Where: Natrona County, Wyoming (43.2° N, 107.1° W: paleocoordinates 43.7° N, 104.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Ogallala Formation, Clarendonian (12.5 - 9.4 Ma)

Environment/lithology: fluvial-lacustrine

Size class: macrofossils

Reposited in the UCMP

Primary reference: J. Munthe. 1988. Miocene mammals of the Split Rock area, Granite Mountains basin, central Wyoming. University of California Publications in Geological Sciences 126:1-136 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 18905: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)