S Manitoba, Cedar Lake Dolomite, Chemahawin Mem, West of Highway 6, W. Prin. mer (Silurian to of Canada)

Where: Manitoba, Canada (51.1° N, 97.6° W: paleocoordinates 12.2° S, 52.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Chemahawin Member (Cedar Lake Dolomite Formation), Telychian to Telychian (438.5 - 427.4 Ma)

• member-level stratigraphic resolution

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

• Yellowish gray, porous dolomite with little to no bedding.

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 26744: authorized by Steven Holland, entered by Tori Hanson on 26.10.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Stromatoporoidea
 Clathrodictyida - Gerronostromatidae
"Clathrodictyon cf. regulare" = Petridiostroma regulare
"Clathrodictyon cf. regulare" = Petridiostroma regulare Rosen 1867 stromatoporoid sponge
 Clathrodictyida - Clathrodictyidae
Clathrodictyon cystosum stromatoporoid sponge
 Stromatoporida - Stromatoporidae
Stromatopora cf. constellata stromatoporoid sponge
Anthozoa
 Favositida - Theciidae
Corrugopora rhabdota tabulate coral
 Favositida - Favositidae
cf. Favosites hisingeri Milne-Edwards and Haime 1851 tabulate coral
 Stauriida - Pycnostylidae