Plourde Quarry, north of Chicoutim (Ordovician to of Canada)

Where: Québec, Canada (48.5° N, 71.1° W: paleocoordinates 24.3° S, 47.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Simard Formation, Shermanian to Shermanian (457.3 - 450.2 Ma)

• Units 3 or 4 within Simard

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

• Environmental call by T. Hanson.

Size class: macrofossils

Reposited in the GSC

Primary reference: T. E. Bolton. 1988. Stromatoporoidea from the Ordovician rocks of central and eastern Canada. Contributions to Canadian paleontology, Geological Survey of Canada Bulletin 379:17-45 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 27235: authorized by Steven Holland, entered by Tori Hanson on 23.11.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Cystistroma canadense collected by S. Desbiens
Show authors, comments, and common names
Anthozoa
 Tetradiida - Tetradiidae
Paratetradium sp.
Paratetradium sp. Sokolov 1955 tabulate coral
tabulate coral coralla
 Heliolitida - Halysitidae
Quepora quebecensis
Quepora quebecensis tabulate coral
 Lichenariida - Lichenariidae
Lichenaria sp.
Lichenaria sp. Winchell and Schuchert 1895 tabulate coral
Stromatoporoidea
 Labechiida - Rosenellidae
? Cystostroma sp.
? Cystostroma sp. Galloway and St Jean 1957 stromatoporoid sponge
poorly preserved coenostea
 Labechiida - Stromatoceriidae
? Stromatocerium sp., Cystistroma canadense
? Stromatocerium sp. Hall 1847 stromatoporoid sponge
poorly preserved coenostea
Cystistroma canadense Nicholson and Murie 1878 stromatoporoid sponge
coenostea up to 9 mm acros and 21 mm high