Where: Japan (35.7° N, 136.8° E: paleocoordinates 29.2° N, 112.4° E)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Neoalbaillella optima and N. ornithoformis Assemblage Zones of Ishiga (1986) zone, Wuchiapingian to Wuchiapingian (259.9 - 252.2 Ma)
• upper Wuchiapingian-Changhsingian
Environment/lithology: basinal (siliceous); lithified chert
Size class: microfossils
Primary reference: K. Kuwahara. 1997. Evolutionary patterns of Late Permian Albaillella (Radiolaria) as seen in bedded chert sections in the Mino Belt, Japan. Marine Micropaleontology 30:65-78 [J. Pálfy/A. Kocsis]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 130457: authorized by József Pálfy, entered by Adam Kocsis on 09.07.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Protozoa | |
Albaillella bipartitus, Albaillella aff. levis, Neoalbaillella spp., Neoalbaillella ornithoformis, Neoalbaillella grypus, Neoalbaillella optima, Neoalbaillella gracilis
Albaillella bipartitus radiolarian
Albaillella aff. levis Ishiga et al. 1982 radiolarian
Neoalbaillella spp. Takemura and Nakaseko 1981 radiolarian
Neoalbaillella ornithoformis Takemura and Nakaseko 1981 radiolarian
Neoalbaillella grypus Ishiga et al. 1982 radiolarian
Neoalbaillella optima Ishiga et al. 1982 radiolarian
Neoalbaillella gracilis Takemura and Nakaseko 1981 radiolarian | |
"Pseudoalbaillella spp." = Parafollicucullus, Follicucullus spp., Follicucullus charveti, Follicucullus monacanthus, Follicucullus japonicus, Follicucullus scholasticus
"Pseudoalbaillella spp." = Parafollicucullus Holdsworth and Jones 1980 radiolarian
Follicucullus spp. Ormiston and Babcock 1979 radiolarian
Follicucullus charveti Caridroit and De Wever 1984 radiolarian
Follicucullus monacanthus Ishiga and Imoto 1982 radiolarian
Follicucullus japonicus Ishiga 1991 radiolarian
Follicucullus scholasticus Ormiston and Babcock 1979 radiolarian | |