Where: Fukui, Japan (35.5° N, 135.3° E: paleocoordinates 35.0° N, 111.8° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Shidaka Group, Induan to Induan (252.2 - 247.2 Ma)

• Skytian, but some authors regarded the formations as Upper Triassic.

• 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 40118: authorized by Martin Aberhan, entered by Sabine Nürnberg on 18.06.2004

Creative Commons license: CC BY (attribution)