Where: Alberta, Canada (49.3° N, 112.8° W: paleocoordinates 57.0° N, 78.5° W)
• coordinate stated in text
• local area-level geographic resolution
When: Baculites compressus ammonoid zone, Blood River Sandstone Member (Foremost Formation), Late/Upper Campanian (83.5 - 70.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Blood River Sandstone, which overlies gradationally the Late Campanian Bearpaw Shale, and is presumably overlain by the Eastman Fm (Early Maastrichtian). AGE: Late Campanian on the basis of ammonite (and other groups) biostratigraphy; Baculites compressus zone. Late Campanian according to Dawson et el. - Geological Atlas of the Western Canada Sedimentary Basin. STRATIGRAPHIC POSITION: From unknown position within the Foremost Fm.
• group of beds-level stratigraphic resolution
Environment/lithology: shoreface; lithified sandstone
Size class: macrofossils
Preservation: original aragonite, original calcite
Reposited in the GSC
Collection methods: surface (in situ),
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 82687: authorized by Austin Hendy, entered by Austin Hendy on 31.07.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Baculites compressus Say 1920 ammonite | |
Gastropoda | |
Polinices sp. Monfort 1810 moon snail | |
Bivalvia | |
"Panope sp." = Panopea
"Panope sp." = Panopea Menard 1807 clam | |
Mactra warrenana clam
Mactra alta clam | |
Tellina sp. Linnaeus 1758 tellin clam |