Where: Northwest Territories, Canada (74.8° N, 93.5° W: paleocoordinates 3.7° N, 34.0° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: A Member (Read Bay Formation), Wenlock (433.4 - 427.4 Ma)
• unit is 145 feet thick; fauna collected 8.2 feet below top of unit
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, gray, argillaceous 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),
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 188790: authorized by Melanie Hopkins, entered by Melanie Hopkins on 18.09.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
|
Cephalopoda indet. Cuvier 1797 | |
| Rhynchonellata | |
|
Camarotoechia "sp. C" Hall and Clarke 1893 | |
|
Howellella "sp. A" Kozlowski 1946 | |
|
Nucleospira sp. Hall 1859 | |
|
Meristina "sp. A" Hall 1867 | |
| Strophomenata | |
|
Strophonella "sp. A" Hall 1879
Strophonella "sp. B" Hall 1879 | |
| Stenolaemata | |
| Trilobita | |
|
Proetus cf. regalus Poulsen 1943 trilobite | |
|
Calymene "sp. A" Brongniart 1822 trilobite | |
|
Encrinurus cf. moderatus trilobite | |