Where: Alberta, Canada (52.8° N, 116.9° W: paleocoordinates 58.2° N, 76.3° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Wapiabi Formation (Alberta Group), Coniacian to Coniacian (89.8 - 83.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Waipiabi Fm of the Alberta Gp. Overlies the Cardium Formation conformably or with only slight disconformity. The upper beds are gradational into the overlying Belly River Formation in the south and the Brazeau Formation in the central foothills. The unit passes eastward into shales of the upper Colorado Group and Lea Park Formation, to the north into the Puskwaskau, Bad Heart and Muskiki formations. AGE: Coniacian, on the basis of ammonoid biostratigraphy; Scaphites ventricosus-vermiformis zone. STRATIGRAPHIC POSITION: List representing lower part of formation.

• member-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, sideritic, black, gray shale

Size class: macrofossils

Preservation: cast, mold/impression, concretion, replaced with siderite

Reposited in the GSC

Collection methods: surface (in situ),

• COLLECTOR: Multiple collectors. REPOSITORY: Geological Survey of Canada (GSC).

Primary reference: P. S. Warren and R. L. Rutherford. 1928. American Journal of Science. 16:129-136 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87433: authorized by Austin Hendy, entered by Austin Hendy on 17.03.2009

Creative Commons license: CC BY (attribution)