ammonites
Korolenko Borehole 34.8-40.8m ( of Russian Federation)

Where: Omsk, Russian Federation (57.0° N, 75.1° E: paleocoordinates 57.9° N, 70.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Tertiary to Tertiary (65.5 - 5.3 Ma)

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

• clay of a brown-gray color, dense, lightly micaceous

Size class: mesofossils

Preservation: original carbon

Collection methods: core, 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 24322: authorized by Bruce Tiffney, entered by Sara Pendleton on 05.08.2002