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 131597: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.07.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
? Dactyliodiscus rotundus n. sp.
? Dactyliodiscus rotundus n. sp. Hori 1999 radiolarian | |
Orbiculiforma sakaii Mizutani 1981 radiolarian
Orbiculiforma kanayamaensis Mizutani 1981 radiolarian | |
"Vallupus laxus" = Vallupus japonicus, Vallupus hopsoni
"Vallupus laxus" = Vallupus japonicus Kawabata 1988 radiolarian
Vallupus hopsoni Pessagno and Blome 1984 radiolarian | |
Hsuum arabicum Dumitrica 1997 radiolarian | |
Protunuma japonicus Matsuoka and Yao 1985 radiolarian | |
Thanarla brouweri, Archaeodictyomitra excellens, Archaeodictyomitra minoensis, Archaeodictyomitra apiarium
Thanarla brouweri Tan Sin Hok 1927 radiolarian
Archaeodictyomitra excellens Tan Sin Hok 1927 radiolarian
Archaeodictyomitra minoensis Mizutani 1981 radiolarian
Archaeodictyomitra apiarium Rüst 1885 radiolarian | |
Tethysetta dhimenaensis, Tethysetta boesii, Ristola cretacea, Mirifusus dianae, Wrangellium okamurai, "Tethysetta mashitaensis" = Parvicingula mashitaensis, Parvicingula robusta n. sp.
Tethysetta dhimenaensis radiolarian
Tethysetta boesii Parona 1890 radiolarian
Ristola cretacea Baumgartner 1980 radiolarian
Mirifusus dianae radiolarian
Wrangellium okamurai Mizutani 1981 radiolarian
"Tethysetta mashitaensis" = Parvicingula mashitaensis Mizutani 1981 radiolarian
Parvicingula robusta n. sp. Hori 1999 radiolarian | |
Podobursa typica radiolarian | |
Cinguloturris fusiforma Hori 1999 radiolarian
Cinguloturris cylindra Kemkin and Rudenko 1993 radiolarian
Cinguloturris carpatica Dumitrica and Mello 1982 radiolarian | |
Spongocapsula conica n. sp. Hori 1999 radiolarian
Spongocapsula perampla Rüst 1885 radiolarian
Spongocapsula ovum Hori 1999 radiolarian | |
Stichocapsa praepulchella n. sp. Hori 1999 radiolarian
Solenotryma ichikawai Matsuoka and Yao 1985 radiolarian | |
Xitus gifuensis Mizutani 1981 radiolarian
Xitus reticulatus Hori 1999 radiolarian | |
"Sethocapsa horokanaiensis" = Tetracapsa horokanaiensis
"Sethocapsa horokanaiensis" = Tetracapsa horokanaiensis Kawabata 1988 radiolarian | |
Pseudodictyomitra leptoconica Foreman 1973 radiolarian
Pseudodictyomitra carpatica Lozyniak 1969 radiolarian
Loopus primitivus Matsuoka and Yao 1985 radiolarian | |
Eucyrtidiellum ptyctum Riedel and Sanfilippo 1974 radiolarian
Eucyrtidiellum pyramis Aita 1986 radiolarian |