Where: Japan (33.9° N, 130.7° E: paleocoordinates 39.2° N, 127.2° E)

• coordinate estimated from map

When: Sakamizu Formation (Ashiya Group), Chattian (28.1 - 23.0 Ma)

Environment/lithology: marine; shale

Size class: macrofossils

Preservation: original phosphate

Primary reference: Y. Okazaki. 1988. Oligocene squalodont (Cetacea: Mammalia) from the Ashiya Group, Japan. Bulletin of the Kitakyusu Museum of Natural History 8:75-80 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51105: authorized by Mark Uhen, entered by Mark Uhen on 27.05.2005

Creative Commons license: CC BY (attribution)