Where: Japan (38.8° N, 141.5° E)

• Paleocoordinates: 4.9° N, 138.8° E (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Osawa Formation, Spathian (248.1 - 246.7 Ma)

• Columbites parisianus subzone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Department of Geology, Kaguwa University

Primary reference: Y. Bando and S. Shimoyama. 1974. Late Scythian ammonoids from the Kitakami Massif. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 94:293-312 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186963: authorized by Matthew Clapham, entered by Matthew Clapham on 08.07.2017

Creative Commons license: CC0 (CC0)