Where: Japan (43.0° N, 144.1° E: paleocoordinates 43.8° N, 142.2° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Kamicharo Formation, Early/Lower Miocene (23.0 - 16.0 Ma)

• STRATIGRAPHIC RELATIONS: From Kamicharo Fm of the Atsunai Gp, which overlies the Nuibetsu Fm of the Ombetsu Gp (Late Oligocene) and is overlain by the Atsunai Fm of the Atsunai Gp (Middle Miocene). THICKNESS: ~50 m thick. AGE: Early Miocene. STRATIGRAPHIC POSITION: Composite checklist for formation.

• formation-level stratigraphic resolution

Environment/lithology: coastal; lithified siltstone and lithified sandstone

Size class: macrofossils

Collection methods: COLLECTOR: Presumably Y. Honda (c. 1984) and Suni and Yamaguchi (c. 1969). REPOSITORY: Uknown repository.

Primary reference: Y. Honda. 1989. Paleogene molluscan faunas from the Kushiro Coal Field, Eastern Hokkaido. Tohoku University, Science Report, 2nd series 60(1):1-137 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 70596: authorized by Austin Hendy, entered by Austin Hendy on 29.03.2007

Creative Commons license: CC BY (attribution)