Hsanda Gol, section SHG-A/13+14 (Oligocene of Mongolia)

Also known as Valley of Lakes

Where: Övörkhangai, Mongolia (45.3° N, 101.8° E: paleocoordinates 46.7° N, 99.3° E)

• coordinate stated in text

• small collection-level geographic resolution

When: B mammal zone, Hsanda Gol Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)

• Biozone B

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; red, silty mudstone

• The fines of the Hsanda Gol Fm. are interpreted as eolian dust and playa sediments, deposited on an arid plain (Höck et al., 1999).
• The Hsanda Gol Fm. mainly consists of "brick red" poorly sorted mudstones (Höck et al., 1999).

Size class: mesofossils

Reposited in the NHMW

Collection methods: sieve

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 182041: authorized by Philip Mannion, entered by Philip Mannion on 10.10.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Rodentia - Bathyergidae
Cyclomylus lohensis, Tsaganomys altaicus, Coelodontomys asiaticus
Cyclomylus lohensis Matthew and Granger 1923 mole rat
NHMW 2013/0500/0001-0003
Tsaganomys altaicus Matthew and Granger 1923 mole rat
NHMW 2013/0503/0001-0003
Coelodontomys asiaticus Wang 2001 mole rat
NHMW 2013/0504/0001