Also known as Numata-cho

Where: Hokkaido, Japan (43.8° N, 141.9° E: paleocoordinates 44.0° N, 141.3° E)

• coordinate stated in text

When: Horokaoshirarika Formation (Fukagawa Group), Zanclean (5.3 - 3.6 Ma)

Environment/lithology: marine; gray, blue sandstone and tuff

Size class: macrofossils

Preservation: original phosphate

Collection methods: quarrying, surface (in situ),

Primary reference: H. Ichishima and M. Kimura. 2000. A new fossil porpoise (Cetacea; Delphinoidea; Phocoenidae) from the early Pliocene Horokaoshirarika Formation, Hokkaido, Japan. Journal of Vertebrate Paleontology 20(3):561-576 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45803: authorized by Mark Uhen, entered by Mark Uhen on 03.12.2004

Creative Commons license: CC BY (attribution)