Also known as Valley of Lakes

Where: Mongolia (45.4° N, 101.2° E: paleocoordinates 46.5° N, 99.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: C1 mammal zone, Hsanda Gol Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)

• Biozone C1 sensu Höck et al. 1999

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; red, silty mudstone

Size classes: macrofossils, mesofossils

Reposited in the NHMW

Primary reference: W. Wessels, D. Badamgarav, V. Van Onselen and G. Daxner-Höck. 2014. Tsaganomyidae (Rodentia, Mammalia) from the Oligocene of Mongolia (Valley of Lakes). Annalen des Naturhistorischen Museums in Wien, Serie A 116:293-325 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 182061: authorized by Philip Mannion, entered by Philip Mannion on 10.10.2016

Creative Commons license: CC BY (attribution)