L1213 Sparkle Lake (Ordovician of Canada)

Where: British Columbia, Canada (49.8° N, 115.4° W: paleocoordinates 2.3° S, 64.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Beaverfoot Formation, Richmondian (449.6 - 445.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified dolomite

• deep distal shelf
• dolomite with chert nodules

Size class: macrofossils

Primary reference: J. K. Rigby and P. A. Johnston. 2004. An unusually large Aulocopella winnipegensis and associated demosponges from the Upper Ordovician Beaverfoot Formation, southeastern British Columbia. Canadian Journal of Earth Sciences 41:939-947 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120499: authorized by Wolfgang Kiessling, entered by Uta Merkel on 14.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongiae
 Lithistida - Streptosolenidae
? Hudsonospongia sp. Raymond and Okulitch 1940 demosponge
Aulocopella winnipegensis Rauff 1895 demosponge