Ula Usu well, Shara Murum (Eocene of China)

Also known as type Shara Murum Formation locality

Where: Nei Mongol, China (42.0° N, 111.5° E: paleocoordinates 43.0° N, 105.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Shara Murum Formation, Middle Eocene (48.6 - 37.2 Ma)

• type locality for the Shara Murum Formation

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; gray sandstone and brown claystone

• "light greyish sands and clays in the upper part and light brown clays in the lower...while both the upper and lower parts are fossiliferous, the overwhelming majority of the material were derived from the lower part of the formation exposed near the Well of Ula Usu."

Size class: macrofossils

Collected by SSPE in Aug-Sep 1959

Collection methods: quarrying,

• August to September, 1959.

Primary reference: M. Chow and A. K. Rozhdestvensky. 1960. Exploration in Inner Mongolia: a preliminary account of the 1959 field work of the Sino-Soviet Paleontological Expedition (SSPE). Vertebrata PalAsiatica 4(1):1-10 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 28786: authorized by Matthew Carrano, entered by Matthew Carrano on 24.02.2003, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
Aves indet. Linnaeus 1758 bird
 Glires -
 Rodentia -
Yuomys cavioides4 Li 1975 rodent
IVPP V4801 and V4803
 Lagomorpha - Leporidae
Shamolagus medius3 Burke 1941 rabbit
IVPP V3011
? Gobiolagus sp.3 Burke 1941 rabbit
IVPP V3012
Gobiolagus burkei n. sp.5 Meng et al. 2005 rabbit
AMNH 141275 - type; referred material: AMNH 141276
Gobiolagus tolmachovi5 Burke 1941 rabbit
AMNH 141277-141295
 Perissodactyla - Brontotheriidae
Brontotheriidae indet. Marsh 1873 brontothere
 Perissodactyla - Chalicotheriidae
Chalicotheriidae indet. Gill 1872 chalicothere
 Perissodactyla - Paraceratheriidae
"Juxia sharamurenense n. gen. n. sp." = Juxia sharamurenensis1
"Juxia sharamurenense n. gen. n. sp." = Juxia sharamurenensis1 Chow and Chiu 1964 odd-toed ungulate
IVPP V2891 - holotype; referred material: IVPP V2892 and 2893
 Perissodactyla - Amynodontidae
Amynodontidae indet.6 Scott and Osborn 1883 odd-toed ungulate
IVPP V3223
Lushiamynodon sharamurenensis n. sp.6 Xu 1966 odd-toed ungulate
IVPP V2892 - type
"Amynodon mongoliensis" = Sharamynodon mongoliensis6 Osborn 1936 odd-toed ungulate
IVPP V3216
Gigantamynodon promisus n. sp.6 Xu 1966 odd-toed ungulate
IVPP V3218 - type
Sianodon ulausuensis n. sp.6 Xu 1966 odd-toed ungulate
IVPP V3215 - type
 Perissodactyla - Rhinocerotidae
Rhinocerotidae indet. Gray 1821 rhinoceros
"resembles...a small indricothere of primitive type"
 Perissodactyla - Helaletidae
Helaletidae indet. Osborn 1892 odd-toed ungulate
 Ferae -
Carnivora indet. Bowditch 1821 carnivoran
 Ungulata - Anthracotheriidae
Ulausuodon parvus n. gen. n. sp.2
Ulausuodon parvus n. gen. n. sp.2 Hu 1963 anthracothere
IVPP V2808 - holotype
 Ungulata - Archaeomerycidae
Archaeomeryx sp. Matthew and Granger 1925 ruminant