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Parabolinoides subzone assemblage (Cambrian of Canada)

Where: Alberta, Canada (51.5° N, 116.2° W: paleocoordinates 2.8° S, 75.6° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Bison Creek Formation, Sunwaptan (498.5 - 488.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified, calcareous shale and lithified, intraclastic, shelly/skeletal grainstone

• at type section Bison Creek consists of 177m of calcareous shales and mudstones, calcarenites, intrarudites, and algal buildups

Size class: macrofossils

Primary reference: S. R. Westrop. 1986. Trilobites of the Upper Cambrian Sunwaptan Stage, southern Canadian Rocky Mountains, Alberta. Palaeontographica Canadiana 3:1-179 [S. Peters/S. Peters/U. Merkel] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 54085: authorized by Shanan Peters, entered by Shanan Peters on 22.09.2005

Creative Commons license: CC BY (attribution)