Hsanda Gol, section SHG-AB/22 (Oligocene of Mongolia)

Also known as SHG-AB layer 22, 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

Collected by joint Austrian-Mongolian project in 1995-1997, 2001, 2004, 2006; reposited in the NHMW

Collection methods: sieve

Primary reference: N. Schmidt-Kittler, N. Vianey-Liaud, and L. Marivaux. 2007. 6. The Ctenodactylidae (Rodentia, Mamalia). Annalen des Naturhistorischen Museums in Wien, Serie A 108A:173-215 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 180985: authorized by Philip Mannion, entered by Philip Mannion on 11.08.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia - Cricetidae
Eucricetodon asiaticus Matthew and Granger 1923 rodent
Eucricetodon caducus Shevyreva 1967 rodent
 Rodentia - Ctenodactylidae
Yindirtemys shevyrevae Vianey-Liaud et al. 2006 gundi
NHMW 2006z