Where: Russian Federation (49.8° N, 142.8° E: paleocoordinates 50.1° N, 141.6° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Uranayskaya Formation, Late/Upper Miocene (11.6 - 5.3 Ma)
• STRATIGRAPHIC RELATIONS: From the Uranayskaya suite of the lower "Okobykay" horizon, which lies below the "lower Nutov" (Late Miocene) and above the "Dagi" (Middle Miocene) horizons. THICKNESS: Total thickness of unit is 600 m. AGE: Late Miocene, on the basis of classification into the "Okobykay" horizon. STRATIGRAPHIC POSITION: Composite checklist for the "formation" in this area.
• formation-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; poorly lithified, concretionary, diatomaceous, silty, cherty/siliceous claystone and poorly lithified, concretionary, diatomaceous, argillaceous, silty, cherty/siliceous sandstone
Size class: macrofossils
Collection methods: COLLECTOR: Unknown, presumably Pleshakov (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 70566: authorized by Austin Hendy, entered by Austin Hendy on 28.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Yoldia (Cnesterium) anastasia, Yoldia (Cnesterium) cf. notabilis, "Megayoldia (Portlandella) nitida" = Yoldia nitida, Yoldia (Yoldia) chojensis
Yoldia (Cnesterium) cf. notabilis Yokoyama 1922 clam
"Megayoldia (Portlandella) nitida" = Yoldia nitida Brocchi 1814 clam | |
"Nuculana (Nuculana) pernula" = Nuculana pernula
"Nuculana (Nuculana) pernula" = Nuculana pernula Müller 1779 pointed nut clam | |
Liocyma fluctuosa Gould 1841 venus clam | |
Mactromeris cf. polynyma Stimpson 1860 clam | |
Serripes shiobaraensis, "Serripes groenlandicus" = Serripes (Serripes) groenlandicus, Laevicardium taracaicum
Serripes shiobaraensis cockle
"Serripes groenlandicus" = Serripes (Serripes) groenlandicus Mohr 1786 cockle
Laevicardium taracaicum cockle | |
Mya (Mya) cuneiformis Bohm 1915 softshell clam | |
Panopea peshakovi clam | |
Conchocele bisecta Conrad 1849 clam |