Where: Northwest Territories, Canada (66.4° N, 135.5° W: paleocoordinates 5.3° N, 60.0° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Road River Formation, Dresbachian (497.0 - 485.4 Ma)
• Collection taken from 1087 feet 0-1 in above base.
• formation-level stratigraphic resolution
Environment/lithology: deep subtidal; gray, argillaceous limestone and gray shale
Size class: macrofossils
Collection methods: Collection also includes inarticulate brachiopod and trilobites. Probabaly Crepicephalus fauna.
Primary reference: B. S. Norford. 1963. Reconnaissance of the Ordovician and Silurian rocks of Northern Yukon Territory. Geological Survey of Canada Department of Mines and Technical Surveys, Paper 63(39):1-139 [S. Holland/T. Hanson/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 25605: authorized by Steven Holland, entered by Tori Hanson on 18.09.2002, edited by Austin Hendy
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Cedaria cf. prolifica Walcott 1924 trilobite | |
Crepicephalus sp. Owen 1852 trilobite | |
Tricrepicephalus sp. Kobayashi 1935 trilobite | |
? Lonchocephalus sp. Owen 1852 trilobite | |
Kingstonia sp. Walcott 1924 trilobite | |
? Shickshockia sp. Rasetti 1946 trilobite | |
cf. Minicephalus sp. Lochmann and Lu 1960 trilobite |