Where: Chiba, Japan (35.3° N, 140.1° E: paleocoordinates 36.0° N, 139.4° E)

• coordinate stated in text

When: Kokumoto Formation, Pliocene (5.3 - 2.6 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 204442: authorized by Mark Uhen, entered by Mark Uhen on 09.09.2019

Creative Commons license: CC BY (attribution)