Locality 40, unit 31 (Silurian to of Canada)

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 4.5 feet thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, massive, gray reef rocks

• Limestone; biostromal, light grey, weathering to yellowish grey, massive, hard, dense, finely crystalline

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 188822: authorized by Melanie Hopkins, entered by Melanie Hopkins on 19.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Pentamerida - Pentameridae
"Conchidium cf. knighti" = Kirkidium knighti
"Conchidium cf. knighti" = Kirkidium knighti Sowerby 1813
Anthozoa
 Favositida - Favositidae
Favosites cf. cristatus
Stromatoporoidea
 Clathrodictyida - Clathrodictyidae
Clathrodictyon cf. variolare
Clathrodictyon cf. variolare Rosen 1867 stromatoporoid sponge