Where: Nagano, Japan (36.5° N, 138.0° E: paleocoordinates 38.7° N, 135.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ogawa Formation, Miocene to Miocene (23.0 - 2.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: tuff

Size class: macrofossils

Preservation: original carbon

Primary reference: K. Ozaki. 1991. Late Miocene and Pliocene Floras in Central Honshu, Japan. Bulletin of Kanagawa Prefectural Museam Natural Science Special Issue 1-244 [H. Sims/H. Lindon/H. Lindon] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 22787: authorized by Hallie Sims, entered by Heather Lindon on 26.06.2002