Goshoura Island (Loc.3105) (Cretaceous of Japan)

Where: Japan (32.3° N, 130.3° E: paleocoordinates 44.6° N, 123.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gannohana Member (Enokuchi Formation), Cenomanian (100.5 - 93.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; lithified, bioturbated sandstone and lithified mudstone

• The upper part consists of the alternated beds

•of sandstone and dark gray to black mudstone. The

•mudstone color gradually changes from dark gray

•through red and light green to dark gray mudstones

•toward the top of this member.

Size class: macrofossils

Preservation: shellbed

Primary reference: T. Komatsu and H. Maeda. 2005. Stratigraphy and fossil bivalve assemblages of the mid-Cretaceous Goshoura Group, southwest Japan. Paleontological Research 9(2):119-142 [M. Aberhan/D. Wellmanns]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 123171: authorized by Martin Aberhan, entered by Daniel Wellmanns on 13.01.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Arcida - Arcidae
Matsumotoa japonica, Matsumotoa unisulcata
 Pectinida - Anomiidae
Anomia foldia
 Ostreida - Ostreidae
Crassostrea kawauchidensis
Crassostrea kawauchidensis Tamura 1977 oyster
 Ostreida - Malleidae
Isognomon sp.
Isognomon sp. Lightfoot 1786 oyster
 Mytilida - Mytilidae
Septifer mifunensis
Septifer mifunensis Tamura 1976 mussel
 Trigoniida - Megatrigonioidae
Pterotrigonia yeharai, Pterotrigonia amakusensis
 Cardiida - Corbiculidae
Tetoria inflata, Tetoria shishijimensis
 Cardiida - Veneridae
Goshoraia sp.
Goshoraia sp. Tamura 1977 venus clam
 Cardiida - Cardiidae
Integricardium seikaianum, Nemocardium kyushuensis