Bibai Area, Mikasa Sandstone, Hokkaido (Cretaceous to of Japan)

Where: Japan (43.3° N, 141.9° E: paleocoordinates 52.1° N, 135.2° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Mikasa Sandstone Formation (Middle Yezo Group), Cenomanian to Cenomanian (100.5 - 89.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: foreshore; fine-grained sandstone and mudstone

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 40607: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 26.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cardiida - Veneridae