Tsagan Khushu Quarry 3 (Paleocene of Mongolia)

Also known as Tsagan Hushu

Where: Omnogov, Mongolia (43.5° N, 100.4° E: paleocoordinates 43.2° N, 91.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Zhigden Member (Naran Bulak Formation), Late/Upper Paleocene (58.7 - 55.8 Ma)

• Zhigden Member also spelt as Zhygden Member

•1 m thick fossiliferous lens

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; red, sandy claystone

• Red sandy clay

Size classes: macrofossils, mesofossils

Collected in 1984

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 133396: authorized by Philip Mannion, entered by Philip Mannion on 11.09.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Mixodontia - Mimotonidae
Amar aleator n. gen. n. sp.
Amar aleator n. gen. n. sp. Dashzeveg and Russell 1988 placental
PSS 20-161 - holotype (right maxillary fragment)
 Glires -
Eomylus zhigdenensis n. gen. n. sp.
Eomylus zhigdenensis n. gen. n. sp. Dashzeveg and Russell 1988 placental
PSS 20-139 - holotype (right maxillary fragment); referred material: PSS 20-137 and 20-138 (mandibular fragments)
 Ferae -
Ernanodon sp. Ding 1979 placental
 Tribosphenida - Arctostylopidae