Monarch Cirque (Cambrian of Canada)

Where: British Columbia, Canada (51.1° N, 115.9° W: paleocoordinates 4.0° S, 80.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Burgess Shale Formation, Delamaran (513.0 - 505.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: deep-water; lithified shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. K. Rigby and D. Collins. 2004. Sponges of the Middle Cambrian Burgess Shale and Stephen Formations, British Columbia. Royal Ontario Museum Contributions in Science 1:1-155 [W. Kiessling/U. Merkel/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121966: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.12.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Protomonaxonida - Leptomitidae
Leptomitus lineatus Walcott 1920 demosponge
 Protomonaxonida - Hamptoniidae
Hamptonia bowerbanki Walcott 1920 demosponge
 Lithistida - Vauxiidae
Vauxia bellula Walcott 1920 demosponge
 Lithistida - Anthaspidellidae
Fieldospongia bellilineata Walcott 1920 demosponge