Where: Northwest Territories, Canada (74.7° N, 94.8° W)
• Paleocoordinates: 2.8° N, 92.5° W (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Allen Bay Formation, Ashgill to Ashgill (449.5 - 426.7 Ma)
Environment/lithology: marine; lithified, gray, carbonaceous dolomite
Size class: macrofossils
Preservation: cast, replaced with silica
Collected by R. Thorsteinsson in 1950-53; reposited in the GSC
Collection methods: surface (in situ), chemical,
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 188780: authorized by Melanie Hopkins, entered by Melanie Hopkins on 18.09.2017
Creative Commons license: CC0 (CC0)
Taxonomic list
Stromatoporoidea | |
? Stromatopora sp. Goldfuss 1826 stromatoporoid sponge | |
Clathrodictyon sp. Nicholson and Murie 1878 stromatoporoid sponge | |
Anthozoa | |
Amplexus propinquis horn coral | |
Rhabdocyclus sp. Lang and Smith 1939 horn coral | |
Porpites "sp. A aff. propitus" Schlotheim 1820 horn coral
Porpites "sp. B" Schlotheim 1820 horn coral | |
Halysites sp., "Halysites catenulatus" = Halysites catenularius
Halysites sp. von Waldheim 1813 tabulate coral
"Halysites catenulatus" = Halysites catenularius Linnaeus 1767 tabulate coral | |
? Michelinia sp. de Koninck 1841 tabulate coral | |
Favosites "sp. B aff. pyriformis" Lamarck 1816 tabulate coral
Favosites favosus Goldfuss 1826 tabulate coral |