Where: Japan (35.4° N, 136.9° E: paleocoordinates 45.9° N, 145.7° E)

• coordinate estimated from map

• hand sample-level geographic resolution

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

• 20 cm below base of white massive chert bed; in OAE level. (by Gorican et al., 2006)

•

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 124796: authorized by József Pálfy, entered by Adam Kocsis on 24.02.2012

Creative Commons license: CC BY (attribution)