Where: Kumamoto, Japan (32.6° N, 130.7° E: paleocoordinates 43.4° N, 122.8° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Mifune Group, Early/Lower Turonian (93.5 - 89.3 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; tuff 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 40208: authorized by Martin Aberhan, entered by Sabine Nürnberg on 20.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Pterotrigonia (Acanthotrigonia) mifunensis, Pterotrigonia (Acanthotrigonia) higoensis, Pterotrigonia (Acanthotrigonia) mashikensis
Pterotrigonia (Acanthotrigonia) mifunensis Tamura and Tashiro 1967 clam possibly conspecific with P. (A.) mashikensis
Pterotrigonia (Acanthotrigonia) higoensis Tamura and Tashiro 1967 clam
Pterotrigonia (Acanthotrigonia) mashikensis Tamura and Tashiro 1967 clam |