Sewki Brook North. lower Blueflower (Ediacaran of Canada)

Also known as SBN

Where: Northwest Territories, Canada (63.4° N, 128.5° W: paleocoordinates 49.1° S, 85.1° W)

• outcrop-level geographic resolution

When: Avalon other zone, Lower Member (Blueflower Formation), Ediacaran (635.0 - 541.0 Ma)

• Formerly known as 'June Beds'; from the middle Nadaleen Fm, beneath the lower of two radiometrically dated ash beds.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; limestone and siliciclastic

• parted slope limestone and submarine channel fills

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Primary reference: C. Carbone and G. M. Narbonne. 2014. When life got smart: The evolution of behavioral complexity through the Ediacaran and early Cambrian of NW Canada. Journal of Paleontology 88(2):309-330 [D. Muscente/D. Muscente]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 237618: authorized by Pete Wagner, entered by Pete Wagner on 12.12.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
 Ichnofossils -
Archaeonassa fossulata, Torrowangea rosei, Planolites montanus, Helminthopsis sp., Helminthoidichnites tenuis
Archaeonassa fossulata
not clear if this sight or Sewki Brook South.
Torrowangea rosei Webby 1970
Planolites montanus Richter 1937
Helminthopsis sp. Heer 1877