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 optima 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 153235: 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 | |
Hegleria spp., Copicyntra spp., Stigmosphaerostylus spp., Stigmosphaerostylus itsukaichiensis, Paracopicyntra spp., Paracopicyntra akikawaensis
Copicyntra spp. Nazarov and Ormiston 1985 radiolarian
Stigmosphaerostylus spp. Rüst 1892 radiolarian
Stigmosphaerostylus itsukaichiensis Sashida and Tonishi 1985 radiolarian
Paracopicyntra spp. Feng et al. 2006 radiolarian
Paracopicyntra akikawaensis Sashida and Tonishi 1988 radiolarian | |
Triplanospongos musashiensis Sashida and Tonishi 1988 radiolarian
Ishigaum spp. De Wever and Caridroit 1984 radiolarian
Ishigaum trifustis De Wever and Caridroit 1984 radiolarian | |
Latentifistula spp. Nazarov and Ormiston 1983 radiolarian | |
Ormistonella adherens radiolarian | |
Neoalbaillella optima Ishiga et al. 1982 radiolarian
Albaillella triangularis Ishiga et al. 1982 radiolarian |