Kiuragi (Oligocene of Japan)

Where: Japan (33.3° N, 129.8° E: paleocoordinates 37.8° N, 126.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Kiuragi Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)

• STRATIGRAPHIC RELATIONS: Kiuragi Fm. AGE: Listed as lower Oligocene.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

• ENVIRONMENT: Not stated, but apparently shallow marine siliciclastic.
• SPECIFIC LITHOLOGY: Unknown. LITHIFICATION: Unknown.

Size class: macrofossils

Collection methods: surface (in situ),

• COLLECTOR: Unknown. REPOSITORY Unknown.

Primary reference: R. Majima. 1989. Cenozoic fossil Naticidae (Mollusca: Gastropoda) in Japan. Bulletins of American Paleontology 96(331):1-159 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 78399: authorized by Austin Hendy, entered by Austin Hendy on 05.02.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Only includes Naticidae. NOMENCLATURE: Authoritative publication, with taxa assigned to species resolution.
Gastropoda
 Architaenioglossa - Ampullinidae
"Pachycrommium" nagaoi Hatai and Nisiyama 1952 snail