Where: Russian Federation (50.8° N, 142.1° E: paleocoordinates 55.0° N, 130.5° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Nizhneduyskaya Formation, Early/Lower Paleocene (66.0 - 61.7 Ma)

• STRATIGRAPHIC RELATIONS: From Nizhneduyskaya suite of the "upper Snezhinkin" horizon, which lies between the "lower Snezhinkin" (?Early Paleocene) and "Krasnopoliev" (?Late Paleocene) horizons. THICKNESS: Total thickness of unit is 900 m. AGE: Early Paleocene, on the basis of classification into the "Snezhinkin" horizon. STRATIGRAPHIC POSITION: Composite checklist for formation in this area.

• formation-level stratigraphic resolution

Environment/lithology: marginal marine; lithified sandstone and lithified siltstone

Size class: macrofossils

Collection methods: COLLECTOR: Unknown, presumably Krystofovich and Polevoy (c. 1918). REPOSITORY: Unknown repository.

Primary reference: A. I. Kafanov and K. Ogasawara. 2003. Neogene and Paleogene Molluscan (Bivalvia) Cenozones of Sakhalin and Kurile Islands. Science Reports, Institute of Geoscience, University of Tsukuba 24:45-79 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 70524: authorized by Austin Hendy, entered by Austin Hendy on 27.03.2007

Creative Commons license: CC BY (attribution)