Where: Japan (34.7° N, 132.6° E: paleocoordinates 41.8° N, 127.6° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Lower Iojima Formation, Late/Upper Eocene (37.2 - 33.9 Ma)
• STRATIGRAPHIC RELATIONS: From Okinoshima Fm, which regionally overlies the Middle Eocene Hashima Fm, and underlying the Lower Iojima Fm (Late Eocene). THICKNESS: From formation that attains a thickness of ~380 m. AGE: Late Eocene, based on molluscan biostratigraphy. STRATIGRAPHIC POSITION: Composite list for formation in this local area.
• formation-level stratigraphic resolution
Environment/lithology: coastal; lithified sandstone
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 70921: authorized by Austin Hendy, entered by Austin Hendy on 11.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Pseudoperissolax yokoyamai murex snail | |
Bivalvia | |
Venericardia nagaoi, "Venericardia nipponica" = Venericardia (Venericor) nipponica
Venericardia nagaoi clam
"Venericardia nipponica" = Venericardia (Venericor) nipponica Yokoyama 1911 clam |