Locality 1, unit 1 (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 17 feet thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray limestone

• Limestone; medium light-grey, weathering to mottled greys, thick-bedded, 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: biostratigraphic analysis

PaleoDB collection 188866: authorized by Melanie Hopkins, entered by Melanie Hopkins on 19.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Leperditicopida - Leperditiidae
Leperditia "sp. A" Rouault 1851 ostracod
Leperditia "sp. B" Rouault 1851 ostracod
"Isochilina sp." = Leperditia (Isochilina) Jones 1858 ostracod
 Athyridida - Meristellidae
? Hindella sp. Davidson 1882
 Pentamerida - Subrianidae
 Pentamerida - Pentameridae
"Conchidium knighti" = Kirkidium knighti
"Conchidium knighti" = Kirkidium knighti Sowerby 1813
 Murchisoniina - Hormotomidae
? Coelocaulus sp. Oehlert and Oehlert 1888 snail
 Favositida - Favositidae
Favosites sp. Lamarck 1816 tabulate coral