Big Muddy 17 (Paleocene of Canada)

Also known as McLearn's 17

Where: Saskatchewan, Canada (49.1° N, 104.9° W: paleocoordinates 54.5° N, 81.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ravenscrag Formation, Paleocene (66.0 - 56.0 Ma)

• "above Willowbunch Member"

• member-level stratigraphic resolution

Environment/lithology: terrestrial; yellow siltstone and yellow sandstone

• "Buff facies"

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 22919: authorized by John Alroy, entered by John Alroy on 02.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Fusconaia tuchiasana n. sp.
(Russell 1932); unionid
Gastropoda
 Architaenioglossa - Viviparidae
Bivalvia
 Unionida - Unionidae
Rhabdotophorus declivis freshwater mussel
(Russell 1934b); unionid