Southern Manitoba, Atikameg Dolomite, South Shore, Saskatchewan River (Silurian to of Canada)

Where: Manitoba, Canada (53.2° N, 99.3° W: paleocoordinates 10.0° S, 51.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Atikameg Dolomite Formation (Interlake Group), Telychian to Telychian (438.5 - 427.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; red, yellow dolomite

• Biostrom.
• Dolomite, very pale orange to dark yellowish orange, fine grained, massively bedded, porous, weathers to a soft surface, small caves present near the top.

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 26637: authorized by Steven Holland, entered by Tori Hanson on 20.10.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Leperditicopida - Leperditiidae
Strophomenata
 Orthotetida - Chilidiopsidae
Bivalvia
 Modiomorphida - Modiomorphidae
Modiolopsis sp. Hall 1847 clam
Gastropoda
 Murchisoniina - Hormotomidae
Coelocaulus sp. Oehlert and Oehlert 1888 snail