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)
• Middle Unit
Environment/lithology: basinal (siliceous); lithified, black chert and lithified, gray claystone
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 153179: authorized by József Pálfy, entered by Adam Kocsis on 09.12.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
| Polycystina | |
|
Triplanospongos sp. Sashida and Tonishi 1988 | |
|
Latentifistula spp. Nazarov and Ormiston 1983 | |
|
Albaillella spp. Deflandre 1952 | |
Hegleria cf. mammilla, Paracopicyntra akikawaensis, Paracopicyntra cf. ziyunensis, Stigmosphaerostylus spp.
Hegleria cf. mammilla Sheng and Wang 1985
Paracopicyntra akikawaensis Sashida and Tonishi 1988
Paracopicyntra cf. ziyunensis Feng and Gu 2002
Stigmosphaerostylus spp. Rüst 1892 | |
|
? Pseudospongoprunum spp. Wakamatsu et al. 1990 | |
|
Tetraspongodiscus spp. Kozur and Mostler 1979 | |
|
Copiellintra spp. Nazarov and Ormiston 1985 | |
|
? Tetrapaurinella spp. Kozur and Mostler 1994 | |