Where: Yamaguchi, Japan (34.0° N, 130.9° E: paleocoordinates 41.3° N, 132.7° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Yoshimo Formation (Toyonishi Group), Neocomian (145.0 - 125.8 Ma)
• Lower Neocomian, Yoshimo Shell Beds
• formation-level stratigraphic resolution
Environment/lithology: deltaic; 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 40511: authorized by Martin Aberhan, entered by Sabine Nürnberg on 24.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Crassostrea yoshimoensis oyster
Crassostrea ryosekiensis oyster | |
Pulsidis nagatoensis clam
? Corbula imamurae clam |