Where: Tokyo, Japan (35.7° N, 139.2° E: paleocoordinates 43.8° N, 124.1° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Kochigatani Group, Carnian (237.0 - 228.0 Ma)

• lower part of Kochigatani Group

• formation-level stratigraphic resolution

Environment/lithology: marine; 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 39651: authorized by Martin Aberhan, entered by Sabine Nürnberg on 02.06.2004

Creative Commons license: CC BY (attribution)