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
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
Anthozoa | |
Corrugopora rhabdota tabulate coral | |
cf. Favosites hisingeri Milne-Edwards and Haime 1851 tabulate coral | |
Pycnostylus guelphensis horn coral | |
Stromatoporoidea | |
Clathrodictyon cystosum stromatoporoid sponge | |
"Clathrodictyon cf. regulare" = Petridiostroma regulare
"Clathrodictyon cf. regulare" = Petridiostroma regulare Rosen 1867 stromatoporoid sponge | |
Stromatopora cf. constellata stromatoporoid sponge |