Where: Nagano, Japan (36.7° N, 138.0° E: paleocoordinates 39.4° N, 135.4° E)

• coordinate based on political unit

When: Ogawa Formation, Miocene (23.0 - 5.3 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: S. Nisiyama. 1968. The echinoid fauna from Japan and adjacent regions, Part II. Paalaeontological Society of Japan Special Papers 13:1-480 [M. Uhen/B. Shipps/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 204457: authorized by Mark Uhen, entered by Mark Uhen on 09.09.2019

Creative Commons license: CC BY (attribution)