Where: Gunma, Japan (36.3° N, 138.5° E: paleocoordinates 37.6° N, 136.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Itahana Formation (Tomioka Group), Tortonian to Tortonian (11.6 - 5.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; sandstone

Size class: macrofossils

Collection methods: surface (in situ),

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 21224: authorized by Hallie Sims, entered by Heather Lindon on 21.06.2002

Creative Commons license: CC BY (attribution)