Where: Hyogo, Japan (34.5° N, 135.0° E: paleocoordinates 43.2° N, 124.1° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Minato, Azenotani, Kitaama & Shichi Shale, Shimonada Siltsone, Yoroizaki Sandstone Formation (Izumi Group), Campanian (83.6 - 72.1 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; 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 39575: authorized by Martin Aberhan, entered by Sabine Nürnberg on 31.05.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Periplomya grandis clam | |
Izumia trapezoidalis clam
Tenea japonica clam | |
Leptosolen japonica clam | |
Izumicardia parva clam | |
| |
Limopsis kogata clam | |
| |
Propeamussium awajense mud scallop | |
Micronectes bellaturus scallop | |
Brachidontes nankoi mussel | |
Jupiteria (Ezonuculana) mactraeformis Nagao 1932 pointed nut clam | |
Portlandia izumensis clam | |
Acila (Truncacila) hokkaidoensis, Nucula izumensis, "Nucula (Leionucula) azenotanensis" = Leionucula, "Nucula (Leionucula) shichiensis" = Leionucula
Acila (Truncacila) hokkaidoensis Nagao 1932 divaricate nutclam
Nucula izumensis nut clam
"Nucula (Leionucula) azenotanensis" = Leionucula nut clam
"Nucula (Leionucula) shichiensis" = Leionucula nut clam |