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

Also known as Valley of Lakes

Where: Övörkhangai, Mongolia (45.3° N, 101.8° E: paleocoordinates 46.4° N, 100.1° E)

• coordinate stated in text

• small collection-level geographic resolution

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

• Biozone C1

• 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: G. Daxner-Höck, D. Badamgarav, and O. Maridet. 2015. Evolution of Tachyoryctoidinae (Rodentia, Mammalia): evidences of the Oligocene and Early Miocene of Mongolia. Annalen des Naturhistorischen Museums in Wien, Serie A 117:161-195 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 182077: authorized by Philip Mannion, entered by Philip Mannion on 10.10.2016, edited by Pauline Coster

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Rodentia - Ctenodactylidae
Tataromys plicidens
Tataromys plicidens Matthew and Granger 1923 gundi
 Rodentia - Muridae
Tachyoryctoides obrutschewi
Tachyoryctoides obrutschewi Bohlin 1937 mouse
NHMW 2013/0452/0001