S Manitoba, Cedar Lake Dolomite, Cross Lake Mem., Demicharge Rapids (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: Cross Lake Member (Cedar Lake Dolomite Formation), Telychian to Telychian (438.5 - 427.4 Ma)

• member-level stratigraphic resolution

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

• Biostrom.
• Pale yellowish-orange, medium to coarse grained, and medium bedded 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 26718: authorized by Steven Holland, entered by Tori Hanson on 25.10.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia hisingeri
Rhynchonellata
 Orthida - Platystrophiidae
Platystrophia sp.
 Rhynchonellida - Camarotoechiidae
Camarotoechia winiskensis
Gastropoda
 Murchisoniina - Hormotomidae
Hormotoma sp.
Hormotoma sp. Salter 1859 snail
 Murchisoniina - Eotomariidae
Eotomaria sp.
Eotomaria sp. Ulrich and Scofield 1897 snail
Cephalopoda
 Discosorida - Phragmoceratidae
Phragmoceras cf. parvum