Locality 1, unit 6 (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 8.1 feet thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray reef rocks and lithified, gray, green limestone

• Limestone; olive-grey, weathering to light olive-grey, thin-bedded, hard, dense, finely crystalline; petroliferous odour when struck; fauna concentrated in biostomal-like development at base

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 188860: authorized by Melanie Hopkins, entered by Melanie Hopkins on 19.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Corynexochida - Illaenidae
Illaenus sp. Dalman 1827 trilobite
 Murchisoniina - Hormotomidae
Coelocaulus "sp. E" Oehlert and Oehlert 1888 snail
 Cornulitida - Cornulitidae
Cornulites sp. Schlotheim 1820
 Actinocerida - Ormoceratidae
Ormoceras "sp. A" Stokes 1840
Ormoceras "sp. B" Stokes 1840
 Auloporida - Syringoporidae
 Favositida - Favositidae
Favosites cf. senex tabulate coral
 Favositida - Pachyporidae
Striatopora cf. flexuosa Hall 1852 tabulate coral
 Stauriida - Amplexidae