Where: Russian Federation (51.8° N, 143.2° E: paleocoordinates 53.1° N, 140.6° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Daekhuriinskaya Formation (Daekhuriin Group), Late/Upper Oligocene (28.4 - 23.0 Ma)

• STRATIGRAPHIC RELATIONS: From Daekhuriinskaya suite of the "Daekhuriin" horizon, which lies between the "Machigar" (Early Oligocene) and "Uynin" (Early Miocene) horizons. THICKNESS: Total thickness of unit is 750 m. AGE: Late Oligocene, on the basis of classification into the "Daekhuriin" horizon. STRATIGRAPHIC POSITION: Composite checklist for formation in this area.

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, sandy, cherty/siliceous siltstone

Size class: macrofossils

Collection methods: COLLECTOR: Unknown, presumably Smekhov (c. 1953). 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 70459: authorized by Austin Hendy, entered by Austin Hendy on 23.03.2007

Creative Commons license: CC BY (attribution)