K10, Zertsalo (Eocene of Kazakhstan)

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

• Thin lenses of coarse, gravelly 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

Show authors, comments, and common names
Mammalia
 Rodentia - Ctenodactylidae
cf. Karakoromys sp.
cf. Karakoromys sp. Matthew and Granger 1923 gundi
 Rodentia - Dipodidae
Allosminthus sp., cf. Allosminthus ernos, Heosminthus primiveris, Sinosminthus sp.
Allosminthus sp. Wang 1985 rodent
cf. Allosminthus ernos Wang 1985 rodent
Heosminthus primiveris Wang 1985 rodent
Sinosminthus sp. Wang 1985 rodent
 Rodentia - Cricetidae
Eucricetodon sp.
Eucricetodon sp. Thaler 1966 mouse
 Rodentia - Cylindrodontidae
Ardynomys sp.
Ardynomys sp. Matthew and Granger 1925 rodent
 Rodentia - Eomyidae
Symplokeomys zaysanicus n. gen. n. sp.
Symplokeomys zaysanicus n. gen. n. sp. Emry et al. 1997 rodent
IZ NAS RK 35(10)/1843 - holotype
 Theriamorpha - Herpetotheriidae
Asiadidelphis zaissanense
Asiadidelphis zaissanense Gabunia et al. 1990 marsupial