Where: Alberta, Canada (49.0° N, 111.2° W: paleocoordinates 56.7° N, 76.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Halfbreed Creek Member (Pawkowki Formation), Early/Lower Campanian (83.5 - 70.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Halfbreed Creek Mbr of the Pawkowki Formation, which overlies the Early Campanian Milk River Formation, is equivalent to the Lea Park Fm, and is overlain by the Judith River Fm (Late Campanian). AGE: Early Campanian on the basis of ammonite (and other groups) biostratigraphy; Baculites obtusus biozone. Early Campanian according to Dawson et el. - Geological Atlas of the Western Canada Sedimentary Basin. STRATIGRAPHIC POSITION: From unknown part of the Halfbreed Creek Mbr.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone

Size class: macrofossils

Preservation: cast, mold/impression, original calcite

Collected by Russell & Landes in 1934-1936; reposited in the GSC

Collection methods: surface (in situ),

• COLLECTOR: L.S. Russell and R. W. Landes. REPOSITORY: Geological Survey of Canada (GSC)

Primary reference: L. S. Russell and R. W. Landes. 1937. Geology of the Southern Alberta Plains. Part II. Paleontology of the marine formations of the Montana Group. Geological Survey of Canada Memoir 221 [A. Hendy/A. Hendy/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 82669: authorized by Austin Hendy, entered by Austin Hendy on 31.07.2008

Creative Commons license: CC BY (attribution)