Also known as 200203; 20 km northwest to Burqin City; north bank of the Irtysh River

Where: Xinjiang, China (47.8° N, 86.7° E: paleocoordinates 49.1° N, 83.8° E)

• coordinate stated in text

• small collection-level geographic resolution

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

• 115.5 m horizon

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, green mudstone

Size classes: macrofossils, mesofossils

Collected in 2002; reposited in the IVPP

Primary reference: W. Wu, J. Meng, J. Ye and X. Ni. 2004. Propalaeocastor (Rodentia, Mammalia) from the Early Oligocene of Burqin Basin, Xinjiang. American Museum Novitates 3461:1-16 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174978: authorized by Philip Mannion, entered by Philip Mannion on 01.12.2015

Creative Commons license: CC BY (attribution)