Where: Miyagi, Japan (38.9° N, 141.6° E)
• Paleocoordinates: 51.6° N, 158.3° E (Wright 2013)
• coordinate estimated from map
• local area-level geographic resolution
When: Tsunakizaka Formation (Karakuwa Group), Bajocian (170.9 - 168.2 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; sandy shale 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 40035: authorized by Martin Aberhan, entered by Sabine Nürnberg on 16.06.2004
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
Inoceramus (Mytiloceramus) karakuwensis, "Inoceramus (Retroceramus) cf. lucifer" = Mytiloceramus lucifer
"Inoceramus (Retroceramus) cf. lucifer" = Mytiloceramus lucifer Eichwald 1871 clam |