Where: Japan (38.6° N, 140.5° E: paleocoordinates 41.1° N, 138.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ginzan Formation, Serravallian (13.8 - 11.6 Ma)

• Formation is upper Middle Miocene, according to Kurihara (2010).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

Size class: macrofossils

Collection methods: Repository: Institute of Geology and Palaeontology, Tohoku University, Sendai (IGPS)

Primary reference: K. Hatai. 1948. New Tertiary Brachiopoda from Japan. Journal of Paleontology 22:494-499 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 233101: authorized by Matthew Clapham, entered by Matthew Clapham on 13.01.2024

Creative Commons license: CC BY (attribution)