Where: Russian Federation (49.1° N, 143.0° E: paleocoordinates 50.9° N, 140.1° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Gastellovskaya Formation (Arakay Group), Early/Lower Oligocene (33.9 - 28.4 Ma)

• STRATIGRAPHIC RELATIONS: From lower and middle Ekhabinskaya suite, which corresponds to the Arakay "horizons". THICKNESS: Total thickness of unit is 400 m. AGE: Early Oligocene, on the basis of classification into the "Arakay" horizon. STRATIGRAPHIC POSITION: Composite checklist for "formation" in this area.

• member-level stratigraphic resolution

Environment/lithology: coastal; lithified, conglomeratic sandstone and lithified, conglomeratic siltstone

Size class: macrofossils

Collection methods: COLLECTOR: Unknown, presumably Kozyrev et al. (c. 1960). 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 70463: authorized by Austin Hendy, entered by Austin Hendy on 23.03.2007

Creative Commons license: CC BY (attribution)