Locality 35 (Ordovician of Canada)

Where: Northwest Territories, Canada (74.9° N, 96.0° W: paleocoordinates 5.6° N, 39.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Allen Bay Formation, Ashgillian (449.5 - 443.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, calcareous shale and lithified dolomite

• dark grey calcareous shale interbedded with dolomite

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 188783: authorized by Melanie Hopkins, entered by Melanie Hopkins on 18.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

• Identified by A. E. Wilson
 Asaphida - Asaphidae
 Diplograptoidea - Diplograptidae
Orthograptus "sp. A" Lapworth 1873 diplograptoid