Where: Russian Federation (54.2° N, 142.6° E: paleocoordinates 54.5° N, 141.2° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Vengeriyskaya Formation, Late/Upper Miocene (11.6 - 5.3 Ma)
• STRATIGRAPHIC RELATIONS: From the Vengeriyskaya suite of the "lower Nutov" horizon, which lies above the "Okobykay" (Late Miocene) and below the " upper Nutov" (Early Pliocene) horizons. THICKNESS: Total thickness of unit is 700 m. AGE: Late Miocene, on the basis of classification into the "Lower Nutov" horizon. STRATIGRAPHIC POSITION: Composite checklist for the "formation" in this area.
• formation-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, sandy claystone and poorly lithified, sandy siltstone
Size class: macrofossils
Collection methods: COLLECTOR: Unknown, presumably Lautenschläger or Slodkewitsch (c. 1938). 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 70567: authorized by Austin Hendy, entered by Austin Hendy on 28.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Spisula (Pseudocardium) cf. sachalinensis" = Pseudocardium
"Spisula (Pseudocardium) cf. sachalinensis" = Pseudocardium clam | |
"Macoma cf. calcarea" = Macoma (Macoma) calcarea, "Macoma cf. golikovi" = Macoma (Macoma) golikovi
"Macoma cf. calcarea" = Macoma (Macoma) calcarea Gmelin 1792 tellin clam
"Macoma cf. golikovi" = Macoma (Macoma) golikovi Scarlato and Kafanov 1988 tellin clam | |
Ciliatocardium yamasakii cockle | |
Mya (Arenomya) grewingki Makiyama 1934 softshell clam | |
Panomya intermedia clam | |
Lucinoma acutilineata Conrad 1849 clam | |
Conchocele bisecta Conrad 1849 clam | |
? Fortipecten mironovi scallop | |
Crenomytilus cf. expansus Arnold 1907 mussel
Crenomytilus cf. grayanus Dunker 1853 mussel | |
Nuculana sachalinensis pointed nut clam
Nuculana (Nuculana) majamraphensis pointed nut clam
Nuculana (Nuculana) tumiensis pointed nut clam | |
Megayoldia (Megayoldia) cf. thraciaeformis, Megayoldia (Hataiyoldia) tokunagai, Megayoldia (Portlandella) toyamaensis
Megayoldia (Megayoldia) cf. thraciaeformis Storer 1838 clam | |
Malletia kurasiensis clam | |
"Megayoldia (Portlandella) cf. nitida" = Yoldia nitida, Yoldia (Yoldia) vengeriana
"Megayoldia (Portlandella) cf. nitida" = Yoldia nitida Brocchi 1814 clam
Yoldia (Yoldia) vengeriana Kristofovich 1959 clam | |
Acila (Acila) vengeriana divaricate nutclam
Acila (Acila) divaricata Hinds 1843 divaricate nutclam | |
Acharax johnsoni Dall 1891 Awning Clam |