Where: Quebec, Canada (48.5° N, 64.2° W: paleocoordinates 23.1° S, 38.0° W)
• coordinate based on political unit
• local area-level geographic resolution
When: unit 5 Member (White Head Formation), Hirnantian (445.2 - 443.4 Ma)
• White Head Formation is divided 9 numbered units. This is from unit 5, with unit 1 being at the base of the formation.
• group of beds-level stratigraphic resolution
Environment/lithology: deep subtidal; lithified, calcareous mudstone
Size class: macrofossils
Primary reference: P. M. Sheehan and P.J. Lesperance. 1981. Brachiopods from the White Head Formation (Late Ordovician-Early Silurian) of the Perce region, Quebec, Canada. IUGS Subcommission on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group, Field meeting, Anticosti-Gaspe, Quebec, 1981 2:1-321 [M. Patzkowsky/Z. Krug/Z. Krug]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 12070: authorized by Mark Patzkowsky, entered by Zack Krug on 05.10.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Plectothyrella crassicosta Dalman 1828 | |
? Dalmanella testudinaria Dalman 1828 | |
Hirnantia sagittifera, "Kinnella kielanae" = Kinnella medlicotti
Hirnantia sagittifera McCoy 1851
"Kinnella kielanae" = Kinnella medlicotti Reed 1915 | |
Strophomenata | |
"Eostropheodonta siluriana" = Eostropheodonta hirnantensis
"Eostropheodonta siluriana" = Eostropheodonta hirnantensis M'Coy 1851 |