Ula Usu, Shara Murum (AMNH) (Eocene of China)

Also known as Shara Murun

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

• bed-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 A. F. Johnson in & September 1923; reposited in the AMNH

Primary reference: H. F. Osborn. 1936. Amynodon mongoliensis from the Upper Eocene of Mongolia. American Museum Novitates 859:1-5 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174962: authorized by Philip Mannion, entered by Philip Mannion on 01.12.2015, edited by David Nicholson and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Pantestudinidae
Testudo sp.2 Linnaeus 1758 turtle
AMNH 6601
Testudo sharanensis n. sp.1 Yeh 1965 turtle
Holotype IVPP V 2868 and paratype IVPP V 2868. Listed as "Ula Usu Formation?"
Mammalia
 Glires -
Lagomorpha indet.3 Brandt 1885 placental
AMNH 20326
 Perissodactyla -
Caenolophus obliquus n. sp.3 Matthew and Granger 1925 odd-toed ungulate
AMNH 20296 - type
Caenolophus promissus n. gen. n. sp.3 Matthew and Granger 1925 odd-toed ungulate
AMNH 20297 - type
Caenolophus progressus n. sp.3 Matthew and Granger 1925 odd-toed ungulate
AMNH 20298 - type
 Perissodactyla - Amynodontidae
"Amynodon mongoliensis n. sp." = Sharamynodon mongoliensis
"Amynodon mongoliensis n. sp." = Sharamynodon mongoliensis Osborn 1936 odd-toed ungulate
AMNH 20278 - type; referred specimens: AMNH 20279, 20282-20284
 Perissodactyla - Hyracodontidae
"Caenolophus minimus n. sp." = Rhodopagus minimus3
"Caenolophus minimus n. sp." = Rhodopagus minimus3 Matthew and Granger 1925 odd-toed ungulate
AMNH 20310 - type
 Perissodactyla - Deperetellidae
Deperetella cristata n. gen. n. sp.3
Deperetella cristata n. gen. n. sp.3 Matthew and Granger 1925 odd-toed ungulate
AMNH 20290 - type; paratypes: AMNH 20291, 20292, 20294, 20295 and 20305
 Ungulata - Archaeomerycidae
Archaeomeryx optatus n. gen. n. sp.3
Archaeomeryx optatus n. gen. n. sp.3 Matthew and Granger 1925 ruminant
AMNH 20311 - type; paratypes: AMNH 20320-20322
 Acreodi - Mesonychidae
Olsenia mira n. gen. n. sp.3
Olsenia mira n. gen. n. sp.3 Matthew and Granger 1925 condylarth
AMNH 20303 - type; referred specimen: AMNH 20319
 Hyaenodonta - Hyainailouridae
Pterodon hyaenoides n. sp.3 Matthew and Granger 1925 eutherian
AMNH 20307 - type