Yihesubu (Eocene of China)

Also known as Erden Obo; Urtyn Obo

Where: Nei Mongol, China (42.6° N, 111.6° E: paleocoordinates 43.5° N, 106.5° E)

• coordinate stated in text

• small collection-level geographic resolution

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

• "probably late Eocene"

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by J. Meng, Y.-M. Hu, J. Ye in 1992, 2000; reposited in the IVPP

Primary reference: J. Meng and Y.-M. Hu. 2004. Lagomorphs from the Yihesubu late Eocene of Nei Mongol (Inner Mongolia). Vertebrata PalAsiatica 42(4):261-275 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 77908: authorized by John Alroy, entered by John Alroy on 22.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia - Cylindrodontidae
Ardynomys sp. Matthew and Granger 1925 rodent
Pseudocylindrodon sp. Burke 1935 rodent
 Lagomorpha - Leporidae
Desmatolagus sp. Matthew and Granger 1923 rabbit
large
Desmatolagus cf. vetustus Burke 1941 rabbit
Hypsimylus yihesubuensis n. sp. Meng and Hu 2004 rabbit
Gobiolagus major Burke 1941 rabbit
 Perissodactyla - Hyracodontidae
? Ardynia sp. Matthew and Granger 1923 odd-toed ungulate
 Ungulata - Lophiomerycidae
Lophiomeryx sp. Pomel 1853 ruminant