Locality 1, unit 3 (Silurian to of Canada)

Where: Northwest Territories, Canada (74.7° N, 94.8° W: paleocoordinates 3.1° N, 33.5° 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 7.2 feet thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, calcareous sandstone and lithified limestone

• Sandstone; medium grey, weathering similar, thin-bedded, dense, fine- to medium-grained, calcareous cement; grading in to limestone in basal 2 feet

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: biostratigraphic analysis

PaleoDB collection 188864: authorized by Melanie Hopkins, entered by Melanie Hopkins on 19.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Pentamerida - Pentameridae
"Conchidium knighti" = Kirkidium knighti
"Conchidium knighti" = Kirkidium knighti Sowerby 1813