Hsanda Gol, section SHG-A/15 (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: P. López-Guerrero, O. Maridet, and G. Daxner-Höck. 2017. Evolution of the genus Eucricetodon (Rodentia, Mammalia) from the Valley of Lakes (Mongolia): a taxonomical description and update on the stratigraphical distribution. Palaeobiodiversity and Palaeoenvironments 97(1):67-89 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 187260: authorized by Philip Mannion, entered by Philip Mannion on 18.07.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia - Cricetidae
Eucricetodon caducus Shevyreva 1967 mouse
 Rodentia - Dipodidae
Heosminthus chimidae Daxner-Höck et al. 2014 rodent
NHMW 2013/0146/0001–0013