Sekwi Formation - collection 73040 (Cambrian of Canada)

Where: Northwest Territories, Canada (63.5° N, 128.7° W: paleocoordinates 7.7° S, 71.0° W)

• coordinate stated in text

When: Bonnia-Olenellus trilobite zone, Sekwi Formation, Early/Lower Cambrian (538.8 - 509.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified dolomite

• Medium to thick-bedded, range weathering dolomite, light grey and finely crystalline on fresh surfaces

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by W. H. Fritz; reposited in the GSC

• Trilobites only;collection 73040, 1271 ft above base of formation

Primary reference: W. H. Fritz. 1972. Lower Cambrian trilobites from the Sekwi Formation type section, northwestern Canada. In M. Rafuse (ed.), Geological Survey of Canada Bulletin 212 [M. Hopkins/S. Mahmood/S. Mahmood]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 156169: authorized by Melanie Hopkins, entered by Shaun Mahmood on 12.05.2014, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Redlichiida - Wanneriidae
Elliptocephala walcotti n. sp.
Elliptocephala walcotti n. sp. Lieberman 1999 trilobite
 Ptychopariida - Ptychopariidae
Proliostracus depressus n. sp.
Proliostracus depressus n. sp. Fritz 1972 trilobite