Anticosti Island, Salmon River (8-Mile Pool), Ellis Bay Formation Member 6 (Ordovician of Canada)

Where: Québec, Canada (49.4° N, 62.3° W: paleocoordinates 22.5° S, 36.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Normalograptus persculptus graptolite zone, Laframboise Member (Ellis Bay Formation), Hirnantian (445.2 - 443.4 Ma)

• Petryk's Member 6. Most of Member 6 now is in Bescie; however, biohermal beds are in

• member-level stratigraphic resolution

Environment/lithology: bioturbated, gray, argillaceous limestone and shale

• Environmental call by T. Hanson.
• "6 m of rubbly, thin-bedded, argillaceous, bioturbated limestone and interbedded shale occur in which the limestone is mainly dark grey to blue-grey, lime mudstone to skeletal wackestone, with rare packstone and grainstone."

Size class: macrofossils

Collection methods: Collection also includes brachiopod, bryozoan, and crinoidal debris.

Primary reference: C. R. Barnes, A. A. Petryk, and T. E. Bolton. 1981. Anticosti Island, Québec. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 1:1-24 [S. Holland/T. Hanson/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24443: authorized by Steven Holland, entered by Tori Hanson on 07.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Stauriida - Stauriidae
Stromatoporoidea
 Clathrodictyida - Clathrodictyidae
Clathrodictyon sp. Nicholson and Murie 1878