IGPS Yt-5, middle stream of Okamami-sawa (Miocene of Japan)

Where: Japan (38.6° N, 140.6° E: paleocoordinates 41.1° N, 138.1° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Kaminohata Member (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; lithified sandstone

Size class: macrofossils

Collection methods: Repository: Institute of Geology and Paleontology, Tohoku University

Primary reference: R. Imaizumi. 1965. Miocene Macrocheira from Japan. Researches on Crustacea 2:27-36 [C. Schweitzer/L. Baltzly/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 169967: authorized by Carrie Schweitzer, entered by Lerin Baltzly on 07.06.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Macrocheiridae
Macrocheira ginzanensis n. sp. Imaizumi 1965 spider crab