Also known as Reef 3796

Where: Alberta, Canada (51.1° N, 115.6° W: paleocoordinates 3.2° S, 76.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bison Creek Formation, Sunwaptan (493.5 - 487.5 Ma)

• Ellipsocephaloides zone, E. silvestris subzone

• bed-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

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: taxonomic analysis

PaleoDB collection 81304: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.06.2008

Creative Commons license: CC BY (attribution)