Shimo-koshiki Island, Himenoura Group, Kyushu (Cretaceous of Japan)

Where: Kagoshima, Japan (31.7° N, 129.7° E: paleocoordinates 39.8° N, 121.7° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Himenoura Group, Coniacian (89.8 - 86.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

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 40506: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 24.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Parallelodontidae
Grammatodon (Nanonavis) sachalinensis clam
subsp. sachalinensis