Where: Northwest Territories, Canada (75.0° N, 95.9° W: paleocoordinates 3.5° N, 41.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Cornwallis Group, Caradoc (458.4 - 449.5 Ma)
• 20 feet thick. Was just Cornwallis.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, gray, green lime mudstone and poorly lithified shale
Size class: macrofossils
Collected by R. Thorsteinsson in 1950-53; reposited in the GSC
Collection methods: surface (in situ), mechanical,
Primary reference: R. Thorsteinsson. 1958. Cornwallis and Little Cornwallis Islands, District of Franklin, Northwest Territories. Geological Survey of Canada Memoirs 294:1-134 [M. Hopkins/M. Hopkins/M. Hopkins]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 188771: authorized by Melanie Hopkins, entered by Melanie Hopkins on 18.09.2017, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
Leptaena sp. Dalman 1828 | |
Stenolaemata | |
Batostomella sp. Bassler 1911 | |
Cephalopoda | |
| |
Anthozoa | |
Streptelasma "sp. A" Hall 1847 horn coral | |
|