Awaji Island, Izumi Group, Honshu (Cretaceous of Japan)

Where: Hyogo, Japan (34.5° N, 135.0° E: paleocoordinates 42.5° N, 123.6° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Shimonada Siltstone and Sandstone & Kitaama Sandstone and Shale Formation (Izumi Group), Maastrichtian (72.1 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; siltstone and shale

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 39576: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 31.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Arcida - Parallelodontidae
 Arcida - Limopsidae
Limopsis shimonadensis clam
possibly conspecific with Limopsis kogata
 Myalinida - Inoceramidae
 Mytilida - Mytilidae
 Carditida - Astartidae
Eriphyla (Eriphyla) elegans clam
possibly conspecific with E. (E.) japonica
 Cardiida - Veneridae
 Solenida - Pharidae
 Pandorida - Laternulidae
 Trigoniida - Trigoniidae
 Nuculida - Nuculidae
 Nuculida -
Cnestriella cuneistriata clam
listed as Portlandia cuneistriata