Where: Russian Federation (62.3° N, 175.2° E: paleocoordinates 66.1° N, 178.6° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Ol'khovskaya Formation, Bartonian to Bartonian (41.3 - 33.9 Ma)
• Regularly overlapped by the Mallenskaya Suite. Corresponds to the Gailkhavilan Horizon in Koryak Upland and northeastern Kamchatka.
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified siltstone and lithified claystone
Size class: macrofossils
Primary reference: A. I. Kafanov and K. Ogasawara. 2004. Neogene and Paleogene Molluscan (Bivalvia) Cenozones of the Russian Northeast. Science Reports of the Institute of Geoscience, University of Tsukuba, Section B 25:9-45 [W. Kiessling/S. Nurnberg/S. Nurnberg]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 50139: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 09.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Nuculana (Saccella) cowlitzensis Weaver and Palmer 1922 pointed nut clam | |
Malletia poronaica clam |