Where: Tokushima, Japan (33.8° N, 134.3° E: paleocoordinates 42.4° N, 118.3° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Kochigatani Group, Carnian (237.0 - 228.0 Ma)
• Lower part of Kochigatani Group
• formation-level stratigraphic resolution
Environment/lithology: marine; 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 40478: authorized by Martin Aberhan, entered by Sabine Nürnberg on 24.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Cardinia misawensis clam | |
? Astarte iwayai Ichikawa 1954 clam | |
Oxytoma (Oxytoma) kashiwaiensis scallop | |
Otapiria dubia Ichikawa 1954 scallop | |
Pseudolimea naumanni Kobayashi and Ichikawa 1951 file clam | |
Chlamys mojsisovicsi Kobayashi and Ichikawa 1949 scallop | |
Halobia obsoleta oyster
Halobia kawadai Yehara 1927 oyster | |
Falcimytilus nasai Kobayashi and Ichikawa 1950 mussel | |
Trigonucula sakawana, "Nuculopsis (Palaeonucula) aff. expansa" = Palaeonucula
Trigonucula sakawana Ichikawa 1949 nut clam
"Nuculopsis (Palaeonucula) aff. expansa" = Palaeonucula nut clam |