ammonites
Riverside (UCMP V-4835) (Miocene of the United States)

Where: Grant County, Oregon (44.5° N, 119.3° W: paleocoordinates 44.4° N, 114.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Unit 5 Member (Mascall Formation), Miocene (23.0 - 5.3 Ma)

Environment/lithology: terrestrial

Reposited in the UCMP

Primary reference: T. Downs. 1956. University of California Publications in Geological Sciences 31(5) [J. Alroy/J. Alroy] more details

PaleoDB collection 19028: authorized by John Alroy, entered by John Alroy on 27.09.1993

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