Where: Japan (32.3° N, 130.3° E: paleocoordinates 44.6° N, 123.8° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Karakizaki Member (Enokuchi Formation), Cenomanian (100.5 - 93.9 Ma)
• bed-level stratigraphic resolution
Environment/lithology: coastal; lithified, bioturbated, muddy sandstone and lithified, sandy mudstone
•of brackish-water bivalves, and is found in intensely
•bioturbated muddy sandstone and sandy mudstone of
•tidal flat deposits.
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 123167: 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
Brachidontes mashikensis mussel | |
Isognomon sp. Lightfoot 1786 oyster | |
Crassostrea kawauchidensis Tamura 1977 oyster | |
Anomia foldia jingle
Placunopsis sp. Morris and Lycett 1853 scallop | |
Pterotrigonia sp. van Hoepen 1929 clam | |
Trigonioides sp. Kobayashi and Suzuki 1936 clam | |
Leptosolen sp. Conrad 1865 clam | |
Pharella sp. clam | |
Tetoria matsumotoi clam | |
Nemocardium kyushuensis cockle | |