Where: Logan County, Colorado (40.8° N, 103.1° W: paleocoordinates 41.3° N, 100.3° W)

• coordinate based on political unit

When: Pawnee Creek Beds Formation, Barstovian to Barstovian (16.3 - 9.4 Ma)

• JA: Barstovian to Clarendonian based on AEO results

Environment/lithology: terrestrial; lithology not reported

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: taxonomic analysis

PaleoDB collection 18445: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)