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 - 145.0 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 131591: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.07.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
Xitus gifuensis Mizutani 1981 radiolarian | |
Stichocapsa praepulchella Hori 1999 radiolarian | |
Pseudodictyomitra carpatica Lozyniak 1969 radiolarian
Loopus primitivus Matsuoka and Yao 1985 radiolarian | |
Tethysetta dhimenaensis, Wrangellium okamurai, "Tethysetta mashitaensis" = Parvicingula mashitaensis
Tethysetta dhimenaensis radiolarian
Wrangellium okamurai Mizutani 1981 radiolarian
"Tethysetta mashitaensis" = Parvicingula mashitaensis Mizutani 1981 radiolarian | |
Cinguloturris carpatica Dumitrica and Mello 1982 radiolarian
Cinguloturris fusiforma Hori 1999 radiolarian | |
Zhamoidellum ovum Dumitrica 1970 radiolarian
Williriedellum carpathicum Dumitrica 1970 radiolarian
Williriedellum crystallinum Dumitrica 1970 radiolarian | |
Archaeodictyomitra minoensis Mizutani 1981 radiolarian
Archaeodictyomitra apiarium RĂ¼st 1885 radiolarian | |
Eucyrtidiellum pyramis Aita 1986 radiolarian | |
Vallupus hopsoni Pessagno and Blome 1984 radiolarian | |
? Dactyliodiscus rotundus Hori 1999 radiolarian |