PBDB Collection

Unzing Khurem, section TAR-A/2 (Oligocene of Mongolia)

Also known as Valley of Lakes

Where: Övörkhangai, Mongolia (45.3° N, 101.6° E: paleocoordinates 46.4° N, 100.0° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Loh Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)

• 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 classes: macrofossils, mesofossils

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 180986: authorized by Philip Mannion, entered by Philip Mannion on 11.08.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Mammalia
Rodentia - Cricetidae	Aralocricetodon schokensis³ Aralocricetodon schokensis³ Bendukidze 1993 rodent NHMW2015/0321/0001-7
Rodentia - Ctenodactylidae	Yindirtemys aff. ulantatalensis Yindirtemys aff. ulantatalensis Huang 1985 gundi NHMW 2006z91
Rodentia - Dipodidae	Parasminthus cf. asiaecentralis¹, Parasminthus cf. tangingoli¹, Bohlinosminthus parvulus¹, Heosminthus chimidae¹ Parasminthus cf. asiaecentralis¹ Bohlin 1946 rodent NHMW 2013/0263/0001 Parasminthus cf. tangingoli¹ Bohlin 1946 rodent NHMW 2013/0195/0001 Bohlinosminthus parvulus¹ Bohlin 1946 rodent NHMW 2013/0208/0000 Heosminthus chimidae¹ Daxner-Höck et al. 2014 rodent NHMW 2013/0153/0001–0006
Lagomorpha - Leporidae	"Desmatolagus gobiensis" = Desmatolagus gobiensis², "Desmatolagus cf. shargaltensis" = Desmatolagus gobiensis², Desmatolagus cf. orlovi² "Desmatolagus gobiensis" = Desmatolagus gobiensis² Matthew and Granger 1923 rabbit NHMW2013/0322/0000 "Desmatolagus cf. shargaltensis" = Desmatolagus gobiensis² Matthew and Granger 1923 rabbit NHMW2013/0110/0001 Desmatolagus cf. orlovi² Gureev 1960 rabbit NHMW2013/0112
Lagomorpha - Ochotonidae	Bohlinotona cf. pusilla² Bohlinotona cf. pusilla² Teilhard de Chardin 1926 pika NHMW2013/0355/0000

¹Daxner-Höck et al. 2014; ²Erbajeva and Daxner-Höck 2014; ³López-Guerrero et al. 2017