Where: Japan (32.3° N, 130.3° E)
• Paleocoordinates: 36.3° N, 140.9° E (Wright 2013)
• coordinate estimated from map
When: Hokahira Member (Enokuchi Formation), Late/Upper Albian (105.3 - 99.6 Ma)
• bed-level stratigraphic resolution
Environment/lithology: shoreface; lithified sandstone and lithified, bioturbated siltstone
•fine- to fine-grained hummocky cross-stratified sand-
•stone and bioturbated siltstone. The sandstone fines
•southwestward, and changes to bioturbated sandy
•siltstone, which contains calcareous
•nodules.
Size class: macrofossils
Preservation: concretion
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 122279: authorized by Martin Aberhan, entered by Daniel Wellmanns on 20.12.2011
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
Arca tashiroi ark | |
Cucullaea amaxensis clam | |
Rastellum sp. Faujas-St.-Fond 1799 oyster | |
"Pterotrigonia pustulosa" = Pterotrigonia (Scabrotrigonia) pustulosa
"Pterotrigonia pustulosa" = Pterotrigonia (Scabrotrigonia) pustulosa Nagao 1930 clam | |
Anthonya amakusensis clam | |
Goshoraia crenulata venus clam | |
Pholadomya japonica clam | |
Cercomya sp. Agassiz 1843 clam
Periplomya japonica clam |