Hsanda Gol, section SHG-A/18-20 (Oligocene of Mongolia)

Also known as SHG-A layer 20, 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: G. Daxner-Höck. 2001. New zapodids (Rodentia) from Oligocene-Miocene deposits in Mongolia. Part 1. Senckenbergiana Lethaea 81(2):359-389 [P. Mannion/P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 180958: authorized by Philip Mannion, entered by Philip Mannion on 10.08.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia - Dipodidae
Onjosminthus baindi1 Daxner-Höck et al. 2014 rodent
NHMW 2013/0188/0001
Heosminthus sp.1 Wang 1985 rodent
NHMW 2013/0167/0001– 0003
Heosminthus minutus n. sp. Daxner-Höck 2001 rodent
NHMW 2001z0033/1000111 - type; paratypes: NHMW 2001z0033/0001/2-3
Heosminthus chimidae1 Daxner-Höck et al. 2014 rodent
NHMW 2013/0147/0000
 Rodentia - Cricetidae
Eucricetodon caducus2 Shevyreva 1967 rodent
Eucricetodon asiaticus2 Matthew and Granger 1923 rodent
 Rodentia - Ctenodactylidae
Huangomys frequens4 Schmidt-Kittler et al. 2007 gundi
NHMW 2006z
Yindirtemys shevyrevae4 Vianey-Liaud et al. 2006 gundi
NHMW 2006z93
 Rodentia - Eomyidae
Eomys aff. orientalis3 Wang and Emry 1991 rodent
NHMW 2013/0057/0001
 Artiodactyla - Gelocidae
Gobiomeryx sp.5 Trofimov 1957 ruminant
NHMW 2001z0100/0001
 Artiodactyla - Cervidae
Eumeryx imbellis5 Vislobokova 1983 deer
NHMW 2001z0079/0001