Where: Japan (44.2° N, 141.9° E: paleocoordinates 46.5° N, 138.2° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Sakasagawa Formation, Late/Upper Eocene (37.2 - 33.9 Ma)

Environment/lithology: deep subtidal; lithology not reported

Size class: macrofossils

Primary reference: K. Hryniewicz, K. Amano, R. G. Jenkins and S. Kiel. 2017. Thyasirid bivalves from Cretaceous and Paleogene cold seeps. Acta Palaeontologica Polonica 62(4):705-728 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191321: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 23.01.2018

Creative Commons license: CC BY (attribution)