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 130431: authorized by József Pálfy, entered by Adam Kocsis on 09.07.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Protozoa | |
|
Albaillellaria indet. Deflandre 1953 radiolarian | |
Follicucullus spp., Follicucullus monacanthus, Follicucullus japonicus, Follicucullus scholasticus, "Pseudoalbaillella spp." = Parafollicucullus
Follicucullus spp. Ormiston and Babcock 1979 radiolarian
Follicucullus monacanthus Ishiga and Imoto 1982 radiolarian
Follicucullus japonicus Ishiga 1991 radiolarian
Follicucullus scholasticus Ormiston and Babcock 1979 radiolarian
"Pseudoalbaillella spp." = Parafollicucullus Holdsworth and Jones 1980 radiolarian | |
Neoalbaillella spp., Neoalbaillella optima, Albaillella "excelsa-lauta Linage group", Albaillella spp., Albaillella aff. levis, Albaillella triangularis
Neoalbaillella spp. Takemura and Nakaseko 1981 radiolarian
Neoalbaillella optima Ishiga et al. 1982 radiolarian
Albaillella "excelsa-lauta Linage group" Deflandre 1952 radiolarian
Albaillella spp. Deflandre 1952 radiolarian
Albaillella aff. levis Ishiga et al. 1982 radiolarian
Albaillella triangularis Ishiga et al. 1982 radiolarian | |