Where: Wakayama, Japan (34.0° N, 135.2° E)
• Paleocoordinates: 48.3° N, 141.2° E (Wright 2013)
• coordinate estimated from map
• local area-level geographic resolution
When: Arita Formation, Neocomian (145.0 - 125.8 Ma)
• Upper Neocomian
• formation-level stratigraphic resolution
Environment/lithology: marine
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 40659: authorized by Martin Aberhan, entered by Sabine Nürnberg on 26.06.2004
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
Nuculana sanchuensis pointed nut clam | |
Pterinella shinoharai pearl oyster | |
Parvamussium kimurai mud scallop | |
Plicatula kiiensis scallop | |
| |
Modiolus falcatus mussel
Modiolus aff. subsimplex d'Orbigny 1850 mussel | |
Ptychomya densicostata Nagao 1934 clam | |
Panopea (Myopsis) nagaoi Hayami 1966 clam | |
Nipponitrigonia kikuchiana Yokoyama 1891 clam |