Where: Northwest Territories, Canada (61.2° N, 125.8° W: paleocoordinates 5.4° N, 60.4° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Sunblood Formation, Whiterockian (470.0 - 457.3 Ma)
Environment/lithology: shallow subtidal; limestone
Size classes: macrofossils, microfossils
Preservation: replaced with silica
Collected by Rolf Ludvigsen in 1971-1973; reposited in the GSC
Collection methods: chemical,
Primary reference: J. V. Tremblay and S. R. Westrop. 1991. Middle Ordovician (Whiterockian) trilobites from the Sunblood Formation, District of Mackenzie, Canada. Journal of Paleontology 65(5):801-824 [M. Hopkins/M. Hopkins]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 102263: authorized by Melanie Hopkins, entered by Melanie Hopkins on 12.01.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Bathyurus mackenziensis Tremblay and Westrop 1991 trilobite | |
Pseudomera barrandei Billings 1865 trilobite |