Where: Yamaguchi, Japan (34.2° N, 131.2° E: paleocoordinates 43.1° N, 114.8° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Hirabara Formation (Mine Group), Carnian (237.0 - 228.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: estuary or bay; sandstone and conglomerate
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 39205: authorized by Martin Aberhan, entered by Sabine Nürnberg on 23.05.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Cardinia triadica clam | |
Homomya matsuoensis clam | |
Minepharus triadicus Tokuyama 1958 clam | |
Falcimytilus hirabarensis mussel
Modiolus okubatensis mussel | |
Parallelodon (Palaeocucullaea) monobensis Nakazawa 1955 clam | |
Halobia kashiwaiensis oyster
Halobia kawadai Yehara 1927 oyster | |
? Pteria mugikawensis pearl oyster | |
Liostrea shiraiwensis oyster | |
Oxytoma (Oxytoma) mojsisovicsi Teller 1886 scallop
Oxytoma (Oxytoma) kashiwaiensis scallop | |
Mysidioptera ominensis file clam | |
Pleuronectites hirabarensis Hayami 1975 scallop |