Where: Kagawa, Japan (34.2° N, 134.4° E: paleocoordinates 42.7° N, 123.6° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Tsubasayama Sandstone Formation (Izumi Group), Campanian (83.6 - 72.1 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; sandstone and shale
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 40255: authorized by Martin Aberhan, entered by Sabine Nürnberg on 20.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Trigonocallista ornata venus clam |