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 | |
Plicatula yatsujiensis scallop | |
Ctenoides tosanus file clam
Plagiostoma enormicosta file clam | |
Somapecten kamimanensis scallop
Entolium japonicum scallop
Entolium yatsujiense scallop
Entolium kimurai scallop | |
Parvamussium habunokawense mud scallop | |
Chlamys iboibo, ? Camptonectes torinosuensis, ? Camptonectes mimikirensis, Eopecten punctus, ? Aequipecten vulgaris, ? Aequipecten kotsubu, Radulopecten nagatakensis, Radulopecten ogawensis
Chlamys iboibo scallop
? Camptonectes torinosuensis scallop
? Camptonectes mimikirensis Kurata and Kimura 1951 scallop
Eopecten punctus scallop
? Aequipecten vulgaris scallop
? Aequipecten kotsubu scallop
Radulopecten nagatakensis scallop
Radulopecten ogawensis scallop | |
"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 | |
Nanogyra kumensis oyster
Liostrea cf. stoliczkai oyster | |
Arcomytilus laitmairensis de Loriol 1883 mussel | |
"? Corbula globosa" = Varicorbula globosa
"? Corbula globosa" = Varicorbula globosa Sowerby 1818 clam | |
| |
Solemya kobayashii Awning 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 |