Where: Northwest Territories, Canada (74.8° N, 93.5° W)
• Paleocoordinates: 3.5° N, 80.8° W (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: A Member (Read Bay Formation), Wenlock (432.9 - 426.7 Ma)
• unit is 228 feet thick; fauna in middle of unit
• 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 188803: authorized by Melanie Hopkins, entered by Melanie Hopkins on 19.09.2017
Creative Commons license: CC0 (CC0)
Taxonomic list
Gastropoda | |
Loxonema "sp. A aff. rossi" Phillips 1841 snail
Loxonema "sp. B" Phillips 1841 snail | |
Rhynchonellata | |
Howellella "sp. A" Kozlowski 1946 | |
"Atrypella cf. scrocki" = Atrypoidea, Atrypella borealis
"Atrypella cf. scrocki" = Atrypoidea
Atrypella borealis Kirk and Amsden 1952 | |
Meristina "sp. A" Hall 1867 | |
Camarotoechia "sp. A" Hall and Clarke 1893
Camarotoechia "sp. B" Hall and Clarke 1893 |