Where: Miyagi, Japan (39.0° N, 141.8° E: paleocoordinates 47.6° N, 147.8° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Aratozaki Formation (Hashiura Group), Early/Lower Bajocian (171.6 - 168.4 Ma)
• 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 39978: authorized by Martin Aberhan, entered by Sabine Nürnberg on 13.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |