Where: Russian Federation (50.8° N, 142.1° E: paleocoordinates 52.1° N, 139.6° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Nevel'skaya Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)
• STRATIGRAPHIC RELATIONS: From Nevel'skaya suite of the "Nevelisk" horizon, which lies between the "Kholmsk" (Late Oligocene) and "Uglegor" (Middle Miocene) horizons. THICKNESS: Total thickness of upper unit is 900 m. AGE: Late Oligocene, on the basis of classification into the lower part of the "Nevelisk" horizon. STRATIGRAPHIC POSITION: Composite checklist for this part of the formation in this area.
• formation-level stratigraphic resolution
Environment/lithology: deep-water; lithified tuff and sandstone
Size class: macrofossils
Collection methods: COLLECTOR: Unknown, presumably Uwatoko (c. 1937). 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 70528: authorized by Austin Hendy, entered by Austin Hendy on 27.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Yoldia (Nampiella) cf. laudabilis Yokoyama 1924 clam | |
Acila (Truncacila) galinae Slodkewitsch 1967 divaricate nutclam | |
Mytilus (Mytilus) miocenum mussel
Mytilus (Tumidimytilus) tichanovitchi Makiyama 1934 mussel | |
Macoma sejugata tellin clam
Macoma osakaensis Krishtofovich 1957 tellin clam | |
Nuttallia minoensis clam | |
"Felaniella sertunayensis" = Diplodonta
"Felaniella sertunayensis" = Diplodonta clam | |
"Calyptogena chitanii" = Vesicomya (Calyptogena)
"Calyptogena chitanii" = Vesicomya (Calyptogena) clam | |
Liocyma nairoensis venus clam | |
Mya cf. majanatschensis Ilyina 1963 softshell clam | |
Cardiomya bisecta clam | |
Conchocele bisecta Conrad 1849 clam | |
Lucinoma otukai clam
Lucinoma acutilineata Conrad 1849 clam | |