Where: Japan (37.1° N, 138.8° E: paleocoordinates 37.4° N, 138.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Uonuma Formation, Gelasian (2.6 - 1.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified sandstone

Size class: macrofossils

Preservation: adpression

Collection methods: Repository: Osaka Museum of Natural History

Primary reference: M. Hayashi. 2000. Late Pliocene to Early Pleistocene donaciine fossils from the Uonuma Formation (part II): a new Donacia from the Uonuma hills in Niigata Prefecture, Japan (Coleoptera: Chrysomelidae: Donaciinae). Bulletin of the Osaka Museum of Natural History 54:31-48 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 162788: authorized by Matthew Clapham, entered by Matthew Clapham on 05.10.2014

Creative Commons license: CC BY (attribution)