Northern Hokkaido, Wakkanai Formation (Miocene of Japan)

Where: Hokkaido, Japan (45.3° N, 141.8° E: paleocoordinates 45.6° N, 140.6° E)

• coordinate estimated from map

When: Wakkanai Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

Environment/lithology: marine

Primary reference: M. Murakami, C. Shimada, and Y. Hikida. 2007. Some delphinoids (Mammalia: Cetacea) from the upper Miocene through the upper Pliocene of Hokkaido, Northern Japan. Journal of Vertebrate Paleontology 27(3):122A [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 75487: authorized by Mark Uhen, entered by Mark Uhen on 11.10.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cetacea -
Delphinida indet. Muizon 1984 toothed whale
 Cetacea - Phocoenidae
"Phocaenidae indet." = Phocoenidae
"Phocaenidae indet." = Phocoenidae Gray 1825 porpoise