Where: Kumamoto, Japan (32.7° N, 130.8° E: paleocoordinates 45.1° N, 124.2° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Mifune Group, Cenomanian (100.5 - 93.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; conglomerate and sandstone

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 40171: authorized by Martin Aberhan, entered by Sabine Nürnberg on 19.06.2004

Creative Commons license: CC BY (attribution)