Percé, White Head Formation Unit 5 Brachiopods (Ordovician to of Canada)

Where: Québec, Canada (46.2° N, 59.8° W: paleocoordinates 39.4° S, 31.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: 5 Member (White Head Formation), Ashgill to Ashgill (449.5 - 433.4 Ma)

• "Unit' 5.

• member-level stratigraphic resolution

Environment/lithology: brown, green, calcareous mudstone and silty, calcareous shale

• Environmental call by T. Hanson.
• 5 m of moderately calcareous silty shale containing 30% limestone (pale brown, silty, with trilobite fragments). Massive, green or red-stained, slightly to moderately calcareous mudstone. Lithology from W. B. Skidmore and P. J. Lespérance. 1981. Gaspé Peninsula, Percé area. Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 1:31-40. Edited by P. J. Lespérance.

Size class: macrofossils

Primary reference: P. J. Lespérance and P. M. Sheehan. 1981. Hirnantian fauna in and around Percé, Québec. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 2:231-245 [S. Holland/T. Hanson/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24832: authorized by Steven Holland, entered by Tori Hanson on 21.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Athyridida - Meristellidae
? Hindella sp.
? Hindella sp. Davidson 1882
 Rhynchonellida - Trigonirhynchiidae
Plectothyrella sp., Plectothyrella crassicosta
Plectothyrella sp. Temple 1965
 Orthida - Draboviidae
Hirnantia sagittifera
 Orthida - Dalmanellidae
Dalmanella testudinaria
Strophomenata
 Strophomenida - Leptostrophiidae
"Eostropheodonta siluriana" = Eostropheodonta hirnantensis
"Eostropheodonta siluriana" = Eostropheodonta hirnantensis M'Coy 1851