Where: Japan (35.7° N, 136.6° E: paleocoordinates 32.3° N, 112.7° E)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Neoalbaillella ornithoformis other zone, Hashikadani Formation, Changhsingian (254.2 - 252.2 Ma)
• Main Unit
Environment/lithology: basinal (siliceous); lithified, gray chert
Size class: microfossils
Primary reference: H. Sano, K. Kuwahara, A. Yao and S. Agematsu. 2012. Stratigraphy and age of the Permian-Triassic boundary siliceous rocks of the Mino terrane in the Mt. Funabuseyama area, central Japan. Paleontological Research 16(2):124-145 [J. Pálfy/A. Kocsis]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 153286: authorized by József Pálfy, entered by Adam Kocsis on 09.12.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
| Protozoa | |
|
Tetraspongodiscus spp. Kozur and Mostler 1979 radiolarian | |
|
Neoalbaillella optima Ishiga et al. 1982 radiolarian
Albaillella angusta Kuwahara 1999 radiolarian
Albaillella excelsa Ishiga et al. 1982 radiolarian | |
|
Paracopicyntra spp. Feng et al. 2006 radiolarian
Paracopicyntra akikawaensis Sashida and Tonishi 1988 radiolarian
Stigmosphaerostylus spp. Rüst 1892 radiolarian | |
Triplanospongos spp., Cauletella spp., Pseudotormentus spp., Ishigaum cf. klaengensis, Ishigaum trifustis
Triplanospongos spp. Sashida and Tonishi 1988 radiolarian
Cauletella spp. Caridroit et al. 1999 radiolarian
Pseudotormentus spp. De Wever and Caridroit 1984 radiolarian
Ishigaum cf. klaengensis Sashida 2000 radiolarian
Ishigaum trifustis De Wever and Caridroit 1984 radiolarian | |
|
Latentifistula spp. Nazarov and Ormiston 1983 radiolarian | |
|
Ormistonella robusta De Wever and Caridroit 1984 radiolarian
"Raciditor gracilis" = Quadricaulis radiolarian
"Raciditor scalae" = Quadricaulis radiolarian | |