Where: Logan County, Colorado (40.8° N, 103.1° W: paleocoordinates 42.0° N, 95.2° W)

• coordinate based on political unit

When: Cedar Creek Member (Brule Formation), Orellan (33.9 - 33.3 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: E. C. Galbreath. 1953. A contribution to the Tertiary geology and paleontology of northeastern Colorado. University of Kansas Paleontological Contributions Vertebrata 4:1-120 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 17083: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)