Urtyn Obo "Upper White" Beds (Eocene of China)

Also known as Aliusu; Baluchithere Camp; East Mesa; 4 miles north of Baron Sog Lamasery; Siziwang Banner; Erden Obo

Where: Nei Mongol, China (42.6° N, 111.3° E: paleocoordinates 43.6° N, 106.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Baron Sog Formation, Ulangochuian (37.2 - 33.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; white claystone and sandstone

Size class: macrofossils

Collected in 1925; reposited in the AMNH

Primary reference: S. G. Lucas and R. J. Emry. 1996. Late Eocene entelodonts (Mammalia, Artiodactyla) from Inner Mongolia, China. Proceedings of the Biological Society of Washington 109(2):397-405 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 180943: authorized by Philip Mannion, entered by Philip Mannion on 09.08.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Artiodactyla - Entelodontidae
Entelodon gobiensis Trofimov 1952 even-toed ungulate
AMNH 26176
 Perissodactyla - Amynodontidae
Zaisanamynodon borisovi Belyaeva 1971 odd-toed ungulate
AMNH 21602