Where: Japan (42.1° N, 139.5° E: paleocoordinates 46.3° N, 136.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tsurikake Formation, Early/Lower Miocene (23.0 - 16.0 Ma)

Environment/lithology: shallow subtidal; conglomerate and sandstone

Size classes: macrofossils, mesofossils, microfossils

Primary reference: S. Uozumi. 1966. Neogene Molluscan Fauna in Hokkaido : Part II. Description of the Okushiri Fauna Associated with Vicarya, from Okushiri Island, Southwest Hokkaido. Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy 13(2):139-164 [W. Kiessling/M. Krause/M. Krause]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 173044: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 08.09.2015

Creative Commons license: CC BY (attribution)