Also known as Koksaldy River
Where: Kazakhstan (47.8° N, 83.8° E: paleocoordinates 49.0° N, 79.6° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Aksyir Formation, Late/Upper Eocene (37.2 - 33.9 Ma)
• Approximately 4 m below the contact of the Aksyir Formation with the overlying Kusto Formation
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; coarse-grained sandstone
Size class: macrofossils
Collected by Kazakh-American-Georgian Paleontological Expedition in 1993-1994
Primary reference: R. J. Emry, B. Wang, L. A. Tjutkova and S. G. Lucas. 1997. A late Eocene eomyid rodent from the Zaysan Basin of Kazakhstan. Journal of Vertebrate Paleontology 17(1):229-234 [P. Mannion/P. Mannion]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 201016: authorized by Philip Mannion, entered by Philip Mannion on 29.04.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
cf. Karakoromys sp. Matthew and Granger 1923 gundi | |
Allosminthus sp. Wang 1985 rodent
cf. Allosminthus ernos Wang 1985 rodent
Heosminthus primiveris Wang 1985 rodent
Sinosminthus sp. Wang 1985 rodent | |
Eucricetodon sp. Thaler 1966 mouse | |
Ardynomys sp. Matthew and Granger 1925 rodent | |
Symplokeomys zaysanicus n. gen. n. sp.
| |
Asiadidelphis zaissanense Gabunia et al. 1990 marsupial |