Where: Japan (36.1° N, 137.6° E: paleocoordinates 47.2° N, 147.3° E)

• coordinate stated in text

• hand sample-level geographic resolution

When: Parahsuum simplum assemblage zone other zone, Pliensbachian to Pliensbachian (190.8 - 182.0 Ma)

• –13.2 m below the top of NKI17 chert bed

•Interval data was entered using the zonation in Carter et al. 2010 and the notes in Gorican et al., 2006.

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert

Size class: microfossils

Primary reference: R. S. Hori and T. Otsuka. 1989. Early Jurassic Radiolarians from the Mt. Norikuradake Area, Mino Terrane, Central Japan. Journal of Geosciences, Osaka City University 32(6):175-199 [J. Pálfy/A. Kocsis]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124891: authorized by József Pálfy, entered by Adam Kocsis on 28.02.2012

Creative Commons license: CC BY (attribution)