Where: Japan (35.4° N, 137.0° E: paleocoordinates 45.9° N, 145.7° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Parahsuum simplum assemblage zone zone, Early/Lower Toarcian (183.0 - 182.0 Ma)

• 5 cm below base of thick green shale bed.

•

•The standard level of this section is located at the base of a thick green shale bed just below IYII 14 (6m below the top of the IY section).

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert

Size class: microfossils

Primary reference: M. Takeuchi. 2001. Morphologic study of multicyrtid Nassellaria (Radiolaria) from the Lower Jurassic bedded cherts in the Inuyama Area, Mino Terrane, Central Japan. News of Osaka Micropaleontologists, Special Volume 12:181-189 [J. Pálfy/A. Kocsis]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124803: authorized by József Pálfy, entered by Adam Kocsis on 24.02.2012

Creative Commons license: CC BY (attribution)