Where: Chiba, Japan (35.3° N, 140.1° E: paleocoordinates 36.0° N, 139.9° E)

• coordinate estimated from map

When: Sanuki Formation, Pliocene (5.3 - 2.6 Ma)

Environment/lithology: marine; mudstone

Size class: macrofossils

Preservation: original phosphate

Primary reference: H. Matsumoto. 1926. On some fossil cetaceans of Japan. Science Reports of the Tohoku Imperial University Second Series (Geology) 10(1):17-27 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 46044: authorized by Mark Uhen, entered by Mark Uhen on 22.12.2004

Creative Commons license: CC BY (attribution)