Where: Japan (32.8° N, 130.0° E: paleocoordinates 39.7° N, 125.2° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Saburaishi Member (Kirimiya Formation), Late/Upper Eocene (37.2 - 33.9 Ma)
• STRATIGRAPHIC RELATIONS: From Saburaishi Mbr of the Kirimiya Fm, which regionally overlies the Middle Eocene Keya Fm, and underlying the Nagayo Fm (Early Oligocene). THICKNESS: From member within formation that attains a thickness of ~100 m. AGE: Late Eocene, based on molluscan biostratigraphy. STRATIGRAPHIC POSITION: Composite list for member in the lower part of this local area.
• member-level stratigraphic resolution
Environment/lithology: coastal; lithified, sandy siltstone
Size class: macrofossils
Collection methods: surface (float),
• COLLECTOR: A. Mizuno (c. 1964). REPOSITORY: Not stated in text, unknown.
Primary reference: A. Mizuno. 1964. Paleogene and Early Neogene molluscan faunae in West Japan. Geological Survey of Japan Report 204 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 70923: authorized by Austin Hendy, entered by Austin Hendy on 11.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Saccella sp. Woodring 1925 pointed nut clam | |
"Venericardia ? mandaica" = Venericardia (Venericardia) mandaica
"Venericardia ? mandaica" = Venericardia (Venericardia) mandaica Yokoyama 1911 clam | |
Pitar kyushuensis venus clam | |
Periploma sp. Schumacher 1816 clam | |
Gastropoda | |
Turritella sp. Lamarck 1799 turret shell |