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: shoreface; lithified sandstone and lithified, black, gray mudstone
•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
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 123130: authorized by Martin Aberhan, entered by Daniel Wellmanns on 12.01.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Bivalvia | |
|
Lycettia sp. Cox 1937 mussel | |
|
Pterotrigonia ogawai clam | |
|
Pachythaerus nagaoi clam
Anthonya japonica clam | |
|
Goshoraia crenulata venus clam | |