Where: Japan (33.1° N, 130.5° E: paleocoordinates 40.4° N, 124.3° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Miike Formation, Middle Eocene (47.8 - 37.7 Ma)
• STRATIGRAPHIC RELATIONS: From Komenoyama Fm, which conformably overlies the Ginsui Fm (Middle Eocene), and is conformably overlain by the Toka Fm (Middle Eocene). THICKNESS: From bed within formation of group that attains a thickness of ~50 m. AGE: Middle Eocene, based on molluscan biostratigraphy. STRATIGRAPHIC POSITION: From unknown part of formation.
• group of beds-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 71019: authorized by Austin Hendy, entered by Austin Hendy on 14.04.2007, edited by Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Nerita subgranulose snail | |
Turritella okadai Nagao 1928 turret shell
Colpospira okadai turret shell | |
Faunus miikensis snail | |
"Polinices eocenica" = Neverita eocenica
"Polinices eocenica" = Neverita eocenica Nagao 1928 moon snail | |
"Orthaulax" japonicus Nagao 1924 snail | |
Bivalvia | |
Barbatia sp. Gray 1842 clam | |
Vepricardium miikense cockle
Cardium miikense n. sp. Nagao 1928 cockle |