Southern Manitoba, Inwood Formation, South Bank, Grand Rapids Section 7 (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: Inwood Formation (Interlake Group), Telychian to Telychian (438.5 - 427.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: yellow, silty dolomite

• Environmental call by T. Hanson.
• Dolomite, greyish yellow, medium grained, granular and fragmental. Beds up to 1.5 feet thick with salt crystal moulds; bluish silty layer near top of unit. At the base are two small bioherms with many fossils.

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 26450: authorized by Steven Holland, entered by Tori Hanson on 15.10.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
"Trimerellid" sp.
Anthozoa
 Favositida - Favositidae
Paleofavosites kirki
Paleofavosites kirki tabulate coral
Cephalopoda
 Oncocerida - Nothoceratidae
Blakeoceras robustum
 Discosorida - Mandaloceratidae
Mandaloceras parvulum
 Discosorida - Phragmoceratidae
Phragmoceras nelsoni
Gastropoda
 Euomphalina - Euomphalidae
Sinutropis sp.
Sinutropis sp. Perner 1903 snail
 Murchisoniina - Hormotomidae
Coelocaulus sp.
Coelocaulus sp. Oehlert and Oehlert 1888 snail
Rhynchonellata
 Athyridida - Hyattidinidae
Hyattidina junea
 Rhynchonellida - Camarotoechiidae
Camarotoechia indianensis
Strophomenata
 Orthotetida - Chilidiopsidae
Fardenia transversalis
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia caeca