Where: Northwest Territories, Canada (74.8° N, 93.5° W: paleocoordinates 3.0° N, 33.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: A Member (Read Bay Formation), Wenlock to Wenlock (433.4 - 423.0 Ma)
• unit is 228 feet thick; fauna nearer to top of unit than bottom
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, gray, argillaceous lime mudstone and poorly lithified, gray shale
Size class: macrofossils
Collected by R. Thorsteinsson in 1950-53; reposited in the GSC
Collection methods: surface (in situ),
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 188800: authorized by Melanie Hopkins, entered by Melanie Hopkins on 19.09.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Howellella "sp. A" Kozlowski 1946 | |
Meristina "sp. A" Hall 1867 | |
"Atrypella sp." = Atrypoidea
"Atrypella sp." = Atrypoidea Mitchell and Dun 1920 | |
Camarotoechia sp. Hall and Clarke 1893 | |
Cephalopoda | |
Cephalopoda indet. Cuvier 1797 | |
? Phragmoceras sp. Broderip 1839 | |
Ostracoda | |
Bonnemaia sp. Ulrich and Bassler 1923 ostracod |