S Manitoba, Cedar Lake Dolomite, Chemahawin Mem, W. Prin. mer., E. of Hilbre (Silurian to of Canada)

Where: Manitoba, Canada (51.8° N, 98.6° W: paleocoordinates 11.3° 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 26743: authorized by Steven Holland, entered by Tori Hanson on 26.10.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Athyridida - Meristellidae
Meristina sp.
Meristina sp. Hall 1867
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Stromatoporoidea
 Clathrodictyida - Clathrodictyidae
cf. Clathrodictyon cystosum
cf. Clathrodictyon cystosum stromatoporoid sponge
 Clathrodictyida - Gerronostromatidae
"Clathrodictyon cf. regulare" = Petridiostroma regulare
"Clathrodictyon cf. regulare" = Petridiostroma regulare Rosen 1867 stromatoporoid sponge
Anthozoa
 Favositida - Favositidae
Favosites cf. favosus, Favosites hisingeri
Favosites cf. favosus Goldfuss 1826 tabulate coral
Favosites hisingeri Milne-Edwards and Haime 1851 tabulate coral
 Stauriida - Amplexidae
Synamplexoides varioseptatus
 Stauriida - Pycnostylidae
Pycnostylus guelphensis