Where: Russian Federation (53.4° N, 143.1° E: paleocoordinates 53.8° N, 141.7° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Ekhabinskaya Formation (Okobykay Group), Late/Upper Miocene (11.6 - 5.3 Ma)
• STRATIGRAPHIC RELATIONS: From Ekhabinskaya suite of the "Okobykay" horizon, which lies between the "Dagi" (Early-Middle Miocene) and "Nutov" (Late Miocene) horizons. THICKNESS: Total thickness of unit is uknown. AGE: Late MIocene, on the basis of classification into the "Okobykay" horizon. STRATIGRAPHIC POSITION: Composite checklist for "formation" in this area.
• member-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified claystone and poorly lithified, sandy siltstone
Size class: macrofossils
Collection methods: COLLECTOR: Unknown, presumably Khomenko (c. 1931). 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 70462: authorized by Austin Hendy, entered by Austin Hendy on 23.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Acila (Truncacila) cf. nakazimai divaricate nutclam | |
Macoma scalaroides tellin clam
Macoma truncatoides tellin clam
"Macoma cf. calcarea" = Macoma (Macoma) calcarea Gmelin 1792 tellin clam | |
Siliqua alta Broderip and Sowerby I 1829 clam |