Marine Bivalvia of Unel'skaya Suite in northwestern Kamchatka (Paleocene of Russian Federation)

Where: Russian Federation (62.5° N, 165.0° E: paleocoordinates 72.7° N, 160.8° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Unel'skaya Formation, Paleocene (66.0 - 56.0 Ma)

• Enters into the Yuzhnoilpin Horizon in western Kamchatka.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone and lithified sandstone

• Siltstones, sandstones, interbeds of fine pebble conglomerates. Thickness 1400m.

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 50177: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 09.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Carditida - Crassatellidae
 Carditida - Carditidae
"Venericardia mandaica" = Venericardia (Venericardia) mandaica
"Venericardia mandaica" = Venericardia (Venericardia) mandaica Yokoyama 1911 clam
 Cardiida - Veneridae
Pitar (? Katherinella) cf. arnoldi Weaver 1916 venus clam
 Cardiida - Tellinidae
Macoma tigilensis Kristofovich 1947 tellin clam
 Cardiida - Cardiidae
 Solenida - Solenidae
 Thraciida - Thraciidae
 Mytilida - Mytilidae
Modiolus cf. restorationensis Van Winkle 1918 mussel
 Nuculanida - Nuculanidae
Spineilo (Multidentata) polunini, "Nuculana (Saccella) pergamenti" = Saccella
"Nuculana (Saccella) pergamenti" = Saccella pointed nut clam
 Nuculida - Nuculidae