Also known as Ulan I

Where: Nei Mongol, China (39.2° N, 105.6° E: paleocoordinates 39.9° N, 101.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ulantatal Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)

• Ulan I (late Early Oligocene)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; siltstone and claystone

Size class: mesofossils

Collected in 1987; reposited in the IVPP

Primary reference: H. Gomes Rodrigues, L. Marivaux, and M. Vianey-Liaud. 2012. The Cricetidae (Rodentia, Mammalia) from the Ulantatal area (Inner Mongolia, China): New data concerning the evolution of Asian cricetids during the Oligocene. Journal of Asian Earth Sciences 56:160-179 [P. Mannion/P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175406: authorized by Philip Mannion, entered by Philip Mannion on 11.12.2015

Creative Commons license: CC BY (attribution)