ammonites
Olson Ranch ( of the United States)

Also known as UNSM Cr-125

Where: Cherry County, Nebraska (42.8° N, 100.8° W: paleocoordinates 43.6° N, 95.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Harrison Formation, Harrisonian (24.8 - 20.4 Ma)

Environment/lithology: terrestrial

Reposited in the UNSM

Primary reference: W. W. Korth. 1992. Annals of Carnegie Museum 61(2) [J. Alroy/J. Alroy] more details

PaleoDB collection 17816: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)