Whittaker Formation, Whittaker Range, Mackenzie Mountains (I-1590) (Ordovician to of Canada)

Where: Northwest Territories, Canada (62.5° N, 124.8° W: paleocoordinates 6.7° N, 57.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Whittaker Formation, Rocklandian to Rocklandian (457.3 - 450.2 Ma)

• formation-level stratigraphic resolution

Environment/lithology: limestone

• Environmental call by T. Hanson.

Size class: macrofossils

Preservation: replaced with silica

Reposited in the GSC

Collection methods: chemical,

Primary reference: R. Ludvigsen. 1976. New cheirurinid trilobites from the lower Whittaker Formation (Ordovician), southern Mackenzie Mountains. Canadian Journal of Earth Sciences 13(7):947-959 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 25174: authorized by Steven Holland, entered by Tori Hanson on 31.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Phacopida - Cheiruridae
Borealaspis biformis, Whittakerites planatus
Borealaspis biformis Ludvigsen 1976 trilobite
Whittakerites planatus Ludvigsen 1976 trilobite