Locality 40, unit 51, lot 3 (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 228 feet thick; fauna in middle of unit

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, argillaceous lime mudstone and poorly lithified, gray shale

• Argillaceous limestone; medium light-grey to medium grey, weathering to yellowish grey, very thin-bedded, flaggy, hard, dense, sublithographic to finely crystalline; numerous light grey shale partings; irregular bedding planes.

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 188802: authorized by Melanie Hopkins, entered by Melanie Hopkins on 19.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Camerotoechia "sp. A"
Rhynchonellata
 Spiriferida - Delthyrididae
Howellella "sp. A", Howellella "sp. B", ? Delthyris sp.
Howellella "sp. A" Kozlowski 1946
Howellella "sp. B" Kozlowski 1946
? Delthyris sp. Dalman 1828
 Pentamerida - Gypidulidae
Gypidula "sp. A"
Gypidula "sp. A" Hall 1867
 Rhynchonellida - Camarotoechiidae
Camarotoechia "sp. C"
Camarotoechia "sp. C" Hall and Clarke 1893
Bryozoa
  -
Bryozoa indet.