Collection 52, Fritz Sec. 33, MacKenzie Mountains (Cambrian of Canada)

Also known as GSC 95517

Where: Northwest Territories, Canada (63.9° N, 127.8° W: paleocoordinates 2.5° S, 68.7° W)

• outcrop-level geographic resolution

When: Fallotaspis trilobite zone, Campito Member (Sekwi Formation), Atdabanian (521.0 - 516.0 Ma)

• Called Map Unit 13, below Sekwi Formation in paper, but lumped into Sekwi Formation in later publications.

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size classes: macrofossils, mesofossils, microfossils

Primary reference: L. G. Voronova, N. A. Drozdova, B. A. Zhegallo, A. Yu Zhuravlev, A. Yu Rozanov, T. A. Sayutina, and G. T. Ushatinskaya. 1987. Fossils from the Lower Cambrian of the MacKenzie Mountains (Canada). Trudy Paleontologicheskogo Instituta 224:1-88 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 50170: authorized by Pete Wagner, entered by Pete Wagner on 09.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hyolithelminthida - Hyolithellidae
Hyolithellus sp. Billings 1872
Mackenziella dilatata
  -
Mackenziella dilatata n. gen. n. sp.
Mackenziella dilatata n. gen. n. sp. Voronova et al. 1987
type locality
Helcionelloida
 Helcionellida - Trenellidae
Parailsanella acris n. gen. n. sp.
Parailsanella acris n. gen. n. sp. Voronova et al. 1987
type locality
 Helcionellida - Yochelcionellidae
Yochelcionella greenlandica Atkins and Peel 2004