Where: Miyagi, Japan (38.7° N, 141.4° E: paleocoordinates 47.1° N, 147.1° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Aratozaki Formation (Hashiura Group), Bajocian (170.3 - 168.3 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 40543: authorized by Martin Aberhan, entered by Sabine Nürnberg on 25.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Kobayashites hemicylindricus Hayami and Muster 1995 oyster | |
"Oxytoma (Oxytoma) inequivalvis" = Oxytoma inequivalvis
"Oxytoma (Oxytoma) inequivalvis" = Oxytoma inequivalvis Sowerby 1819 scallop | |
Camptonectes (Camptonectes) cf. auritus Schlotheim 1813 scallop | |
Entolium cf. disciforme Schubler 1833 scallop | |
Inoceramus (Mytiloides) morii Hayami 1959 clam | |
Trigonia sumiyagura clam |