Where: Russian Federation (49.1° N, 142.9° E: paleocoordinates 49.7° N, 141.1° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Verkhneduyskaya Formation, Middle Miocene (16.0 - 11.6 Ma)

• STRATIGRAPHIC RELATIONS: From Verkhneduyskaya suite of the upper part of the "Uglegor" horizon, which lies between the "Kurasi" (Late Miocene) and "Nevelisk" (Early Miocene) horizons. THICKNESS: Total thickness of unit is 1500 m. AGE: Middle Miocene, on the basis of classification into the "Uglegor" horizon. STRATIGRAPHIC POSITION: Composite checklist for formation in this area.

• formation-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; poorly lithified, sandy, conglomeratic siltstone and poorly lithified, argillaceous mudstone

Size class: macrofossils

Collection methods: COLLECTOR: Unknown, presumably Kryshtofovich 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 70568: authorized by Austin Hendy, entered by Austin Hendy on 28.03.2007

Creative Commons license: CC BY (attribution)