Where: Japan (37.3° N, 138.7° E: paleocoordinates 37.3° N, 138.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Upper Member (Uonuma Formation), Chibanian (0.8 - 0.1 Ma)

• Basal part of Middle Pleistocene

• 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. 1999. Late Pliocene to Early Pleistocene donaciine fossils from the Uonuma Formation in Higashikubiki hills, Niigata Prefecture, Japan, with description of a new species (Coleoptera: Chrysomelidae: Donaciinae). Bulletin of the Osaka Museum of Natural History 53:1-22 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 162755: authorized by Matthew Clapham, entered by Matthew Clapham on 04.10.2014

Creative Commons license: CC BY (attribution)