Sakawa Area, Torinosu Group, Shikoku (Jurassic to of Japan)

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 N├╝rnberg on 24.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Parallelodontidae
 Pectinida - Propeamussiidae
 Pectinida - Entoliidae
 Pectinida - Pectinoidae
 Pectinida - Limidae
 Pectinida - Plicatulidae
 Ostreida - Gryphaeidae
 Ostreida - Ostreidae
 Ostreida - Palaeolophidae
"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
 Ostreida - Bakevelliidae
 Mytilida - Mytilidae
Arcomytilus laitmairensis de Loriol 1883 mussel
 Carditida - Astartidae
 Pholadida - Corbulidae
"? Corbula globosa" = Varicorbula globosa
"? Corbula globosa" = Varicorbula globosa Sowerby 1818 clam
 Cardiida - Cardiidae
 Pandorida - Laternulidae
 Lucinida - Lucinidae
 Trigoniida - Myophorelloidae
 Trigoniida - Trigoniidae
 Protobranchia - Solemyidae
Solemya kobayashii Awning Clam
 Protobranchia - Nuculanidae