Alag Tsab (Eocene of Mongolia)

Where: Dornogov, Mongolia (44.4° N, 109.8° E: paleocoordinates 45.8° N, 105.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ergilin Member, Late/Upper Eocene (37.2 - 33.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray sandstone

• Light gray sand

Size class: macrofossils

Collected by Geological Institute of Mongolian Academy of Sciences in 1990

Primary reference: D. Dashzeveg. 1996. A new Ardynomys (Rodentia, Cylindrodontidae) from the Eocene of the Eastern Gobi Desert, Mongolia. Palaeovertebrata 25(2-4):339-348 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174918: authorized by Philip Mannion, entered by Philip Mannion on 30.11.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Creodonta - Hyaenodontidae
Hyaenodon sp.
Hyaenodon sp. Laizer and Parieu 1838 creodont
 Carnivora -
"Stenoplesictis indigenus n. sp." = Alagtsavbaatar indigenus
"Stenoplesictis indigenus n. sp." = Alagtsavbaatar indigenus Dashzeveg 1996 carnivoran
PSS 40/15 - type
 Perissodactyla - Amynodontidae
Gigantamynodon sp.
Gigantamynodon sp. Gromova 1954 odd-toed ungulate
 Perissodactyla - Tapiridae
Teleolophus sp.
Teleolophus sp. Matthew and Granger 1925 tapir
 Rodentia - Cylindrodontidae
"Ardynomys russelli n. sp." = Ardynomys olseni
"Ardynomys russelli n. sp." = Ardynomys olseni Matthew and Granger 1925 rodent
PSS 40/6 - type; referred material: PSS 40/13