Pedley Pass Section - 030 meters (Ordovician of Canada)

Also known as Was Beaverfoot Fm, British Columbia, Ashgill - Patzkowsky

Where: British Columbia, Canada (50.4° N, 115.8° W: paleocoordinates 1.9° S, 64.4° W)

• coordinate based on political unit

When: Beaverfoot Formation, Richmondian (449.5 - 443.7 Ma)

• Ashgill

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, silty dolomite

• 600 m of carbonate rocks. Deposited in "shallow tropical waters".

•Dolomite with quartz silt

Size class: macrofossils

Reposited in the GSC

Primary reference: J. Jin, W.G.E. Caldwell, and B.S. Norford. 1989. Rhynchonellid Brachiopods from the Upper Ordovician - Lower Silurian Beaverfoot and Nonda Formations of the Rocky Mountains, British Columbia. Geological Survey of Canada, Bulletin 396:21-42 [M. Patzkowsky/Z. Krug]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 12703: authorized by Mark Patzkowsky, entered by Zack Krug on 26.11.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

• Rhynchonellid Brachiopods only.
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
 Rhynchonellida - Rhynchotrematidae
 Orthida - Platystrophiidae
"Gnamptorhynchos inversum" = Platystrophia regularis globata
"Gnamptorhynchos inversum" = Platystrophia regularis globata Twenhofel 1928