Sample NF-195-61-2, Section NF-195B, Inuyama, Mino Terrane (Permian of Japan)

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

• gray to dark 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
 Spumellaria - Relindellidae
Tetraspongodiscus spp. Kozur and Mostler 1979 radiolarian
 Entactinaria - Entactiniidae
Hegleria spp. Nazarov and Ormiston 1985 radiolarian
Questionable occurrence
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
 Latentifistularia - Cauletellidae
Triplanospongos musashiensis Sashida and Tonishi 1988 radiolarian
Ishigaum spp. De Wever and Caridroit 1984 radiolarian
Ishigaum trifustis De Wever and Caridroit 1984 radiolarian
 Latentifistularia - Latentifistulidae
Latentifistula spp. Nazarov and Ormiston 1983 radiolarian
 Latentifistularia - Ormistonellidae
 Albaillellaria - Albaillellidae
Neoalbaillella optima Ishiga et al. 1982 radiolarian
Albaillella triangularis Ishiga et al. 1982 radiolarian