Where: Northwest Territories, Canada (61.5° N, 125.7° W: paleocoordinates 5.4° N, 60.0° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Bathyurus granulosus trilobite zone, Sunblood Formation, Whiterockian (470.0 - 457.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; limestone
Size classes: macrofossils, mesofossils
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 25173: authorized by Steven Holland, entered by Tori Hanson on 31.08.2002, edited by Melanie Hopkins
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Amphilichas sp. Raymond 1905 trilobite | |
Isotelus cf. harrisi Raymond 1905 trilobite | |
Bathyurus granulosus Ludvigsen 1979 trilobite | |
Ceraurinella nahanniensis Chatterton and Ludvigsen 1976 trilobite |