Where: Akita, Japan (40.0° N, 139.7° E: paleocoordinates 42.7° N, 137.1° E)

When: Nishikurosawa Formation, Miocene (23.0 - 5.3 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: N. Inuzuka, H. Sawamura, and H. Watabe. 2006. Paleoparadoxia and the Nishikurosawa specimen from Oga, Akita, northern Japan. Annual Report of the Akita Prefectural Museum 31:1-28 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 186479: authorized by Mark Uhen, entered by Mark Uhen on 22.06.2017

Creative Commons license: CC BY (attribution)