Shizukawa Area, Aratozaki Formation, Honshu (Jurassic of Japan)

Where: Miyagi, Japan (38.7° N, 141.4° E: paleocoordinates 47.1° N, 147.1° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Aratozaki Formation (Hashiura Group), Bajocian (170.3 - 168.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; conglomerate 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 40543: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 25.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Cucullaeidae
 Myalinida - Inoceramidae
 Pectinida - Entoliidae
Entolium cf. disciforme Schubler 1833 scallop
 Pectinida - Pectinoidae
 Pectinida - Oxytomidae
"Oxytoma (Oxytoma) inequivalvis" = Oxytoma inequivalvis
"Oxytoma (Oxytoma) inequivalvis" = Oxytoma inequivalvis Sowerby 1819 scallop
 Ostreida - Bakevelliidae
 Cardiida - Arcticidae
 Cardiida - Cardiidae
 Lucinida - Lucinidae
 Trigoniida - Myophorelloidae
 Trigoniida - Trigoniidae