Where: Tomsk, Russian Federation (57.0° N, 83.0° E: paleocoordinates 58.0° N, 80.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Chattian (28.1 - 23.0 Ma)

Environment/lithology: fluvial-lacustrine; unlithified sandstone and unlithified lignite

Size class: mesofossils

Preservation: original carbon

Collection methods: bulk, sieve,

Primary reference: P. I. Dorofeev. 1963. Tretichnye Flory Zapadnoi Sibiri. Akad. Nauk, Moscow/Leningrad 1-343 [B. Tiffney/B. Tiffney/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 22888: authorized by Bruce Tiffney, entered by Sara Pendleton on 30.06.2002

Creative Commons license: CC BY (attribution)