Locality 40, unit 29 (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 1.1 feet thick

• group of beds-level stratigraphic resolution

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

• Limestone; biostromal, light grey, weathering to greyish yellow, hard, dense, medium to coarsely 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 188823: authorized by Melanie Hopkins, entered by Melanie Hopkins on 19.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Pentamerida - Subrianidae
 Pentamerida - Pentameridae
"Conchidium cf. knighti" = Kirkidium knighti, Rhipidium "sp. B"
"Conchidium cf. knighti" = Kirkidium knighti Sowerby 1813
Rhipidium "sp. B" Schuchert and Cooper 1931
Cephalopoda
  -
Cephalopoda indet. Cuvier 1797
Anthozoa
 Favositida - Favositidae