Where: Northwest Territories, Canada (65.5° N, 139.2° W: paleocoordinates 10.4° N, 47.3° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Road River Formation, Ludlow (427.4 - 423.0 Ma)
• Collection taken from 36 feet above base.
• formation-level stratigraphic resolution
Environment/lithology: deep subtidal; black shale
Size class: macrofossils
Collection methods: Monograptus nilssoni 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 25530: authorized by Steven Holland, entered by Tori Hanson on 15.09.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Pterobranchia | |
Monograptus spp. graptolite
Monograptus cf. dubius graptolite
"Monograptus bohemicus" = Bohemograptus bohemicus Barrande 1850 graptolite |