Where: Gansu, China (36.5° N, 104.2° E: paleocoordinates 36.8° N, 100.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: lower Member (Xianshuihe Formation), Late/Upper Oligocene (28.4 - 23.0 Ma)

• Lower part of the red mudstone of the lower member of the Xianshuihe Fm.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; red mudstone

Size class: mesofossils

Collected in 1997; reposited in the IVPP

Primary reference: B.-Y. Wang and Z.-X. Qiu. 2000. Micromammal fossils from red mudstone of Lower Member of Xianshuihe Formation in Lanzhou Basin, China. Vertebrata PalAsiatica 38(4):255-273 [P. Mannion/P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176455: authorized by Philip Mannion, entered by Philip Mannion on 12.02.2016

Creative Commons license: CC BY (attribution)