Chelkar-Tengiz (Oligocene of Kazakhstan)

Also known as Shalkarteniz, Tchelkar Tengiz

Where: Kustanai, Kazakhstan (48.1° N, 63.5° E: paleocoordinates 48.9° N, 60.1° E)

• coordinate based on nearby landmark

When: Chelkarnura Formation, Rupelian (33.9 - 28.1 Ma)

• Chliktinskaya (Chelkarnurinskaya) Svita; late Rupelian, lower Oligocene.

Environment/lithology: lacustrine - large; lithology not reported

Size class: macrofossils

Primary reference: N. Zelenkov. 2024. A remarkable diversity of waterfowl (Aves: Anseriformes) from the upper Eocene and lower Oligocene of Kazakhstan. Journal of Vertebrate Paleontology more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 235745: authorized by Mark Uhen, entered by Mark Uhen on 30.07.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
 Neornithes -
Anseriformes indet. Wagler 1831 waterfowl
 Anseriformes - Paranyrocidae
Cygnopterus lambrechti Kurochkin 1968 waterfowl
 Anseriformes - Anatidae
Mionetta turgaiensis n. sp. Zelenkov 2024 stiff-tailed duck
Uyrekura chalkarica n. gen. n. sp. Zelenkov 2024 waterfowl
Paracygnopterus sp. Harrison and Walker 1979 waterfowl