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
•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 123169: authorized by Martin Aberhan, entered by Daniel Wellmanns on 13.01.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Septifer mifunensis Tamura 1976 mussel | |
Crassostrea kawauchidensis Tamura 1977 oyster | |
Isognomon sp. Lightfoot 1786 oyster | |
Anomia foldia jingle | |
Matsumotoa japonica clam | |
Integricardium seikaianum cockle
Nemocardium kyushuensis cockle | |
Goshoraia sp. Tamura 1977 venus clam | |
Tetoria inflata clam | |