Locality 58 (Silurian of Canada)

Where: Northwest Territories, Canada (74.7° N, 93.5° W: paleocoordinates 1.9° N, 32.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: C Member (Read Bay Formation), Ludlow (427.4 - 423.0 Ma)

• bed is 1 foot thick, situated about 300 feet above base of member

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified packstone

• coquina

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 188899: authorized by Melanie Hopkins, entered by Melanie Hopkins on 20.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Pentamerida - Pentameridae
 Atrypida - Lissatrypidae
"Atrypella cf. shrocki" = Atrypoidea, Atrypella cf. scheii
"Atrypella cf. shrocki" = Atrypoidea
Atrypella cf. scheii Holtedahl 1914