphe platycephala trilobite | |
Bowmania americana Walcott 1884 trilobite |