Where: Japan (35.4° N, 136.9° E: paleocoordinates 47.5° N, 146.4° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Pantanellium tanuense zone, Early/Lower Hettangian (201.3 - 196.5 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified chert and lithified shale
Size class: microfossils
Preservation: original silica
Collection methods: chemical, hydroflouric,
Primary reference: R. Hori. 1992. Radiolarian Biostratigraphy at the Triassic/Jurassic Period Boundary in Bedded Cherts from the Inuyama Area, Central Japan. Journal of Geosciences, Osaka City University 35(4):53-65 [J. Pálfy/A. Kocsis]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 54234: authorized by Wolfgang Kiessling, entered by Martin Riess on 27.09.2005, edited by Adam Kocsis
Creative Commons license: CC BY (attribution)
Taxonomic list
| Protozoa | |
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Parahsuum sp. Yao 1982 radiolarian | |
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Syringocapsa coliforme Hori 1988 radiolarian | |
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Bipedis yaoi Gorican et al. 2006 radiolarian originally mentioned as Bipedis sp. B; valid name from Gorican et al. 2006
Bipedis japonicus Gorican et al. 2006 radiolarian originally mentioned as Bipedis sp. A; valid name from Gorican et al. 2006
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Charlottea sp. Carter et al. 1998 radiolarian
Xenorum "sp. A" Blome 1984 radiolarian | |
|
? Crucella sp. Pessagno 1971 radiolarian
Udalia sp. Carter et al. 1998 radiolarian | |
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Pantanellium cf. kluense Pessagno and Blome 1980 radiolarian
Gorgansium aff. gongyloideum radiolarian | |