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 131590: 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, Pseudoeucyrtis reticularis, Pseudoeucyrtis cylindrata, Solenotryma ichikawai
Stichocapsa praepulchella Hori 1999 radiolarian
Pseudoeucyrtis reticularis Matsuoka and Yao 1985 radiolarian
Pseudoeucyrtis cylindrata Hori 1999 radiolarian
Solenotryma ichikawai Matsuoka and Yao 1985 radiolarian | |
|
Pseudodictyomitra carpatica Lozyniak 1969 radiolarian
Pseudodictyomitra leptoconica Foreman 1973 radiolarian
Loopus primitivus Matsuoka and Yao 1985 radiolarian | |
|
Podobursa typica radiolarian | |
|
Spongocapsula "sp. A" Pessagno 1977 radiolarian
Spongocapsula perampla Rüst 1885 radiolarian | |
Tethysetta dhimenaensis, Tethysetta boesii, Wrangellium okamurai, Mirifusus dianae, Parvicingula robusta, "Tethysetta mashitaensis" = Parvicingula mashitaensis, Parvicingula citae
Tethysetta dhimenaensis radiolarian
Tethysetta boesii Parona 1890 radiolarian
Wrangellium okamurai Mizutani 1981 radiolarian
Mirifusus dianae radiolarian
Parvicingula robusta Hori 1999 radiolarian
"Tethysetta mashitaensis" = Parvicingula mashitaensis Mizutani 1981 radiolarian
Parvicingula citae Pessagno 1977 radiolarian | |
|
Cinguloturris cylindra Kemkin and Rudenko 1993 radiolarian
Cinguloturris carpatica Dumitrica and Mello 1982 radiolarian
Cinguloturris fusiforma Hori 1999 radiolarian | |
|
Zhamoidellum ovum Dumitrica 1970 radiolarian
Williriedellum crystallinum Dumitrica 1970 radiolarian | |
|
Protunuma japonicus Matsuoka and Yao 1985 radiolarian | |
Thanarla brouweri, Archaeodictyomitra minoensis, Archaeodictyomitra apiarium, Archaeodictyomitra excellens
Thanarla brouweri Tan Sin Hok 1927 radiolarian
Archaeodictyomitra minoensis Mizutani 1981 radiolarian
Archaeodictyomitra apiarium Rüst 1885 radiolarian
Archaeodictyomitra excellens Tan Sin Hok 1927 radiolarian | |
|
Hsuum arabicum Dumitrica 1997 radiolarian | |
|
Eucyrtidiellum ptyctum Riedel and Sanfilippo 1974 radiolarian
Eucyrtidiellum pyramis Aita 1986 radiolarian | |
|
Acanthocircus suboblongus Yao 1972 radiolarian | |
|
Deviatus diamphidius Foreman 1973 radiolarian | |
"Vallupus laxus" = Vallupus japonicus, Vallupus hopsoni
"Vallupus laxus" = Vallupus japonicus Kawabata 1988 radiolarian
Vallupus hopsoni Pessagno and Blome 1984 radiolarian | |
|
? Dactyliodiscus rotundus Hori 1999 radiolarian | |
|
Acastea diaphorogona Foreman 1973 radiolarian | |
|
Orbiculiforma kanayamaensis Mizutani 1981 radiolarian | |
|
Archaeospongoprunum imlayi Pessagno 1977 radiolarian | |