Where: Alberta, Canada (54.8° N, 115.5° W: paleocoordinates 62.8° N, 86.4° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Paskapoo Formation, Maastrichtian to Maastrichtian (72.1 - 61.7 Ma)
• bed-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine; volcaniclastic claystone and poorly lithified, argillaceous sandstone
Size class: mesofossils
Collected by L. Russell in 1965
Primary reference: L. S. Russell. 1967. Palaeontology of the Swan Hills area, north-central Alberta. Life Science Contribution, Royal Ontario Museum 71:1-31 [J. Alroy/J. Alroy/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 46099: authorized by Matthew Carrano, entered by Matthew Carrano on 03.01.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Viviparus leai snail | |
Physa canadensis snail |