Where: Japan (45.3° N, 141.0° E: paleocoordinates 46.1° N, 139.1° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Meshikuni Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
• STRATIGRAPHIC RELATIONS: From Meshikuni Fm, which unconformably overlies the Cretaceous Rebun Gp and is unconformably overlain by the Hamanaka Fm (?Middle Miocene). THICKNESS: Formation reaches thicknesses of ~250 m (composite section). AGE: Early Miocene on the basis of molluscan biostratigraphy. STRATIGRAPHIC POSITION: From unknown part of Meshikuni Fm.
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified sandstone and poorly lithified sandstone
Size class: macrofossils
Collection methods: surface (in situ),
• COLLECTOR: Y. Noda. REPOSITORY: Institute of Geology and Paleontology, Faculty of Science, Tohoku University, Sendai, Japan.
Primary reference: Y. A. Noda and K. Hoyanagi. 1993. Molluscan fauna from the Miocene Meshikuni Formation on Rebun Island, Northern Hokkaido. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 172:311-327 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 70356: authorized by Austin Hendy, entered by Austin Hendy on 21.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Turritella sp. Lamarck 1799 turret shell | |
Bivalvia | |
Lucinoma acutilineata Conrad 1849 clam | |
Mya sp. Linnaeus 1758 softshell clam | |
Macoma optiva tellin clam
Macoma sp. Leach 1819 tellin clam | |
Acharax sp. Dall 1908 Awning Clam |