Where: Hokkaido, Japan (42.9° N, 143.9° E: paleocoordinates 43.0° N, 143.4° E)

• coordinate estimated from map

When: Shiranuka Formation, Late/Upper Pliocene (3.6 - 2.6 Ma)

• Neodenticula koizumi zone of Akiba (1985), 2.0-2.7 Ma

• formation-level stratigraphic resolution

Environment/lithology: coastal; lithology not reported

Size class: macrofossils

Primary reference: Y. Sasa and Y. Okazaki. 1967. Walrus fossils from the Pacific coast of Hokkaido. Commemorative Volume on 77th Anniversary of Prof. Ichiro Hayasaka 181-184 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 102043: authorized by Mark Uhen, entered by Mark Uhen on 07.01.2011

Creative Commons license: CC BY (attribution)