Where: Japan (34.0° N, 131.1° E: paleocoordinates 42.7° N, 114.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Nakatsuka Formation (Mine Group), Julian (235.0 - 232.0 Ma)

• Presence of Trachyceras cf. desatoyense indicates an early Carnian age

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Preservation: adpression

Collection methods: Repository: Mine City Museum of History and Foklore, Omine, Mine, Yamaguchi, Japan

Primary reference: H. Karasawa, F. Takahashi, E. Doi and H. Ishida. 2003. First record of Coleia Broderip (Crustacea, Decapoda, Coleiidae) from the Upper Triassic of Japan. Contributions to Zoology 72:153-155 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138321: authorized by Matthew Clapham, entered by Matthew Clapham on 13.01.2013

Creative Commons license: CC BY (attribution)