Locality 56 (Ordovician of Canada)

Where: Northwest Territories, Canada (75.1° N, 94.1° W: paleocoordinates 3.6° N, 37.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Aphelognathus grandis conodont zone, Irene Bay Formation (Cornwallis Group), Richmondian (449.5 - 443.7 Ma)

• uppermost part of formation

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lime mudstone

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: taxonomic analysis

PaleoDB collection 188775: 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
Anthozoa
 Sarcinulida - Syringophyllidae
"Calapoecia canadensis" = Calapoecia coxi
"Calapoecia canadensis" = Calapoecia coxi Bassler 1950 tabulate coral
subgenera canadensis and ungava