Where: Kustanay, Kazakhstan (51.2° N, 63.6° E: paleocoordinates 51.7° N, 58.8° E)

• coordinate based on nearby landmark

When: Tavda Formation, Priabonian (38.0 - 33.9 Ma)

Environment/lithology: marine; claystone

Size class: macrofossils

Primary reference: A. O. Averianov. 1997. Paleogene sea snakes from the eastern part of Tethys. Russian Journal of Herpetology 4(2):128-142 [J. Head/J. Head/J. Head]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49167: authorized by Jason Head, entered by Jason Head on 10.04.2005

Creative Commons license: CC BY (attribution)