Where: Tomsk, Russian Federation (56.5° N, 82.5° E: paleocoordinates 57.5° N, 80.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Chattian (28.1 - 23.0 Ma)

Environment/lithology: fluvial-lacustrine; 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 23891: authorized by Bruce Tiffney, entered by Sara Pendleton on 23.07.2002

Creative Commons license: CC BY (attribution)