Where: Nagano, Japan (36.5° N, 138.0° E: paleocoordinates 47.9° N, 148.2° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Kuruma Group, Hettangian to Hettangian (201.3 - 174.1 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 40330: authorized by Martin Aberhan, entered by Sabine Nürnberg on 22.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Chlamys kurumensis scallop |