Where: Manitoba, Canada (51.8° N, 98.6° W: paleocoordinates 12.8° S, 50.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Chemahawin Member (Cedar Lake Dolomite Formation), Telychian to Telychian (436.0 - 422.9 Ma)

• member-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; gray dolomite

Size class: macrofossils

Primary reference: C. W. Stearn. 1956. Stratigraphy and palaeontology of the Interlake Group and Stonewall Formation of Southern Manitoba. Geological Survey of Canada Memoir 281:1-162 [S. Holland/T. Hanson/P. Wagner] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 26743: authorized by Steven Holland, entered by Tori Hanson on 26.10.2002, edited by Pete Wagner