Where: Kochi, Japan (33.5° N, 133.7° E: paleocoordinates 44.6° N, 134.9° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Hagino Formation (Monobegawa Group), Aptian (125.0 - 113.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; conglomerate 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 40222: authorized by Martin Aberhan, entered by Sabine Nürnberg on 20.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Modiolus falcatus mussel | |
"Arca (Eonavicula) prolata" = Eonavicula
"Arca (Eonavicula) prolata" = Eonavicula clam | |
Pinna (Pinna) cf. robinaldina d'Orbigny 1844 oyster | |
Chlamys shikokuensis scallop | |
Neithea sp. Drouet 1824 scallop
Neithea (Neithea) syriaca Conrad 1852 scallop | |
? Laevicardium corpulentum cockle | |
Scittila japonica clam | |
Panopea (Myopsis) plicata Sowerby 1829 clam | |
Xenocardita amanoi clam |