Where: Japan (45.3° N, 141.0° E: paleocoordinates 46.1° N, 139.1° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Motochi Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
• STRATIGRAPHIC RELATIONS: From Motochi Fm, which unconformably overlies the Cretaceous Rebun Gp and is unconformably overlain by the Hamanaka Fm (?Middle Miocene); approximately correlative to the Meshikuni Fm. THICKNESS: Unknown thickness of unit. AGE: Early Miocene on the basis of molluscan biostratigraphy. STRATIGRAPHIC POSITION: From unknown part of Meshikuni Fm.
• bed-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, pebbly, green 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 70358: authorized by Austin Hendy, entered by Austin Hendy on 21.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Neptunea sp. Röding 1798 true whelk | |
Bivalvia | |
Clinocardium shinjiensis cockle |