East of Narrows, Cross Lake (Silurian to of Canada)

Where: Manitoba, Canada (53.2° N, 99.5° W: paleocoordinates 9.8° 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)

• member-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 26631: authorized by Steven Holland, entered by Tori Hanson on 19.10.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Homeospira lowi
Anthozoa
 Favositida - Favositidae
Paleofavosites cf. transiens
Paleofavosites cf. transiens Stearn 1956 tabulate coral
 Stauriida - Streptelasmatidae
Asthenophyllum sp.
Asthenophyllum sp. Grubbs 1939 horn coral
 Stauriida - Hapsiphyllidae
Neozaphrentis cf. symmetricus, Neozaphrentis sp.
Neozaphrentis sp. Grove 1935 horn coral
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia hisingeri
Strophomenata
 Orthotetida - Chilidiopsidae
Fardenia ellipsoides