XJ200203 (115.5 m horizon, bed 28) (Oligocene of China)

Also known as 200203; 20 km northwest to Burqin City; north bank of the Irtysh River

Where: Xinjiang, China (47.8° N, 86.7° E: paleocoordinates 49.1° N, 83.8° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Keziletuogayi Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)

• 115.5 m horizon

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, green mudstone

• Grayish green mudstone

Size classes: macrofossils, mesofossils

Collected in 2002; reposited in the IVPP

Primary reference: W. Wu, J. Meng, J. Ye and X. Ni. 2004. Propalaeocastor (Rodentia, Mammalia) from the Early Oligocene of Burqin Basin, Xinjiang. American Museum Novitates 3461:1-16 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174978: authorized by Philip Mannion, entered by Philip Mannion on 01.12.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

 Rodentia - Cricetidae
Cricetops dormitor Matthew and Granger 1923 mouse
Ulaancricetodon cf. badamae Daxner-Höck 2000 mouse
Eucricetodon asiaticus Matthew and Granger 1923 mouse
Eucricetodon caducus Shevyreva 1967 mouse
 Rodentia - Dipodidae
"Tatalsminthus "n. sp."" = Allosminthus Wang 1985 rodent
Parasminthus aff. tangingoli Bohlin 1946 rodent
 Rodentia - Aplodontidae
? Prosciurus sp. Matthew 1903 mountain beaver
 Rodentia - Sciuridae
Sciuridae indet. Gray 1821 squirrel
 Rodentia - Castoridae
Propalaeocastor irtyshensis n. sp. Wu et al. 2004 beaver
IVPP V13690 - type
 Rodentia - Bathyergidae
Cyclomylus lohensis Matthew and Granger 1923 mole rat
 Rodentia - Ctenodactylidae
Karakoromys decessus Matthew and Granger 1923 gundi
 Lagomorpha - Leporidae
Desmatolagus aff. vetustus Burke 1941 rabbit
 Lipotyphla - Erinaceidae
Palaeoscaptor cf. acridens Matthew and Granger 1924 hedgehog
 Tribosphenida - Changlelestidae
Tupaiodon cf. morrisi Matthew and Granger 1924 placental