Where: Northwest Territories, Canada (66.6° N, 126.3° W: paleocoordinates 6.0° S, 67.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bonnia - Olenellus zone, Mount Cap Formation, Waucoban (538.8 - 509.0 Ma)

• Was given as Tommotian, Bonnia-Olenellus is Waucoban.

• bed-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, black shale

Size class: mesofossils

Preservation: replaced with pyrite

Reposited in the GSC

Collection methods: core

Primary reference: N. J. Butterfield. 1994. Burgess Shale-type fossils from a Lower Cambrian shallow-shelf sequence in northwestern Canada. Nature 369(9):477-479 [M. Patzkowsky/P. Borkow]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 6850: authorized by Mark Patzkowsky, entered by Phil Borkow on 31.03.2000

Creative Commons license: CC BY (attribution)