Goshoura Island (Loc.2808) (Cretaceous of Japan)

Where: Japan (32.3° N, 130.3° E: paleocoordinates 44.6° N, 127.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Hokahira Member (Enokuchi Formation), Albian (113.0 - 100.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; lithified, bioturbated sandstone

• 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 123165: 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
 Pholadida - Corbulidae
Pulsidis higoensis, Pulsidis okadai, Nipponicorbula mifunensis
 Cardiida - Corbiculidae
Tetoria shishijimensis, Tetoria matsumotoi
 Cardiida - Neomiodontidae
Costocyrena mifunensis, Pseudasaphis japonica, Eomiodon matsubasensis
 Cardiida - Tellinidae
"Linearia cancerata" = Linearis, "Linearia ovaloida" = Linearis
"Linearia cancerata" = Linearis tellin clam
"Linearia ovaloida" = Linearis tellin clam
 Cardiida - Cardiidae
Nemocardium kyushuensis
 Solenida - Solenidae
Pharella sp.
 Solenida - Pharidae
Leptosolen sp.
Leptosolen sp. Conrad 1865 clam
 Trigoniida - Megatrigonioidae
Pterotrigonia sp., Pterotrigonia ogawai, Pterotrigonia dilapsa
Pterotrigonia sp. van Hoepen 1929 clam
 Trigoniida - Trigonioididae
Trigonioides sp.
Trigonioides sp. Kobayashi and Suzuki 1936 clam
 Mytilida - Mytilidae
Septifer mifunensis, Brachidontes mashikensis
Septifer mifunensis Tamura 1976 mussel
 Ostreida - Malleidae
Isognomon sp.
Isognomon sp. Lightfoot 1786 oyster
 Ostreida - Ostreidae
Crassostrea kawauchidensis
Crassostrea kawauchidensis Tamura 1977 oyster
 Pectinida - Anomiidae
Anomia foldia, Placunopsis sp.
Placunopsis sp. Morris and Lycett 1853 scallop
 Arcida - Arcidae
Matsumotoa unisulcata