Tsagan Khushu Quarry 2 (Eocene of Mongolia)

Also known as Tsagan Hushu

Where: Omnogov, Mongolia (43.5° N, 100.4° E: paleocoordinates 43.5° N, 92.4° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bumban Member (Naran Bulak Formation), Bumbanian (55.8 - 48.6 Ma)

• 20 cm to 1 m thick fossiliferous lens

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; brown sandstone

• Brown sandstone and gravel lenses

Size classes: macrofossils, mesofossils

Primary reference: D. Dashzeveg and D. E. Russell. 1988. Palaeocene and Eocene Mixodontia (Mammalia, Glires) of Mongolia and China. Palaeontology 31(1):129-164 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 133397: authorized by Philip Mannion, entered by Philip Mannion on 11.09.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cimolesta - Cimolestidae
Naranius infrequens Russell and Dashzeveg 1986 eutherian
 Condylarthra - Hyopsodontidae
 Primates -
Altanius orlovi Dashzeveg and McKenna 1977 primate
 Glires - Eurymylidae
Rhombomylus cf. turpanensis Zhai 1978 placental
PSS 20-164 (tooth)
 Glires - Mimotonidae
Gomphos elkema Shevyreva 1975 placental
PSS 20-11, 162, 163, 166 and 167 (teeth)
 Rodentia - Tamquammyidae
Sharomys singularis n. gen. n. sp., Sharomys parvus, Kharomys mirandus n. gen. n. sp.
Sharomys singularis n. gen. n. sp. Dashzeveg 1990 rodent
PSS 20-182 - holotype; referred material: PSS 20-178, 180 and 186
Sharomys parvus Dashzeveg 1990 rodent
Kharomys mirandus n. gen. n. sp. Dashzeveg 1990 rodent
PSS 20-179 - holotype
 Theriamorpha - Nyctitheriidae
Bumbanius rarus Russell and Dashzeveg 1986 placental
Oedolius perexiguus Russell and Dashzeveg 1986 placental
 Perissodactyla -
Homogalax namadicus Dashzeveg 1979 odd-toed ungulate
 Proteutheria - Palaeoryctidae
Tsaganius ambiguus Russell and Dashzeveg 1986 eutherian