Also known as Kalmakpay River; Chakpaktas; Chakpaktassk; Zaysan
Where: Kazakhstan (48.0° N, 84.0° E: paleocoordinates 48.6° N, 78.1° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Chakpaktas Formation, Arshantan (48.6 - 37.2 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: S. G. Lucas, L. T. Holbrook, and R. J. Emry. 2001. The lophialetid ceratomorph Eoletes (Mammalia) from the Eocene of the Zaysan Basin, Kazakstan. Proceedings of the Biological Society of Washington 114(4):988-992 [P. Mannion/P. Mannion] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 180343: authorized by Philip Mannion, entered by Philip Mannion on 13.07.2016
Creative Commons license: CC BY (attribution)