Locality 34, unit 1 (Ordovician of Canada)

Where: Northwest Territories, Canada (75.0° N, 95.9° W: paleocoordinates 3.5° N, 41.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cornwallis Group, Caradocian (460.9 - 449.5 Ma)

• 20 feet thick. Was just Cornwallis.

• group of beds-level stratigraphic resolution

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

• light grey to olive-gray, weathering similar, thin-bedded, flaggy, hard, dense, sublithographic limestone; bedding planes irregular, with shale partings

Size class: macrofossils

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

Collection methods: surface (in situ), mechanical,

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 188771: authorized by Melanie Hopkins, entered by Melanie Hopkins on 18.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

• Cephalopods identified by Walter C. Sweet and A. K. Miller, bryozoans by T. E. Bolton, corals, brachiopods, and arthropods by A. E. Wilson, graptolites and chordates by R. Thorsteinsson
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
 Endocerida - Endoceratidae
 Trepostomida -
 Sarcinulida - Syringophyllidae
Calapoecia anticostiensis, "Calapoecia canadensis" = Calapoecia coxi
Calapoecia anticostiensis tabulate coral
subspecies arcticus
"Calapoecia canadensis" = Calapoecia coxi Bassler 1950 tabulate coral
subspecies ungava
 Stauriida - Streptelasmatidae
Streptelasma "sp. A" Hall 1847 horn coral