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
Strophomenata
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Cephalopoda
 Endocerida - Endoceratidae
Stenolaemata
 Trepostomida -
Anthozoa
 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