Northwest of Eagle Butte (Paleocene of Canada)

Where: Alberta, Canada (49.7° N, 110.5° W: paleocoordinates 56.6° N, 84.7° W)

• outcrop-level geographic resolution

When: Ravenscrag Formation, Puercan (66.0 - 63.3 Ma)

• "slumped basal Ravenscrag beds"

• member-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• no details given

Size classes: macrofossils, mesofossils

Primary reference: L. S. Russell. 1974. Fauna and correlation of the Ravenscrag Formation (Paleocene) of southwestern Saskatchewan. Life Sciences Contributions, Royal Ontario Museum 102:1-53 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 22925: authorized by John Alroy, entered by John Alroy on 02.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• originally described by Russell 1940
Gastropoda
 Architaenioglossa - Viviparidae
Campeloma nebrascense snail
"C. nebrascense whitei"
Lioplacodes nebrascensis snail
"L. nebrascensis producta (White)"
 Sorbeoconcha - Hydrobiidae
Bivalvia
 Cardiida - Sphaeriidae
Sphaerium sp. Scopoli 1777 fingernail clam
 Unionida - Unionidae
Unio sp. Philipsson 1788 freshwater mussel
name given in quotes