Also known as IGPS loco no.-Ak.-l

Where: Akita, Japan (39.9° N, 139.9° E: paleocoordinates 40.6° N, 139.1° E)

• coordinate stated in text

When: Shibikawa 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 204465: authorized by Mark Uhen, entered by Mark Uhen on 09.09.2019

Creative Commons license: CC BY (attribution)