Mist crinoid locality LCL (Oligocene of the United States)

Where: Columbia County, Oregon (46.0° N, 123.3° W: paleocoordinates 45.7° N, 112.4° W)

• coordinate estimated from map

When: Keasey Formation, Rupelian (33.9 - 28.1 Ma)

Environment/lithology: offshore; concretionary, tuffaceous siltstone and argillaceous mudstone

• deep-water, concretionary, tuffaceous siltstones and clayey mudstones

Size class: macrofossils

Primary reference: C. Burns, K. A. Campbell, and R. Mooi. 2005. Exceptional crinoid occurrences and associated carbonates of the Keasey Formation (Early Oligocene) at Mist, Oregon, USA. Palaeogeography, Palaeoclimatology, Palaeoecology 227:210-231 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 201485: authorized by Mark Uhen, entered by Mark Uhen on 09.05.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Pteropoda indet.
Bivalvia
 Nuculida - Nuculidae
Acila sp.
Acila sp. Adams and Adams 1858 divaricate nutclam