ammonites
Lezhanka Village, Irtysh River, Sample 1 (Miocene of Russian Federation)

Where: Omsk, Russian Federation (55.5° N, 73.5° E: paleocoordinates 55.8° N, 73.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Late/Upper Miocene (11.6 - 5.3 Ma)

Environment/lithology: fluvial-lacustrine; unlithified, black, brown claystone

• Clay, dark-brown, almost black, layered, dense

Size class: mesofossils

Preservation: original carbon

Collection methods: bulk, sieve,

Primary reference: P. I. Dorofeev. 1963. Tretichnye Flory Zapadnoi Sibiri (Tertiary Floras of Western Siberia). Izdat. Akad. Nauk, Moscow/Leningrad. 343 pp. [B. Tiffney/B. Tiffney/B. Tiffney] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24098: authorized by Bruce Tiffney, entered by Sara Pendleton on 30.07.2002