Locality 9, unit 5 (Silurian to of Canada)

Where: Northwest Territories, Canada (74.7° N, 94.9° W: paleocoordinates 3.2° 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 4.0 feet thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray limestone

• Limestone; light grey, weathering to medium light-grey, thin-bedded, hard, dense, finely crystalline

Size class: macrofossils

Collected by R. Thorsteinsson in 1950-53

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 188854: authorized by Melanie Hopkins, entered by Melanie Hopkins on 19.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Leperditicopida - Leperditiidae
Leperditia cf. hisingeri ostracod
subspecies fabulina
Rhynchonellata
 Spiriferida - Delthyrididae
Howellella "sp. A" Kozlowski 1946
 Atrypida - Lissatrypidae
"Atrypella "sp. A"" = Atrypoidea, Atrypella scheii
"Atrypella "sp. A"" = Atrypoidea Mitchell and Dun 1920
Atrypella scheii Holtedahl 1914
Gastropoda
 Euomphalina - Holopeidae
Holopea sp. Hall 1847 snail
Stenolaemata
 Cystoporida - Fistuliporidae