Southern Manitoba, Inwood Formation, North Bank, Grand Rapids Section 1 (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; bluisg 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 26444: authorized by Steven Holland, entered by Tori Hanson on 15.10.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia hisingeri
Leperditia hisingeri ostracod
L. hisingeri fabulina
Strophomenata
 Orthotetida - Chilidiopsidae
Fardenia transversalis
 Strophomenida - Leptostrophiidae
Brachyprion cf. inflata
Cephalopoda
 Discosorida - Mandaloceratidae
Mandaloceras parvulum
 Discosorida - Lowoceratidae
Lowoceras imbricatum
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Anthozoa
 Favositida - Favositidae
Paleofavosites transiens
Paleofavosites transiens Stearn 1956 tabulate coral
 Stauriida - Hapsiphyllidae
Neozaphrentis tyrrelli
 Stauriida - Amplexidae
Amplexoides severnensis
Stromatoporoidea
 Clathrodictyida - Clathrodictyidae
Clathrodictyon drummondense
Clathrodictyon drummondense stromatoporoid sponge