Where: Northwest Territories, Canada (74.8° N, 93.4° W: paleocoordinates 2.0° N, 31.9° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: C Member (Read Bay Formation), Ludlow (427.4 - 423.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, gray lime mudstone
Size class: macrofossils
Collected by R. Thorsteinsson in 1950-53
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: biostratigraphic analysis
PaleoDB collection 188871: authorized by Melanie Hopkins, entered by Melanie Hopkins on 19.09.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Stromatoporoidea | |
Clathrodictyon sp. Nicholson and Murie 1878 stromatoporoid sponge | |
Anthozoa | |
Striatopora sp. Hall 1851 tabulate coral | |
Gastropoda | |
Loxonema sp. Phillips 1841 snail | |
Rhynchonellata | |
? Rhipidium sp. Schuchert and Cooper 1931 | |
Conchidium sp. Oehlert 1887 | |
"Atrypella phoca" = Atrypoidea
"Atrypella phoca" = Atrypoidea | |
Strophomenata | |
Strophonella sp. Hall 1879 | |
Trilobita | |
? Arctinurus sp. Castelnau 1843 trilobite |