Where: Japan (36.8° N, 140.3° E: paleocoordinates 44.4° N, 143.1° E)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Late/Upper Tithonian (150.8 - 145.5 Ma)

• SGM (sandstone-gray mudstone) unit

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: microfossils

Primary reference: N. Hori. 1999. Latest Jurassic radiolarians from the northeastern part of the Torinoko Block, Yamizo Mountains, central Japan. Science Reports of the Institute of Geoscience University of Tsukuba, Section B: Geological Sciences 20:47-114 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 131592: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.07.2012