Shinzhaly K1A and K1B (Eocene of Kazakhstan)

Also known as Andreyevka; Shinzhyly; Shinjaly

Where: Kazakhstan (45.9° N, 80.6° E: paleocoordinates 46.3° N, 74.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Kolpak Formation, Irdinmanhan (48.6 - 37.2 Ma)

• Fossil bones are concentrated at two levels within a 1.3 m thick interval -K1A and K1B - but details of which fossils are within which level are not provided, hence lumping of two levels into one collection

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; bentonitic, gray, green, sandy mudstone

• 1.3 m thick interval of light greenish gray to pale olive, sandy, bentonitic mudstone

Size class: mesofossils

Collected by Kazak-American expedition in 1993-1994

Collection methods: sieve,

Primary reference: R. J. Emry, L. A. Tyutkova, S. G. Lucas and B. Wang. 1998. Rodents of the middle Eocene Shinzhaly fauna of Eastern Kazakstan. Journal of Vertebrate Paleontology 18(1):218-227 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177047: authorized by Philip Mannion, entered by Philip Mannion on 18.03.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia -
Myomorpha indet. rodent
lZ NAS RK 34/163 and 34/255
 Rodentia - Cricetidae
Pappocricetodon kazakstanicus n. sp. Emry et al. 1998 mouse
IZ-NAS-RK-KI 34/249 - type; referred material: IZ NAS RK 34/250-34/253
Zhungaromys gromovi n. gen. n. sp. Emry et al. 1998 mouse
IZ NAS RK, N34/237 - type; referred material: IZ NAS RK 34/238-34/247
 Rodentia -
Saykanomys cf. bohlini Dawson 1964 rodent
IZ NAS RK 34/256-34/265
 Rodentia - Zapodidae
Aksyiromys dalos Shevyreva 1984 jumping mouse
IZ-NAS-RK AS 34/164-34/236