Jhama Obo (Eocene of China)

Also known as Shara Murun; East Mesa; Siziwang Banner

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

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ulan Gocho Formation, Late/Upper Eocene (37.2 - 33.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by Central Asiatic Expedition in 1928; reposited in the AMNH

Primary reference: J. J. Burke. 1941. New fossil Leporidae from Mongolia. American Museum Novitates 1117:1-23 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174752: authorized by Philip Mannion, entered by Philip Mannion on 27.11.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Paraceratheriidae
Urtinotherium parvus1 odd-toed ungulate
AMNH 26190
 Rodentia - Cylindrodontidae
Ardynomys sp.2 Matthew and Granger 1925 rodent
AMNH 26076 and 26077
 Lagomorpha - Leporidae
Desmatolagus vetustus n. sp., "Gobiolagus andrewsi n. sp." = Gobiolagus tolmachovi
Desmatolagus vetustus n. sp. Burke 1941 rabbit
AMNH 26089 - type; referred material: AMNH 26090, 26093-26095
"Gobiolagus andrewsi n. sp." = Gobiolagus tolmachovi Burke 1941 rabbit
AMNH 26091 - type; referred specimen: AMNH 26092