Where: Japan (33.8° N, 134.3° E: paleocoordinates 40.9° N, 136.8° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Hinodani Formation, Tithonian (150.8 - 145.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified, ooidal, gray limestone

Size class: microfossils

Preservation: original silica

Collection methods: chemical, acetic, hydrochloric, sieve,

Primary reference: K. Sashida and H. Uematsu. 1996. Late Jurassic radiolarians from the Torinosu-type limestone embedded in the Early Cretaceous Hinodani Formation of the northern Shimanto Terrane, Shikoku, Japan. Science Reports of the Institute of Geoscience, University of Tsukuba. Section B : Geological Sciences 17:39-69 [W. Kiessling/M. Riess/M. Riess] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 53905: authorized by Wolfgang Kiessling, entered by Martin Riess on 16.09.2005