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

• Paleocoordinates: 5.5° N, 73.4° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: C Member (Read Bay Formation), Ludlow (426.7 - 422.7 Ma)

• unit is 20 feet thick at approximately 500 feet above base of member

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified reef rocks

Size class: macrofossils

Preservation: cast, replaced with silica

Collected by R. Thorsteinsson in 1950-53; reposited in the GSC

Collection methods: surface (in situ), chemical,

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 188900: authorized by Melanie Hopkins, entered by Melanie Hopkins on 20.09.2017

Creative Commons license: CC0 (CC0)