Oshima Area, Kogoshio Formation, Honshu (Jurassic of Japan)

Where: Miyagi, Japan (39.0° N, 141.5° E: paleocoordinates 46.7° N, 144.2° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Kogoshio Formation (Karakuwa Group), Tithonian (152.1 - 145.0 Ma)

• listed as Shishiori Group (Kogoshio Formation)

• formation-level stratigraphic resolution

Environment/lithology: marine; coarse-grained sandstone and shale

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: I. Hayami. 1975. A systematic survey of the Mesozoic Bivalvia from Japan. The University Museum, The University of Tokyo, Bulletin (10) [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40327: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 22.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Parallelodontidae
 Pectinida - Entoliidae
 Trigoniida - Myophorelloidae