Onogawa Area, Tsuru Formation, Kyushu (Cretaceous to of Japan)

Where: Oita, Japan (33.1° N, 131.3° E: paleocoordinates 42.9° N, 122.5° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Tsuru Formation (Onogawa Group), Coniacian to Coniacian (89.8 - 83.6 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 40323: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 22.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Inoceramidae