Where: Kochi, Japan (33.5° N, 133.3° E: paleocoordinates 40.5° N, 136.1° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Torinosu Group, Oxfordian to Oxfordian (163.5 - 145.0 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 40473: authorized by Martin Aberhan, entered by Sabine Nürnberg on 24.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Arcomytilus laitmairensis de Loriol 1883 mussel | |
Liostrea cf. stoliczkai oyster
Nanogyra kumensis oyster | |
"Lopha (Actinostreon) gregarea" = Actinostreon gregareum, "Lopha (Actinostreon) cf. marshii" = Actinostreon marshi
"Lopha (Actinostreon) gregarea" = Actinostreon gregareum Sowerby 1816 oyster
"Lopha (Actinostreon) cf. marshii" = Actinostreon marshi Sowerby 1814 oyster | |
? Camptonectes torinosuensis, ? Camptonectes mimikirensis, Eopecten punctus, Radulopecten nagatakensis, Radulopecten ogawensis, ? Aequipecten vulgaris, ? Aequipecten kotsubu, Chlamys iboibo
? Camptonectes torinosuensis scallop
? Camptonectes mimikirensis Kurata and Kimura 1951 scallop
Eopecten punctus scallop
Radulopecten nagatakensis scallop
Radulopecten ogawensis scallop
? Aequipecten vulgaris scallop
? Aequipecten kotsubu scallop
Chlamys iboibo scallop | |
Plicatula yatsujiensis scallop | |
Ctenoides tosanus file clam
Plagiostoma enormicosta file clam | |
Parvamussium habunokawense mud scallop | |
Entolium japonicum scallop
Entolium yatsujiense scallop
Entolium kimurai scallop
Somapecten kamimanensis scallop | |
"? Corbula globosa" = Varicorbula globosa
"? Corbula globosa" = Varicorbula globosa Sowerby 1818 clam | |
| |
Nuculana (Praesaccella) erinoensis, Nuculana (Praesaccella) yatsushiroensis, Nuculana (Dacryomya) stenodolichos, Nuculana (Dacryomya) minutula
Nuculana (Praesaccella) erinoensis pointed nut clam
Nuculana (Praesaccella) yatsushiroensis pointed nut clam
Nuculana (Dacryomya) stenodolichos pointed nut clam
Nuculana (Dacryomya) minutula pointed nut clam | |
Solemya kobayashii Awning Clam |